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ASTM D4799標(biāo)準(zhǔn)介紹

ASTM D4799-00簡(jiǎn)介

瀝青材料(熒光紫外線、噴淋及冷凝法)加速老化測(cè)試條件和測(cè)試程序的標(biāo)準(zhǔn)測(cè)試方法：

本測(cè)試方法描述了根據(jù)G151和G154瀝青屋面和防水材料(低軟化點(diǎn)約95°) 的做法進(jìn)行熒光紫外線和冷凝曝露測(cè)試的測(cè)試條件和程序。

ASTM D4799-00英文簡(jiǎn)介
1. Scope

1.1 This test method covers the test conditions and procedures that are applicable when Practice G53 is employed for the exposure of bituminous roofing and waterproofing materials having a minimum softening point of approximately 200°F (95°C) as determined by Test Method D36.

1.2 The values stated in inch-pound units are to be regarded as the standard.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

2. Referenced Documents

ASTM Standards

D36 Test Method for Softening Point of Bitumen (Ring-and-Ball Apparatus)

D1669 Practice for Preparation of Test Panels for Accelerated and Outdoor Weathering of Bituminous Coatings

D1670 Test Method for Failure End Point in Accelerated and Outdoor Weathering of Bituminous Materials

G113 Terminology Relating to Natural and Artificial Weathering Tests of Nonmetallic Materials

G141 Guide for Addressing Variability in Exposure Testing of Nonmetallic Materials

G147 Practice for Conditioning and Handling of Nonmetallic Materials for Natural and Artificial Weathering Tests

G151 Practice for Exposing Nonmetallic Materials in Accelerated Test Devices that Use Laboratory Light Sources

G154 Practice for Operating Fluorescent Light Apparatus for UV Exposure of Nonmetallic Materials

▼ASTM D4799第三方檢測(cè)機(jī)構(gòu)

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