GB/T 19250-2013 PDF English
US$115.00 · In stock · Download in 9 secondsGB/T 19250-2013: Polyurethane waterproofing coating Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedureStatus: Valid GB/T 19250: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 19250-2013 | English | 115 |
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Polyurethane waterproofing coating
| Valid |
| GB/T 19250-2003 | English | 479 |
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Polyurethane waterproofing coating
| Obsolete |
Excerpted PDFs (Download full copy in 9 seconds upon purchase)PDF Preview: GB/T 19250-2013
GB/T 19250-2013: Polyurethane waterproofing coating---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/GBT19250-2013
GB
ICS 91.120.30
Q 17
NATIONAL STANDARD
Replacing GB/T 19250-2003
Polyurethane waterproofing coating
Issued on. NOVEMBER 27, 2013
Implemented on. AUGUST 01, 2014
Issued by.
General Administration of Quality Supervision, Inspection
and Quarantine of the People’s Republic of China;
Standardization Administration of the People’s Republic of
China
Table of Contents
Foreword... 3
1 Scope... 6
2 Normative references... 6
3 Classification... 7
4 General requirements... 7
5 Technical requirements... 7
6 Test method... 10
7 Inspection rules... 17
8 Marking, packaging, transportation and storage... 19
Annex A (Informative) Application field of the product... 20
1 Scope
This Standard specifies the classification, general requirements, technical requirements,
test methods, inspection rules, marks, packaging, transportation and storage for
polyurethane waterproof coating (hereinafter referred to as PU waterproof coating).
This Standard is applicable to polyurethane waterproof coating used for engineering
waterproof.
2 Normative references
The articles contained in the following documents have become part of this Standard
when they are quoted herein. For the dated documents so quoted, all the modifications
(including all corrections) or revisions made thereafter shall be applicable to this Standard.
GB/T 528 Rubber, vulcanized or thermoplastic - Determination of tensile stress-strain
performances
GB/T 529-2008 Rubber vulcanized or thermoplastic - Determination of tear strength
(Trouser, angle and crescent test pieces)
GB/T 531.1-2008 Rubber vulcanized or thermoplastic - Determination of indentation
hardness - Part 1.Duromerer method (Shore hardness)
GB/T 1768-2006 Method of test for abrasion resistance of paint films
GB/T 8626-2007 Test method of flammability for building materials
GB/T 16777-2008 Test methods for building waterproofing coatings
GB/T 18244-2000 Test methods for resistance to weathering pf building water
proofing materials
3 Classification
3.1 Classification
3.1.1 The products can be divided into 2 classifications according to the components,
namely, single-component (S) and multi-component (M).
3.1.2 The products can be divided into type I, type II, and type III according to their
basic performances (see Annex A).
3.1.3 The products can be divided into exposed (E) and non-exposed (N) according to
whether they are used in exposure.
3.2 Marking
Marking shall be made in sequence of the product name, composition, basic performance,
whether it is exposed, harmful substance limits, and standard number.
Examples.
4 General requirements
The production and application of the products shall not bring harmful influence on human
body, biology and the environment.
5 Technical requirements
5.1 Appearance
Products are uniformly viscous, without gel or agglomerate.
5.2 Physical and mechanical performances
5.2.2 Optional performances
The optional performances of polyurethane waterproof coating shall comply with the
provisions of the Table 2.And they shall be chosen by the supplier and purchaser
according to the product application engineering or environmental conditions.
6 Test method
6.1 Standard test condition
Standard test condition is. Temperature of 23°C±2°C, and the relative humidity of
(50±10) %.
6.2 Test equipment
6.2.7 Impervious instrument. Pressure is 0 MPa - 0.4 MPa, the precision is 2.5 class,
with 3 seven-hole permeable plates, and the inner diameter is 92 mm.
6.2.8 Thickness gauge. The interface diameter is 6 mm, pressure is 0.02 MPa per unit
area, and the dividing value is 0.01 mm.
6.2.9 Semiconductor thermometer. Range is - 40°C - 30°C, Precision is 0.1°C.
6.2.10 Elongation maintaining instrument. It can make the distance between the
specimen’s markings to stretch more than 100%.
6.2.11 Xenon arc lamp aging test box. Xenon arc lamp aging test case which meets the
requirements of GB/T 18244-2000.
6.3 Test specimen preparation
6.3.1 Before specimen preparation, samples and test instruments shall be placed
under standard test condition for at least 24 h.
6.3.2 WEIGH the required sample amount. It shall ensure that the final coating
thickness is 1.5 mm ± 0.2 mm.
6.9 Tensile performance
PRTFORM the test according to Chapter 9 of GB/T 16777-2008.The tensile rate shall be
500 mm/min ± 50 mm/min.
6.10 Tear strength
TEST according to the rectangular shape specimen in GB/T 529-2008.It shall be no
cut-mouth and the stretching rate is 500 mm/min ± 50 mm/min. TEST 5 specimens. TAKE
the average of the 5 specimens as the test result.
6.11 Low temperature bending
TEST according to Chapter 14 of GB/T 16777-2008.
6.12 Imperviousness
TEST according to chapter 15 of GB/T 16777-2008, with the metal mesh aperture of 0.5
mm ± 0.1 mm.
7 Inspection rules
7.1 Inspection classification
The inspection is classified into ex-factory inspection and type inspection.
7.1.1 Ex-factory inspection
Ex-factory inspection items include. Appearance, solid content, surface drying time, hard
drying time, tensile strength, breaking elongation, tearing strength, leveling performance
and bending at low temperature, and waterproofness.
7.2 Batch grouping
As for the same type, TAKE 15t as a batch. Those less than 15t can be taken as a batch
(multi-component products shall be grouped in batch according to the components).
7.3 Sampling
In each batch of products, randomly SELECT 2 groups of samples, with 1 group for
inspection and the other for standby and storage. Each group is at least 5 kg
(multi-component products shall be extracted according to the ratio). The product shall be
stirred well before sampling. If spraying and coating method is adopted, the sample
quantity of extraction shall be according to the needs.
7.4 Judgment rules
7.4.1 Single judgment
7.4.1.3 Harmful substance limits
JUDGE it according to the product marking, and class A or class B of Table 3.If it
conforms to the corresponding categories, it shall be qualified.
7.4.2 General judgment
If the appearance, basic performances, optional performances selected according to
Table 2, and harmful substance limits meet the requirements of the standard, this batch of
products shall be judged as qualified.
8 Marking, packaging, transportation and storage
8.1 Marking
The external packing of the products shall include.
8.2 Packaging
Products are sealed in iron drums with covers. Multi-component products are packed
separately according to the composition. Packaging of different components shall be
differentiated obviously.
8.3 Storage and transportation
In storage and transportation, products of different classifications shall be stacked
respectively. AVOID sunlight, rain, combustion source and collision. KEEP well ventilated.
Storage temperature is between 5°C and 40°C.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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