ImageVerifierCode 换一换
格式:PDF , 页数:2 ,大小:66.20KB ,
资源ID:179394      下载积分:10 积分
快捷下载
登录下载
邮箱/手机:
温馨提示:
快捷下载时,用户名和密码都是您填写的邮箱或者手机号,方便查询和重复下载(系统自动生成)。 如填写123,账号就是123,密码也是123。
特别说明:
请自助下载,系统不会自动发送文件的哦; 如果您已付费,想二次下载,请登录后访问:我的下载记录
支付方式: 支付宝扫码支付 微信扫码支付   
验证码:   换一换

加入VIP,免费下载
 

温馨提示:由于个人手机设置不同,如果发现不能下载,请复制以下地址【https://www.wnwk.com/docdown/179394.html】到电脑端继续下载(重复下载不扣费)。

已注册用户请登录:
账号:
密码:
验证码:   换一换
  忘记密码?
三方登录: QQ登录  

下载须知

1: 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。
2: 试题试卷类文档,如果标题没有明确说明有答案则都视为没有答案,请知晓。
3: 文件的所有权益归上传用户所有。
4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
5. 本站仅提供交流平台,并不能对任何下载内容负责。
6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

版权提示 | 免责声明

本文(ASTM_D_3260_-_01_2011.pdf)为本站会员(益****师)主动上传,蜗牛文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知蜗牛文库(发送邮件至admin@wnwk.com或直接QQ联系客服),我们立即给予删除!

ASTM_D_3260_-_01_2011.pdf

1、Designation:D326001(Reapproved 2011)Standard Test Method forAcid and Mortar Resistance of Factory-Applied ClearCoatings on Extruded Aluminum Products1This standard is issued under the fixed designation D3260;the number immediately following the designation indicates the year oforiginal adoption or,i

2、n the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This test method covers the evaluation of the mortar andacid resistance of clear protect

3、ive coating factory applied toextruded aluminum substrates.1.2 The values stated in SI units are to be regarded as thestandard.The values given in parentheses are for informationonly.1.3 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is therespo

4、nsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2C207 Specification for Hydrated Lime for Masonry Pur-posesD823 Practices for Producing Films

5、of Uniform Thicknessof Paint,Varnish,and Related Products on Test Panels3.Summary of Test Method3.1 Panels that have been buffed,cleaned,neutralized,andcoated with the material being evaluated are exposed to freshlyprepared mortar and to a hydrochloric acid solution.4.Significance and Use4.1 This te

6、st method will provide differentiation betweentypes of coatings for acid and motor resistance providing thecoating is applied in a uniform continuous film with a specifiedfilm thickness.5.Reagents5.1 AcidTen volume percent solution of commercial gradehydrochloric acid(31.4 to 31.8%HCl,20B)in distill

7、edwater.5.2 Cleaning SolutionAn alkaline cleaner3in the concen-tration recommended by the manufacturer,usually 45 to 60 g/L(6 to 8 oz/gal)of water.The pH of the solution should bebetween 11.4 and 12.2.5.3 LimeBuilding lime complying with SpecificationC207.5.4 Neutralizing SolutionPrepare from a stab

8、le free-flowing,granular material having a chromate base4as recom-mended by the supplier,usually at a concentration of 90 to 120g/L(12 to 16 oz/gal)of water.5.5 SandDry sand capable of passing through a 10-meshwire screen.6.Test Panels6.1 Panels of extruded aluminum alloy No.6063-T5 withdimensions 1

9、50 by 75 by 6.3 mm(6 by 3 by14in.)shall beused for the test.7.Procedure7.1 Preparation of Test Panels:7.1.1 Buff the aluminum panels and remove the buffingcompound with an organic solvent.7.1.2 Immerse the panels in cleaning solution(5.2)for 1 h ata temperature of 93C(200F).7.1.3 Rinse the panels in

10、 tap water having a pH of 6.5 to 7.5until the surface is free of water break.Use reagent water forrinsing if the pH of the tap water is outside the specified limits.The panels shall be free from evidence of corrosion or surfaceattack.7.1.4 Immerse the panels in neutralizing solution(5.4)at 246 1C(75

11、 6 2F)for 30 s to neutralize any retained alkalinityand to promote adhesion of the applied coatings.7.1.5 Rinse the panels in reagent water and allow them todry a minimum of 1 h before coating.1This test method is under the jurisdiction of ASTM Committee D01 on Paintand Related Coatings,Materials,an

12、d Applications and is the direct responsibility ofSubcommittee D01.55 on Factory Applied Coatings on Preformed Products.Current edition approved June 1,2011.Published June 2011.Originallyapproved in 1982.Last previous edition approved in 2005 as D3260 01(2005).DOI:10.1520/D3260-01R11.2For referenced

13、 ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Diversey No.808 has been found satisfactory for this purpose.4Diversey No.814 ha

14、s been found satisfactory for this purpose.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 7.2 Coating of Test Panels:7.2.1 Apply the coatings being evaluated to the test panelsin a uniform continuous film by automatic spray equipment ina

15、ccordance with Method A of Practices D823.7.2.2 For the mortar test,spray two panels on one side withtwo or more full wet coats to produce a minimum dry filmthickness of 15 m(0.6 mil)and two panels with one or morefull wet coats to produce a minimum dry film thickness of 7.5m(0.3 mi).7.2.3 For the a

16、cid test,spray two panels with two or morefull wet coats,on both sides,to produce a minimum dry filmthickness of 0.6 mil(15 m)and two panels with one or morefull wet coats on both sides to a minimum dry film thickness of7.5 m(0.3 mil).7.2.4 Allow the panels to dry for 7 days at 23 6 2C(73 63.5F)and 50 6 5%relative humidity.7.3 Mortar Test:7.3.1 Prepare freshly mixed mortar by dry mixing 75 g ofbuilding lime(5.3)and 225 g of sand(5.5)and addingsufficient reagent water while stirring to make a sof

copyright@ 2008-2023 wnwk.com网站版权所有

经营许可证编号:浙ICP备2024059924号-2