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

| 注冊(cè)| 產(chǎn)品展廳| 收藏該商鋪

行業(yè)產(chǎn)品

當(dāng)前位置:
廣東宏展科技有限公司>>技術(shù)文章>>ASTM D2247-15測試標(biāo)準(zhǔn)

產(chǎn)品分類品牌分類

更多分類

ASTM D2247-15測試標(biāo)準(zhǔn)

閱讀:2992        發(fā)布時(shí)間:2018-7-23

本頁面標(biāo)準(zhǔn)信息均來源于網(wǎng)絡(luò)收集,或由參與標(biāo)準(zhǔn)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(zhǔn)確性、節(jié)省您的時(shí)間,如需ASTM D2247-15標(biāo)準(zhǔn)詳細(xì)信息或ASTM D2247-15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 D2247-15標(biāo)準(zhǔn)介紹

ASTM D2247-15標(biāo)準(zhǔn)簡介


1. Scope

1.1 This practice covers the basic principles and operating procedures for testing water resistance of coatings by exposing coated specimens in an atmosphere maintained at 100 % relative humidity so that condensation forms on all surfaces of test specimens.

1.2 This practice uses the technique of creating a slight temperature differential within the exposure area to form condensation on the coated specimens. As the warmer saturated air passes the cooler specimens, water is deposited onto the specimens in the form of condensation.

1.3 This practice places the entire specimen in the exposure area allowing condensation to form on all surfaces. This makes this practice suitable for flat panels as well as large or 3D objects. This practice differs from other methods where condensation is only formed on the front coating surface, while the back surface is outside the exposure area. Other tests may also deposit water droplets on the surface but where the source is not from condensation (for example, water spray).

Note 1: Alternative practices for testing the water resistance of coatings include Practices D870, D1735, and D4585.

1.4 This practice is limited to the methods of obtaining, measuring, and controlling the conditions and procedures of tests conducted in 100 % relative humidity. It does not specify specimen preparation, or evaluation of results.

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

1.6 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

D609 Practice for Preparation of Cold-Rolled Steel Panels for Testing Paint, Varnish, Conversion Coatings, and Related Coating Products

D610 Practice for Evaluating Degree of Rusting on Painted Steel Surfaces

D714 Test Method for Evaluating Degree of Blistering of Paints

D823 Practices for Producing Films of Uniform Thickness of Paint, Varnish, and Related Products on Test Panels

D870 Practice for Testing Water Resistance of Coatings Using Water Immersion

D1193 Specification for Reagent Water

D1654 Test Method for Evaluation of Painted or Coated Specimens Subjected to Corrosive Environments

D1730 Practices for Preparation of Aluminum and Aluminum-Alloy Surfaces for Painting

D1735 Practice for Testing Water Resistance of Coatings Using Water Fog Apparatus

D2616 Test Method for Evaluation of Visual Color Difference With a Gray Scale

D3359 Test Methods for Measuring Adhesion by Tape Test

D3363 Test Method for Film Hardness by Pencil Test

D4541 Test Method for Pull-Off Strength of Coatings Using Portable Adhesion Testers

D4585 Practice for Testing Water Resistance of Coatings Using Controlled Condensation

 

Q-fog CCT鹽霧試驗(yàn)箱用于ASTM D2247-15測試的流程

Q-fog CCT鹽霧試驗(yàn)箱用于ASTM D2247-15測試的流程

 

▼ASTM D2247-15第三方檢測機(jī)構(gòu)

以上標(biāo)準(zhǔn)信息來自互聯(lián)網(wǎng)搜索整理,如需了解完整的ASTM D2247-15的信息或ASTM D2247-15標(biāo)準(zhǔn)解讀,歡迎詳詢。

收藏該商鋪

請(qǐng) 登錄 后再收藏

提示

您的留言已提交成功!我們將在第一時(shí)間回復(fù)您~
二維碼 意見反饋
在線留言