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GB/T 21782.11-2010: Coating powders -- Part 11: Inclined-plane flow test
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 21782.11-2010 | English | 114 |
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Coating powders -- Part 11: Inclined-plane flow test
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GB/T 21782.11-2010
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Basic data | Standard ID | GB/T 21782.11-2010 (GB/T21782.11-2010) | | Description (Translated English) | Coating powders -- Part 11: Inclined-plane flow test | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G50 | | Classification of International Standard | 87.040 | | Word Count Estimation | 6,632 | | Date of Issue | 2010-09-26 | | Date of Implementation | 2011-08-01 | | Quoted Standard | GB/T 21782.2-2008; GB/T 21782.3-2008; GB/T 21782.9-2010; ISO 8130-6-1992 | | Adopted Standard | ISO 8130-11-1997, IDT | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 6 of 2010 (total 161) | | 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 provides a thermosetting powder coating with a fixed angle down along the inclined plate melt flow Determination of flow characteristics, this section are provided in test results show that the powder coating during curing degree of melt flow, melt flow characteristics which directly affect the coating adhesion, appearance and coating coverage of the edges of the corners, this test method can be an effective way to check a particular batch of powder coating properties and the degree of change between batches, the test is not desired powder coating composition can provide different measurement results of the relationship between, for at the test temperature, measured according to ISO 8130-6: 1992 required cushion gel time of the powder coating is less than 1 min, the present method does not provide meaningful results, | GB/T 21782.11-2010: Coating powders -- Part 11: Inclined-plane flow test---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Coating powders Part 11. Inclined-plane flow test
ICS 87.040
G50
National Standards of People's Republic of China
Powder Coatings
Part 11. Determination of flow inclined plate
(ISO 8130-11.1997, IDT)
Issued on. 2010-09-26
2011-08-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 21782 "powder coating" is composed of 14 parts, the structure and corresponding international standards are as follows.
--- Part 1. Determination of particle size distribution by sieving (ISO 8130-1.1992, IDT);
--- Part 2. Comparison of the proportion of instrument gas density determination (ISO 8130-2.1992, IDT);
--- Part 3. Determination of liquid displacement pycnometer density (ISO 8130-3.1992, IDT);
--- Part 4. lower explosion limit calculations (ISO 8130-4.1992, IDT);
--- Part 5. Powder air mixture flow measurement (ISO 8130-5.1992, IDT);
--- Part 6. Determination (eqv ISO 8130-6.1992) at a given temperature thermosetting powder coating of gel time;
--- Part 7. Determination (ISO 8130-7.1992, IDT) mass loss during baking;
--- Part 8. Evaluation of the storage stability of thermosetting powders (ISO 8130-8.1994, IDT);
--- Part 9. Sampling (ISO 8130-9.1992, IDT);
--- Part 10. Determination of deposition efficiency (ISO 8130-10.1998, IDT);
--- Part 11. Determination of flow inclined plate (ISO 8130-11.1997, IDT);
--- Part 12. Determination of compatibility (ISO 8130-12.1998, IDT);
--- Part 13. Laser diffraction particle size analysis (ISO 8130-13.2001, IDT);
--- Part 14. Terminology (ISO 8130-14.2004, IDT).
This is Part 11 GB/T 21782 of.
1997 "powder coating Part 11 Determination of flow inclined plate" (English. This section uses the translation method identical with ISO 8130-11
Chinese Version), formatted according to GB/T 1.1-2000 write.
For ease of use of ISO 8130-11.1997 in this section do major editorial changes as follows.
--- With "this Part" instead of "ISO 8130 part of this";
--- Delete international standards foreword.
This part is proposed by the China Petroleum and Chemical Industry Association.
This part of the National Standardization Technical Committee and the pigment coating (SAC/TC5) centralized.
This section was drafted by. People's Republic of China Guangdong Entry-CNOOC Changzhou coating Chemical Research Institute.
The main drafters of this section. Lee Jun, Chen Wenjie, Yueda Lei, Liu Sheng, Zhao Ling, Yang Pei, Chengu Feng, Zheng Jianguo.
Powder Coatings
Part 11. Determination of flow inclined plate
1 Scope
This section GB/T 21782 specifies the thermosetting powder coating when measured at a fixed angle along the inclined plate flow characteristics of the melt flow down
Setting Method.
The test results provided in this section indicates that the extent of the powder coating during cure melt flows. Such melt flow characteristics, direct
Affect the coating adhesion, appearance and extent of coverage of the coating angular edges.
This test method can be used as an effective way to check the extent of a particular coating powder characteristics vary between batches and batches. this
Test does not expect to provide different powder coating composition measured the relationship between the results.
For at the test temperature, according to ISO 8130-6.1992 specified below measured by the gel time of the powder coating 1min, the present method does not
To provide meaningful results.
2 Normative references
The following documents contain provisions which, through reference GB/T 21782 in this section constitute provisions of this section. For dated reference documents
Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section
Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this
section.
GB/T 21782.2-2008 powder coatings - Part 2. Determination of the density of gas specific gravity meter comparative method (ISO 8130-2.1992,
IDT)
GB/T 21782.3-2008 powder coatings - Part 3. Determination of liquid displacement pycnometer density (ISO 8130-3.1992,
IDT)
GB/T 21782.9-2010 powder coatings - Part 9. Sampling (ISO 8130-9.1992, IDT)
ISO 8130-6.1992 powder coatings - Part 6. Determination of thermosetting powder coatings at a given temperature to the gel time
Principle 3
The thermosetting powder paint and compressed into tablets in a standard-size cylindrical mold. Under certain conditions of temperature and compressed into tablets powder coated
After the inclined plate material heating and melting, flow along the inclined surface, the flow length was measured.
4 Instrument
4.1 Hot air circulation oven. to maintain a stable temperature, the maximum temperature up to 250 ℃, circulating fan can be turned on and off as needed.
4.2 glass. the right size, can be applied to this test.
Note. Float glass photographic plate is suitable.
You can also choose a metal plate used for the test. However, the need for strict regulations composition of the metal plate and its surface finish. Plates should be strong enough
To ensure that the testing process does not appear bent or deformed. Specific details of the metal plate should be included in the test report (Chapter 9).
4.3 pallet. Use appropriate metal plate and can be placed in the oven (4.1). The device should be placed one or more of the plate (4.2),
With a joystick device may be placed in a metal plate from a horizontal position to a tilt angle of 65 ° ± 1 ° position.
4.4 Balance. Precision 10mg.
4.5 for the cylindrical die machine. connection with a rod, can be obtained having a diameter of 12.5mm ± 0.05mm, thickness of 6.5mm ±
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