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astm d518-99標(biāo)準(zhǔn)介紹
astm d518-99簡介
astm d518標(biāo)準(zhǔn)是關(guān)于橡膠變質(zhì)以及表面開裂的測試標(biāo)準(zhǔn)，目前該標(biāo)準(zhǔn)已經(jīng)被棄用取而代之的是astm d1149 - 16，如需標(biāo)準(zhǔn)信息請咨詢客服人員。
1. scope
1.1 this test method covers three test specimen procedures that estimate the comparative ability of rubber compounds to withstａnd the effects of normal weathering, or exposure in an atmosphere containing controlled amounts of ozone. it does not apply to testing of electrical insulation or other rubber parts where high concentrations of ozone prevail due to electrical discharge, nor to testing of material ordinarily classified as hard rubber.
1.2 the values stated in si units are to be regarded as the standard.
1.3 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.
▼astm d518-99第三方檢測機構(gòu)
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