ImageVerifierCode 换一换
格式:PDF , 页数:3 ,大小:74.94KB ,
资源ID:184242      下载积分:9 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/184242.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_C_475_-_C_475M_-_15.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_C_475_-_C_475M_-_15.pdf

1、Designation:C475/C475M15Standard Specification forJoint Compound and Joint Tape for Finishing GypsumBoard1This standard is issued under the fixed designation C475/C475M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of last

2、 revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope*1.1 This specification covers all-purpose,ta

3、ping and finish-ing joint compounds,paper joint tape,and glass-mesh jointtape.1.1.1 The joint materials used in this standard are designedto be used with gypsum board installed in accordance withSpecification C840.1.2 This specification also covers the minimum require-ments for an assembly of taping

4、 and all-purpose compound andjoint tape.1.3 The text of this specification references notes andfootnotes that provide explanatory material.These notes andfootnotes(excluding those in tables and figures)shall not beconsidered as requirements of the specification.1.4 The values stated in either inch-p

5、ound or SI(metric)units are to be regarded separately as standard.Within the text,the SI units are shown in parentheses.The values stated in eachsystem shall be used independent of the other.Values from thetwo systems shall not be combined.2.Referenced Documents2.1 ASTM Standards:2C11 Terminology Re

6、lating to Gypsum and Related BuildingMaterials and SystemsC474 Test Methods for Joint Treatment Materials for Gyp-sum Board ConstructionC840 Specification forApplication and Finishing of GypsumBoardD123 Terminology Relating to TextilesD3882 Test Method for Bow and Skew in Woven andKnitted FabricsF16

7、15 Specification for Cautionary Labeling for Five-Gallon Open-Head Plastic Containers3.Terminology3.1 DefinitionsDefinitions shall be in accordance withTerminology C11.3.2 Definitions of Terms Specific to This Standard:3.2.1 glass-mesh joint-tape,na strip of multidirectionalglass yarn material desig

8、ned to reinforce the joint between twogypsum boards.3.2.2 joint tape,na strip of material used to conceal andreinforce the joint between two gypsum boards.3.2.3 joint tape,self-adhering,na joint tape manufacturedto adhere directly to the substrate.3.2.3.1 DiscussionTapes having this quality do not r

9、equiremechanical or embedment means of attachment to the sub-strate.3.2.4 paper joint tape,na strip of paper reinforcingmaterial designed to be embedded in the joint compound and toreinforce the joint between two gypsum boards.3.2.5 skewness,nas defined in Terminology D123.4.Physical Properties4.1 G

10、eneralThe physical properties shall be determined inaccordance with Test Methods C474,except as noted.4.2 Joint Compounds.4.2.1 Check CrackingNo cracks in the thinner half of thewedge and no deep fissure cracks in the thicker half of thewedge.4.2.2 PutrefactionNo putrefaction in less than four days.

11、4.2.3 ShrinkageNot more than 35%by volume.4.3 Joint Tape:4.3.1 The following tests are required of all joint tape:4.3.1.1 WidthShall be not less than 178in.(48 mm)normore than 214in.(60 mm).The width of an individual rollshall vary not more than 6132in.(1 mm).4.3.1.2 ThicknessShall be not more than

12、0.012 in.(0.30 mm).1This specification is under the jurisdiction of ASTM Committee C11 onGypsum and Related Building Materials and Systems and is the direct responsibilityof Subcommittee C11.02 on Specifications and Test Methods for Accessories andRelated Products.Current edition approved June 1,201

13、5.Published June 2015.Originallyapproved in 1961.Last previous edition approved in 2014 as C475/C475M 121.DOI:10.1520/C0475_C0475M-15.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume informat

14、ion,refer to the standards Document Summary page onthe ASTM website.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 4.3.1.3 Tensile StrengthShall be not less than 30 lbf/in.

15、(5.25 N/mm)in the cross direction.4.3.2 The following tests are required of paper joint tape:4.3.2.1 Dimensional StabilityShall expand not more than0.4%lengthwise and not more than 2.5%crosswise.4.3.3 The following test is required of glass-mesh joint tape:4.3.3.1 Skewness,when tested in accordance

16、with TestMethod D3882,shall be not more than 8.75%.4.4 Assembly of Taping or All-Purpose Compound andPaper Joint Tape:4.4.1 Bond between the joint tape and the joint compoundshall be not less than 90%.4.4.2 Edge cracking shall be not more than 10%along theedges of the tape specimen.5.Sampling5.1 Sampling of Joint CompoundAt least 1%,but not lessthan one package or container shall be sampled and shall be soselected as to be representative of the shipment.The materialso obtained shall be thoroughl

copyright@ 2008-2023 wnwk.com网站版权所有

经营许可证编号:浙ICP备2024059924号-2