JC/T 908-2013 PDF English
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JC/T 908-2013: Artificial stone---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/JCT908-2013
JC
INDUSTRY STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 91.100.20
Q 21
Record No.. 40954-2013
Replacing JC 908-2002
Artificial stone
ISSUE ON. APRIL 25, 2013
Implemented on. SEPTEMBER 1, 2013
Issued by. Ministry of Industry and Information Technology of the
People's Republic of China
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative references... 5
3 Terms and definitions... 6
4 Product classification, specification, dimension, grade and mark... 7
5 Materials... 10
6 Requirements... 11
7 Test methods... 21
8 Inspection rules... 27
9 Marking, packaging, transport and storage... 29
Annex A (Normative) Method for testing Mohs hardness... 31
Annex B (Normative) Method for testing deformation under load... 33
Annex C (Normative) Method for testing abrasion resistance... 35
Annex D (Normative) Method for testing coefficient of linear thermal expansion
... 43
Annex E (Normative) Method for testing contamination resistance... 45
Annex F (Normative) Method for testing chemical resistance... 47
Annex G (Normative) Method for testing high temperature resistance... 49
1 Scope
This standard specifies the terms and definitions, product classification,
specification and dimension, grade and mark, materials, requirements, test
methods, inspection rules, packaging, marking, transport and storage of
artificial stone (including artificial stone-solid surface materials, artificial stone-
agglomerated quartz, artificial stone-agglomerated marble, etc.).
This standard is applicable to table tops, walls, floors, ceiling materials,
decorative surface materials and marked lines that use artificial stone-solid
surface materials, artificial stone-agglomerated quartz and artificial stone-
agglomerated marble; It may refer to this standard for artificial stones of other
types and for other purposes as well as their products (such as wash basins
and bathtubs).
2 Normative references
The following referenced documents are indispensable for the application of
this document. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any
amendments) applies.
GB 178 Standard sand for cement strength test
GB/T 2828.1 Sampling procedures for inspection by attributes - Part 1.
Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot
inspection
GB/T 2406.2 Plastics - Determination of burning behaviour by oxygen index -
Part 2.Ambient-temperature test
GB/T 2479 Conventional abrasive - White fused alumina
GB/T 2567 Test methods for properties of resin casting body
GB/T 3810.3 Test method of ceramic tiles - Part 3.Determination of water
absorption, apparent porosity, apparent relative density and bulk density
GB/T 3810.4 Test methods of ceramic tiles - Part 4.Determination of modulus
of rupture and breaking strength
GB/T 3854 Test method for hardness of reinforced plastics by means of a Barcol
impresser
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
artificial stone
The material that is made by mixing, coagulating and curing processes, etc.
with high molecular polymer or cement or mixture of both as adhesive material
and natural stone crushed (powder) material and/or natural quartzite (sand,
powder) or aluminum hydroxide powder as main raw materials, and with
pigment and other additives added, which mainly includes artificial stone-solid
surface materials, artificial stone-agglomerated quartz and artificial stone-
agglomerated marble.
3.2
artificial stone-solid surface materials (solid surface materials)
The artificial stone that is formed by casting or vacuum molding or compression
molding, with methyl methacrylate (MMA; commonly known as acrylic) or
unsaturated polyester resin (UPR) as the matrix and aluminum hydroxide
mainly as filling material, and with pigments and other adhesive materials
added, whose scientific name is mineral-filled polymer composite which is
referred to as solid surface material for short.
Note. the composite material is non-porous and homogeneous. the composition
throughout the whole thickness is uniform; they may be made into a continuous
surface where seams are difficult to detect, with the surface of products capable
of being restored by maintenance and renovation.
4 Product classification, specification, dimension, grade and mark
4.1 Classification
Products are classified into three types by main raw materials.
4.2 Specification and dimension
4.2.1 Artificial stone-solid surface materials
The plate is classified by side length (length × width) × thickness into three
standard types of specifications and dimensions (in millimeters).
4.2.2 Agglomerated quartz
The common specifications and dimensions for rectangular products are
specified in Table 1; other specifications and dimensions shall be agreed by the
supplier and the demander.
4.2.3 Agglomerated marble
The common specifications and dimensions for rectangular products are
specified in Table 2; other specifications and dimensions shall be agreed by the
supplier and the demander.
4.3 Grade
4.3.1 Solid surface materials
The products are classified into Excellent Grade A and Qualified Grade B
according to Barcol hardness and falling ball impact.
4.4 Mark
4.4.1 Solid surface materials
The solid surface materials shall be marked in the order of product Chinese
name, English abbreviation of matrix resin, specification and dimension code,
nominal thickness, grade and this standard number.
Example. Type I Grade A solid surface material meeting the requirements of
this standard, with polymethyl methacrylate as matrix and a thickness of 12.0
mm shall be marked as.
4.4.3 Agglomerated marble
The agglomerated marble shall be marked in the order of product Chinese
name, English abbreviation of matrix resin, specification and dimension, grade
code and this standard number.
5 Materials
5.1 Filling material or pigment
The filling material or pigment used for artificial stone shall be suitable materials
meeting the performance requirements as specified in this standard.
5.2 Resin
5.2.3 Agglomerated marble resin
The unsaturated polyester resin and/or thermoplastic polymer used for artificial
stone shall be suitable materials meeting the performance requirements
specified in this standard.
6 Requirements
See Table 3 for specific requirements for solid surface materials, agglomerated
quartz and agglomerated marble.
6.1.1.3 Flatness
6.1.1.3.1 Types I and III. no greater than 0.5mm;
6.1.1.4 Edge non-straightness
Edge non-straightness of plate edge shall be not greater than 1.5mm/m.
6.1.2 Agglomerated quartz
6.1.2.1 Specification and dimension deviation
See Table 4 for the specification and dimension deviation.
6.1.3.4 Edge non-straightness
For products with side length less than 1.2 m, the edge non-straightness shall
be not greater than 1.5 mm/m; for products with side length greater than or
equal to 1.2 m, the edge non-straightness shall be agreed by the supplier and
the demander.
6.2 Appearance quality
6.2.1 Solid surface materials
The appearance quality of plate shall meet those specified in Table 10.
6.2.2 Agglomerated quartz
6.2.2.1 The products from the same batch shall have basically harmonized
color tones and basically consistent patterns and free from any obvious color
difference.
6.2.2.2 The appearance defects on the front of the plate shall meet those
specified in Table 11.
6.8 Bending performance
6.8.1 Solid surface materials
For solid surface materials, the bending strength shall not be less than 40 Mpa;
and the bending elastic modulus shall not be less than 6.5 GPa.
6.9 Compressive strength
The compressive strength of agglomerated quartz shall not be less than
150mpa; and that of agglomerated marble shall be greater than 80 MPa.
6.10 Abrasion resistance
6.10.1 Solid surface materials
The abrasion resistance of solid surface materials shall not be greater than 0.6g.
6.10.2 Agglomerated quartz
The abrasion resistance of agglomerated quartz shall not be greater than 300
mm3.
6.11 Coefficient of linear thermal expansion
6.15 Contamination resistance
6.15.1 Solid surface materials
For the specimen of solid surface materials, the total value for contamination
resistance shall not exceed 64; and the maximum stain depth shall not exceed
0.12mm.
6.15.2 Agglomerated quartz
Where the agglomerated quartz is used as table top material, the total value for
contamination resistance shall not exceed 64; and the maximum stain depth
shall not exceed 0.12mm. Where it is not used as table top material, the
contamination resistance requirements shall be agreed between the supplier
and the purchaser.
6.16 Combustion resistance
7 Test methods
7.1 Dimensional deviation
7.1.1 Specification and dimension deviation
The length and width of solid surface materials and agglomerated marble plates
shall be measured using a steel flat ruler with an accuracy of 0.1mm or a
measuring tool that meets the accuracy requirements; and the four sides of the
plate as well as the midpoint of each side shall be measured.
7.1.2 Diagonal deviation
Measure the lengths of the two diagonals on the front of the same plate using
a steel flat ruler with an accuracy of 1 mm or a measuring tool that meet the
accuracy requirements; and calculate their difference.
7.1.4 Flatness
Place the specimen on a standard plane; place the edge of a 1m steel flat ruler
on the frontal plane of the plate; then measure the maximum gap between the
edge of the steel flat ruler and that of the plate using a feeler gauge with an
accuracy of 0.01 mm.
7.2 Appearance quality
7.2.1 Place the specimen horizontally in the environment with the illuminance
of 800 lx~900 lx; observe it at an angle of 45°~75° from the horizontal plane
from a distance of 750 mm~900 mm (for solid surface materials) or 1,350
mm~1,500 mm (for agglomerated quartz and agglomerated marble).
7.3 Barcol hardness
The Barcol hardness of solid surface materials shall be tested according to
those specified in GB/T 3854.
7.4 Mohs hardness
The Mohs hardness of agglomerated quartz and agglomerated marble shall be
tested according to those specified in Annex A.
7.5 Load deformation and impact toughness
7.7.2 Agglomerated quartz
The falling ball impact test for agglomerated quartz used as table top material
shall be performed according to those specified in 7.7.1.
For that used for walls and floors, the specimen shall have a dimension of
300mm×300mm. Level the specimen with the standard sand conforming to
those specified in GB 178 for a thickness of not less than 10cm; drop a 225g
solid steel ball freely from a certain drop height to impact the central part of the
specimen; then observe whether the specimen is damaged.
7.9 Compressive strength
Cut agglomerated quartz or agglomerated marble specimen into blocks of 50
mm×50 mm in dimension; laminate these blocks and glue them into test blocks
with a thickness up to or slightly higher than 50mm with resin adhesive. The
thickness of the adhesive shall be as thin as possible. After the adhesive is
completely cured, apply a load to the specimen at a constant speed of 2
mm/min along the direction perpendicular to the bonding surface according to
the method specified in GB/T 9966.1 until it is broken. Record the maximum
load; divide the maximum load by the compression area to obtain the
compressive strength.
8 Inspection rules
8.1 Type of inspection
Product inspection is classified into exit-factory inspection and type inspection
by types.
8.2 Exit-factory inspection
8.2.1 Inspection items
8.2.3 Judgment rules
8.2.3.1 Sampling inspection can only be carried out when all the items
subjected to full inspection are qualified. if there are no more than 5 unqualified
products, they can be replaced with qualified products before sampling
inspection; if there are more than 5 unqualified products, this batch of products
shall be judged as unacceptable.
8.3 Type inspection
8.3.1 Inspection items
They shall include all those specified in clause 6.
8.3.2 Inspection conditions
Under any of the following conditions, type inspection shall be conducted.
8.3.3 Batching and sampling
Products of the same formula, specification, process parameters and grade
shall be deemed as a batch.
8.3.4 Judgment rules
If all inspection results of a single product meet the corresponding grade
specified in the requirements, then it is determined that the products meet the
criteria of this grade.
9 Marking, packaging, transport and storage
9.1 Marking
Each artificial stone product shall be marked with the following information.
product mark, manufacturer’s name and/or trademark, mark of conformity,
production date or batch number.
Each package shall be marked with the following information. manufacturer’s
name, address, production date or batch number, product mark, and
specifications and quantities of different products.
9.3 Transport
During transport, the artificial stone products shall be protected from being
thrown away, hit, sun and rain; the packages shall be kept intact.
JC/T 908-2013
JC
INDUSTRY STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 91.100.20
Q 21
Record No.. 40954-2013
Replacing JC 908-2002
Artificial stone
ISSUE ON. APRIL 25, 2013
Implemented on. SEPTEMBER 1, 2013
Issued by. Ministry of Industry and Information Technology of the
People's Republic of China
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative references... 5
3 Terms and definitions... 6
4 Product classification, specification, dimension, grade and mark... 7
5 Materials... 10
6 Requirements... 11
7 Test methods... 21
8 Inspection rules... 27
9 Marking, packaging, transport and storage... 29
Annex A (Normative) Method for testing Mohs hardness... 31
Annex B (Normative) Method for testing deformation under load... 33
Annex C (Normative) Method for testing abrasion resistance... 35
Annex D (Normative) Method for testing coefficient of linear thermal expansion
... 43
Annex E (Normative) Method for testing contamination resistance... 45
Annex F (Normative) Method for testing chemical resistance... 47
Annex G (Normative) Method for testing high temperature resistance... 49
1 Scope
This standard specifies the terms and definitions, product classification,
specification and dimension, grade and mark, materials, requirements, test
methods, inspection rules, packaging, marking, transport and storage of
artificial stone (including artificial stone-solid surface materials, artificial stone-
agglomerated quartz, artificial stone-agglomerated marble, etc.).
This standard is applicable to table tops, walls, floors, ceiling materials,
decorative surface materials and marked lines that use artificial stone-solid
surface materials, artificial stone-agglomerated quartz and artificial stone-
agglomerated marble; It may refer to this standard for artificial stones of other
types and for other purposes as well as their products (such as wash basins
and bathtubs).
2 Normative references
The following referenced documents are indispensable for the application of
this document. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any
amendments) applies.
GB 178 Standard sand for cement strength test
GB/T 2828.1 Sampling procedures for inspection by attributes - Part 1.
Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot
inspection
GB/T 2406.2 Plastics - Determination of burning behaviour by oxygen index -
Part 2.Ambient-temperature test
GB/T 2479 Conventional abrasive - White fused alumina
GB/T 2567 Test methods for properties of resin casting body
GB/T 3810.3 Test method of ceramic tiles - Part 3.Determination of water
absorption, apparent porosity, apparent relative density and bulk density
GB/T 3810.4 Test methods of ceramic tiles - Part 4.Determination of modulus
of rupture and breaking strength
GB/T 3854 Test method for hardness of reinforced plastics by means of a Barcol
impresser
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
artificial stone
The material that is made by mixing, coagulating and curing processes, etc.
with high molecular polymer or cement or mixture of both as adhesive material
and natural stone crushed (powder) material and/or natural quartzite (sand,
powder) or aluminum hydroxide powder as main raw materials, and with
pigment and other additives added, which mainly includes artificial stone-solid
surface materials, artificial stone-agglomerated quartz and artificial stone-
agglomerated marble.
3.2
artificial stone-solid surface materials (solid surface materials)
The artificial stone that is formed by casting or vacuum molding or compression
molding, with methyl methacrylate (MMA; commonly known as acrylic) or
unsaturated polyester resin (UPR) as the matrix and aluminum hydroxide
mainly as filling material, and with pigments and other adhesive materials
added, whose scientific name is mineral-filled polymer composite which is
referred to as solid surface material for short.
Note. the composite material is non-porous and homogeneous. the composition
throughout the whole thickness is uniform; they may be made into a continuous
surface where seams are difficult to detect, with the surface of products capable
of being restored by maintenance and renovation.
4 Product classification, specification, dimension, grade and mark
4.1 Classification
Products are classified into three types by main raw materials.
4.2 Specification and dimension
4.2.1 Artificial stone-solid surface materials
The plate is classified by side length (length × width) × thickness into three
standard types of specifications and dimensions (in millimeters).
4.2.2 Agglomerated quartz
The common specifications and dimensions for rectangular products are
specified in Table 1; other specifications and dimensions shall be agreed by the
supplier and the demander.
4.2.3 Agglomerated marble
The common specifications and dimensions for rectangular products are
specified in Table 2; other specifications and dimensions shall be agreed by the
supplier and the demander.
4.3 Grade
4.3.1 Solid surface materials
The products are classified into Excellent Grade A and Qualified Grade B
according to Barcol hardness and falling ball impact.
4.4 Mark
4.4.1 Solid surface materials
The solid surface materials shall be marked in the order of product Chinese
name, English abbreviation of matrix resin, specification and dimension code,
nominal thickness, grade and this standard number.
Example. Type I Grade A solid surface material meeting the requirements of
this standard, with polymethyl methacrylate as matrix and a thickness of 12.0
mm shall be marked as.
4.4.3 Agglomerated marble
The agglomerated marble shall be marked in the order of product Chinese
name, English abbreviation of matrix resin, specification and dimension, grade
code and this standard number.
5 Materials
5.1 Filling material or pigment
The filling material or pigment used for artificial stone shall be suitable materials
meeting the performance requirements as specified in this standard.
5.2 Resin
5.2.3 Agglomerated marble resin
The unsaturated polyester resin and/or thermoplastic polymer used for artificial
stone shall be suitable materials meeting the performance requirements
specified in this standard.
6 Requirements
See Table 3 for specific requirements for solid surface materials, agglomerated
quartz and agglomerated marble.
6.1.1.3 Flatness
6.1.1.3.1 Types I and III. no greater than 0.5mm;
6.1.1.4 Edge non-straightness
Edge non-straightness of plate edge shall be not greater than 1.5mm/m.
6.1.2 Agglomerated quartz
6.1.2.1 Specification and dimension deviation
See Table 4 for the specification and dimension deviation.
6.1.3.4 Edge non-straightness
For products with side length less than 1.2 m, the edge non-straightness shall
be not greater than 1.5 mm/m; for products with side length greater than or
equal to 1.2 m, the edge non-straightness shall be agreed by the supplier and
the demander.
6.2 Appearance quality
6.2.1 Solid surface materials
The appearance quality of plate shall meet those specified in Table 10.
6.2.2 Agglomerated quartz
6.2.2.1 The products from the same batch shall have basically harmonized
color tones and basically consistent patterns and free from any obvious color
difference.
6.2.2.2 The appearance defects on the front of the plate shall meet those
specified in Table 11.
6.8 Bending performance
6.8.1 Solid surface materials
For solid surface materials, the bending strength shall not be less than 40 Mpa;
and the bending elastic modulus shall not be less than 6.5 GPa.
6.9 Compressive strength
The compressive strength of agglomerated quartz shall not be less than
150mpa; and that of agglomerated marble shall be greater than 80 MPa.
6.10 Abrasion resistance
6.10.1 Solid surface materials
The abrasion resistance of solid surface materials shall not be greater than 0.6g.
6.10.2 Agglomerated quartz
The abrasion resistance of agglomerated quartz shall not be greater than 300
mm3.
6.11 Coefficient of linear thermal expansion
6.15 Contamination resistance
6.15.1 Solid surface materials
For the specimen of solid surface materials, the total value for contamination
resistance shall not exceed 64; and the maximum stain depth shall not exceed
0.12mm.
6.15.2 Agglomerated quartz
Where the agglomerated quartz is used as table top material, the total value for
contamination resistance shall not exceed 64; and the maximum stain depth
shall not exceed 0.12mm. Where it is not used as table top material, the
contamination resistance requirements shall be agreed between the supplier
and the purchaser.
6.16 Combustion resistance
7 Test methods
7.1 Dimensional deviation
7.1.1 Specification and dimension deviation
The length and width of solid surface materials and agglomerated marble plates
shall be measured using a steel flat ruler with an accuracy of 0.1mm or a
measuring tool that meets the accuracy requirements; and the four sides of the
plate as well as the midpoint of each side shall be measured.
7.1.2 Diagonal deviation
Measure the lengths of the two diagonals on the front of the same plate using
a steel flat ruler with an accuracy of 1 mm or a measuring tool that meet the
accuracy requirements; and calculate their difference.
7.1.4 Flatness
Place the specimen on a standard plane; place the edge of a 1m steel flat ruler
on the frontal plane of the plate; then measure the maximum gap between the
edge of the steel flat ruler and that of the plate using a feeler gauge with an
accuracy of 0.01 mm.
7.2 Appearance quality
7.2.1 Place the specimen horizontally in the environment with the illuminance
of 800 lx~900 lx; observe it at an angle of 45°~75° from the horizontal plane
from a distance of 750 mm~900 mm (for solid surface materials) or 1,350
mm~1,500 mm (for agglomerated quartz and agglomerated marble).
7.3 Barcol hardness
The Barcol hardness of solid surface materials shall be tested according to
those specified in GB/T 3854.
7.4 Mohs hardness
The Mohs hardness of agglomerated quartz and agglomerated marble shall be
tested according to those specified in Annex A.
7.5 Load deformation and impact toughness
7.7.2 Agglomerated quartz
The falling ball impact test for agglomerated quartz used as table top material
shall be performed according to those specified in 7.7.1.
For that used for walls and floors, the specimen shall have a dimension of
300mm×300mm. Level the specimen with the standard sand conforming to
those specified in GB 178 for a thickness of not less than 10cm; drop a 225g
solid steel ball freely from a certain drop height to impact the central part of the
specimen; then observe whether the specimen is damaged.
7.9 Compressive strength
Cut agglomerated quartz or agglomerated marble specimen into blocks of 50
mm×50 mm in dimension; laminate these blocks and glue them into test blocks
with a thickness up to or slightly higher than 50mm with resin adhesive. The
thickness of the adhesive shall be as thin as possible. After the adhesive is
completely cured, apply a load to the specimen at a constant speed of 2
mm/min along the direction perpendicular to the bonding surface according to
the method specified in GB/T 9966.1 until it is broken. Record the maximum
load; divide the maximum load by the compression area to obtain the
compressive strength.
8 Inspection rules
8.1 Type of inspection
Product inspection is classified into exit-factory inspection and type inspection
by types.
8.2 Exit-factory inspection
8.2.1 Inspection items
8.2.3 Judgment rules
8.2.3.1 Sampling inspection can only be carried out when all the items
subjected to full inspection are qualified. if there are no more than 5 unqualified
products, they can be replaced with qualified products before sampling
inspection; if there are more than 5 unqualified products, this batch of products
shall be judged as unacceptable.
8.3 Type inspection
8.3.1 Inspection items
They shall include all those specified in clause 6.
8.3.2 Inspection conditions
Under any of the following conditions, type inspection shall be conducted.
8.3.3 Batching and sampling
Products of the same formula, specification, process parameters and grade
shall be deemed as a batch.
8.3.4 Judgment rules
If all inspection results of a single product meet the corresponding grade
specified in the requirements, then it is determined that the products meet the
criteria of this grade.
9 Marking, packaging, transport and storage
9.1 Marking
Each artificial stone product shall be marked with the following information.
product mark, manufacturer’s name and/or trademark, mark of conformity,
production date or batch number.
Each package shall be marked with the following information. manufacturer’s
name, address, production date or batch number, product mark, and
specifications and quantities of different products.
9.3 Transport
During transport, the artificial stone products shall be protected from being
thrown away, hit, sun and rain; the packages shall be kept intact.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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