GB/T 1842-2008 in English
VALIDPlastics - Test method for environmental stress-cracking of polyethylene
- Issued on:2008-08-01
- Implemented on:2009-04-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$146.00
《GB/T 1842-2008塑料 聚乙烯环境应力开裂试验方法》由TC15(全国塑料标准化技术委员会)归口,TC15SC1(全国塑料标准化技术委员会石化塑料树脂产品分会)执行,主管部门为中国石油和化学工业联合会。
本标准替代GB/T 1842-1999《聚乙烯环境应力开裂试验方法》。
本标准规定了聚乙烯环境应力开裂的试验方法。
本标准适用于测定聚乙烯均聚物以其他1-烯烃单体含量少于50%(质量分数)和带功能团的非烯烃单体含量不多于3%(质量分数)的共聚物在规定条件下耐环境应力开裂的能力。
本标准与GB/T 1842-1999的主要差异为:
――名称变更为“塑料 聚乙烯环境应力开裂试验方法”。
――将第8章的“试样制备”与第11章的“试样数目”合并为“试样”。
――将试样状态调节的相对湿度由“50%±5%”改为“50%±10%”。
――试验条件B和C的试样厚度改为“1.84mm~1.97mm”。
――增加了试验结果的表述方法。
Scope
1.1 This standard specifies the test method for environmental stress cracking of polyethylene. 1.2 This standard is applicable to the determination of polyethylene homopolymers and other copolymers whose olefin monomer content is less than 50% (mass fraction) and non-olefin monomers with functional groups are not more than 3% (mass fraction)? Ability to resist environmental stress cracking under specified conditions.

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