亚洲中文久久精品无码WW16,亚洲国产精品久久久久爰色欲,人人妻人人澡人人爽欧美一区九九,亚洲码欧美码一区二区三区

本頁面標準信息均來源于網(wǎng)絡(luò)收集，或由參與標準制定的供應(yīng)商提供，只作為參考使用，為確保測試結(jié)果的準確性、節(jié)省您的時間，如需ASTM D4798-00標準詳細信息或ASTM D4798-00具體測試方法，歡迎與我們技術(shù)人員聯(lián)系或給我們留言，我們將為您相關(guān)的技術(shù)支持。

ASTM D4798-00標準介紹

瀝青材料(氙弧法)加速老化測試條件和測試程序的標準測試方法：

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

小軟化點大約95℃(200°F)的瀝青屋面材料是通過測試方法D36確定。(另請參閱術(shù)語摹113。)

Q-SUN氙燈試驗箱ASTM D4798-00測試方法

ASTM D4798英文簡介

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 Use Laboratory Light Sources

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

▼ASTM D4798-00第三方檢測機構(gòu)

以上標準信息來自互聯(lián)網(wǎng)搜索整理，如需了解完整的ASTM D4798-00的信息或ASTM D4798-00標準解讀，歡迎詳詢。