GB/T 840-1988 塑料滚花头螺钉
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来源:标准资料网
基本信息
标准名称: | 塑料滚花头螺钉 |
英文名称: | Plastic diamond knurlhead screws |
中标分类: |
机械 >>
通用零部件 >>
紧固件 |
ICS分类: |
机械系统和通用件 >>
紧固件 >>
螺栓、螺钉、螺柱
|
替代情况: | GB 840-1979 |
发布部门: | 中国机械工业联合会 |
发布日期: | 1988-06-24 |
实施日期: | 1989-07-01 |
首发日期: | 1967-03-06 |
作废日期: | 1900-01-01 |
主管部门: | 中国机械工业联合会 |
归口单位: | 全国紧固件标准化技术委员会 |
起草单位: | 机电部标准化所 |
出版日期: | 1900-01-01 |
页数: | 3页 |
适用范围
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前言
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目录
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引用标准
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所属分类: 机械 通用零部件 紧固件 机械系统和通用件 紧固件 螺栓 螺钉 螺柱
Product Code:SAE AMS3100
Title:Adhesion Promoter For Polysulfide Sealing Compounds
Issuing Committee:Ams P Polymeric Materials Committee
Scope:This specification covers adhesion promoters in the form of a liquid, either in bulk or aerosol form.This product has been typically used to enhance the adhesion of polysulfide sealing compounds or adhesives to AMS-C-27725 integral fuel tank coating, MIL-PRF-23377 epoxy primer, MIL-PRF-85582 waterborne primer, and bare titanium alloy substrates, but usage is not limited to such applications. Care should be exercised around plastic substrates (e.g. polycarbonates, acrylics) as the formulary solvents may tend to craze these surfaces.AMS3100 Class 2 may contain halogenated solvents that could cause stress-corrosion cracking when used on titanium alloys which will be subjected to temperatures above 450 掳F (232 掳C) or on high strength steels. Users of this specification should be attentive to reference the appropriate class of promoter for their specific applications.