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[紫外交联] 防UV(紫外线)线材的标准
P:2011-02-22 13:15:45
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7.22 Sunlight resistant test
Any cable that is marked for sunlight-resistant use as described in Clause 8.3.8 shall be considered
acceptable for use in sunlight if the ratio of the average tensile strength and ultimate elongation of five
conditioned specimens of the overall jacket to the average tensile strength and ultimate elongation of five
unconditioned specimens of the overall jacket is 0.80 or more, when the finished cable is conditioned and
tested in accordance with the Weather (Sunlight) Resistance Test in CSA C22.2 No. 2556 or UL 2556,
using 720 h of carbon-arc exposure, or xenon-arc exposure.
UL444要求的测试,可参考UL2556
professional cable machine manufacturer - 专业电缆设备制造厂 (0) 投诉
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