ASTM D4798-00

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瀝青材料(氙弧法)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)試方法規(guī)定了根據(jù)G151和G155瀝青屋面和防水材料的做法進(jìn)行氙燈曝露測(cè)試的測(cè)試條件和程序。

*小軟化點(diǎn)大約95℃(200°F)的瀝青屋面材料是通過(guò)測(cè)試方法D36確定。(另請(qǐng)參閱術(shù)語(yǔ)摹113。)

kingjo氙燈試驗(yàn)箱ASTM D4798-00測(cè)試方法

ASTM D4798英文簡(jiǎn)介

1. Scope

1.1 This test method covers test conditions and procedures for xenon-arc exposures according to Practice G151 and G155 for bituminous roofing and waterproofing materials having a minimum softening point of approximately 95°C (200°F) as determined by Test Method D36.(Also see Terminology G113.)

1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

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 se Laboratory Light Sources

G155 Practice for Operating Xenon Arc Light Apparatus for Exposure of Non-Metallic Materials