Black specks in film or sheet-especially in light-colored or clear plastics-lead to scrap, unscheduled shutdowns, and dissatisfied customers.
薄膜或者片材上的黑点，特别是浅色或透明塑料，会导致废料、不必要的停机以及客户不满。
Measuring with a compensator is a standard ASTM test procedure 2 and is a particularly effective laboratory tool for quality control of clear plastics.
测量与补偿器是一个标准的ASTM标准测试程序2，是一种特别有效的工具，实验室的质量控制明确塑料工业。
He has believed for the past 20 years that the price of oil will eventually make petroleum-based plastics obsolete and clear the way for his alternative.
二十年来，他一直相信，石油的价格最终会淘汰以石油为原料的塑料，为他的替代品扫清道路。
BPA is a key ingredient in hard, clear polycarbonate plastics used in numerous products, including CDs, DVDs, sports bottles and reusable food and drink containers.
BPA的规章程序。BPA是坚固明亮的聚碳酸酯塑料中的主要成分，这些塑料被制成很多产品，如；
Particularly for small children, whose bodies are developing, it's best to steer clear of plastics that can release chemicals that could harm them in the long term.
特别是对一些小孩来说，他们的身体正在发育，最好长期并清楚地指导他们，让他们知道塑料会释放出会伤害他们的化学物质。
Particularly for small children, whose bodies are developing, it's best to steer clear of plastics that can release chemicals that could harm them in the long term.
特别是对一些小孩来说，他们的身体正在发育，最好长期并清楚地指导他们，让他们知道塑料会释放出会伤害他们的化学物质。
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