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GB/T 13893-2008: Paints and varnishes -- Determination of resistance to humidity -- Continuous condensation
Status: Valid GB/T 13893: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 13893-2008 | English | 134 |
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Paints and varnishes -- Determination of resistance to humidity -- Continuous condensation
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GB/T 13893-2008
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| GB/T 13893-1992 | English | 199 |
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Paints and varnishes. Determination of resistance to humidity (continuous condensation)
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GB/T 13893-1992
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PDF similar to GB/T 13893-2008
Basic data | Standard ID | GB/T 13893-2008 (GB/T13893-2008) | | Description (Translated English) | Paints and varnishes -- Determination of resistance to humidity -- Continuous condensation | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G50 | | Classification of International Standard | 87.040 | | Word Count Estimation | 7,744 | | Date of Issue | 2008-06-04 | | Date of Implementation | 2008-12-01 | | Older Standard (superseded by this standard) | GB/T 13893-1992 | | Quoted Standard | GB/T 3186; GB/T 6682; GB/T 9271; GB/T 9278; GB/T 13452.2; GB/T 20777; ISO 4628-1; ISO 4628-2; ISO 4628-3; ISO 4628-4; ISO 4628-5 | | Adopted Standard | ISO 6270-1-1998, IDT | | Regulation (derived from) | Announcement of Newly Approved National Standards 2008 No. 9 (No. 122 overall) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies an assessment of coating, coating systems and similar products in a continuous high- humidity environment condensation, moisture resistance measurement method. This standard applies to coating substrates including porous substrates and non- porous substrates such. This method indicates a kind of exposure in harsh conditions may occur in a continuous coating surface condensation performance tests. This test method can reveal the failure of the coating and substrate damage phenomenon. | GB/T 13893-2008: Paints and varnishes -- Determination of resistance to humidity -- Continuous condensation
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Paints and varnishes. Determination of resistnace to humidity. Continuous condensation
ICS 87.040
G50
National Standards of People's Republic of China
GB/T 13893-2008/ISO 6270-1.1998
Replacing GB/T 13893-1992
Paints and varnishes - Determination of moisture resistance
Continuous condensation
(ISO 6270-1.1998, Paintsandvarnishes-Determinationof
resistancetohumidity-Part 1. Continuouscondensation, IDT)
Posted 2008-06-04
2008-12-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard is identical with ISO 6270-1.1998 "Paints and varnishes --- --- Determination of moisture resistance - Part 1. Continuous condensation"
(In English).
This standard replaces GB/T 13893-1992 "Paints and varnishes - Determination of resistance to humidity (continuous condensation)."
For ease of use, the ISO 6270-1.1998 made the following editorial changes.
--- The standard deleted international standards foreword.
The previous version of Standard GB/T 13893-1992 main technical differences are as follows.
--- Front line version is equivalent to using ISO 6270. 1980;
--- The angle between the horizontal plane by a test panel (15 ± 5) ° to (60 ± 5) °;
--- Cancel the temperature control, test plate 25mm below the space temperature (37 ± 2) ℃ to (38 ± 2) ℃, 38 ℃ if too low,
It may also be 49 ℃ or 60 ℃;
--- Moisture resistance of the coating according to GB 1740 evaluation by the rating method in the model according to ISO 4628 and to check the rating;
--- Increasing the template inspection time should not exceed 30min;
--- Increases carried out in 9278 in line with GB standard conditions specified in the conditioning of at least 16h;
--- Increased the use of two sets of test panels were tested and evaluated;
--- Added Appendix A.
Appendix A of this standard is a normative appendix.
The standard proposed by China Petroleum and Chemical Industry Association.
This standard by the National Standardization Technical Committee paint pigment (SAC/TC5) centralized.
This standard was drafted. Shanghai Institute of paint.
The main drafters of this standard. Qian Jun, Zhang Han Lun, high Huan said, when Haifeng.
This standard was first published in 1992.
GB/T 13893-2008/ISO 6270-1.1998
Paints and varnishes - Determination of moisture resistance
Continuous condensation
1 Scope
In accordance with the requirements of this standard coating or product specification assess a film, coating systems and similar products in continuous condensation of humidity
Degree environment, moisture resistance measurement method.
This standard applies to coating substrates include porous substrates (such as wood, gypsum and gypsum board) and non-porous substrates (such as metal) and the like.
This method indicates an under severe exposure conditions may occur in a continuous coating surface condensation performance tests.
This test method can reveal the failure of the coating (including blistering, staining, softening, wrinkling and embrittlement) and the phenomenon of substrate damage.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 3186 Paints, varnishes and raw materials for paints and varnishes - Sampling (GB/T 3186-2006, ISO 15528.2000, IDT)
GB/T 6682 Water Analysis Laboratory specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD)
GB/T 9271 Paints and varnishes - Standard panels for (GB/T 9271-2008, ISO 1514.2004, MOD)
GB/T 9278 paint sample conditioning and testing temperature and humidity (GB/T 9278-2008, ISO 3270. 1984, IDT)
GB/T 13452.2 Paints and varnishes - Determination of film thickness (GB/T 13452.2-2008, ISO 2808.2007, IDT)
GB/T 20777 Paints and varnishes examination and preparation of samples (GB/T 20777-2006, ISO 1513.1992, IDT)
ISO 4628-1 Paints and varnishes - Evaluation of aging film --- --- general extent of the damage type, number and size of the assessment ---
Part 1. General and ranking table
ISO 4628-2 Paints and varnishes - Evaluation of aging film --- --- general extent of the damage type, number and size of the assessment ---
Part 2. Evaluation of gassing
ISO 4628-3 Paints and varnishes - Evaluation of aging film --- --- general extent of the damage type, number and size of the assessment ---
Part 3. Rusty level assessment
ISO 4628-4 Paints and varnishes - Evaluation of aging film --- --- general extent of the damage type, number and size of the assessment ---
Part 4. Evaluation of cracking grade
ISO 4628-5 Paints and varnishes - Evaluation of aging film --- --- general extent of the damage type, number and size of the assessment ---
Part 5. Evaluation of off grade
Principle 3
Painted test panels for continuous condensate exposure test, the test results by the parties concerned on the basis of pre-agreed evaluated. These basis
Usually subjective.
4 requires supplementary information
For any particular application, the test methods specified in this standard needs to be improved with additional information. Supplementary information
Projects listed in Appendix A.
GB/T 13893-2008/ISO 6270-1.1998
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