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Teach you how to tell whether tape is good or bad.
对于有颜色的胶带是为了方便做记号和遮蔽用途，一般米黄色和土黄色比较多。
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Formula and characteristics of butyl tape
Butyl rubber waterproof sealing adhesive tape is an environment-friendly solvent-free sealing adhesive material produced by blending main raw materials such as butyl rubber and polyisobutylene according to a special production formula, adopting the latest patented technology, selecting high-quality special polymer materials (imported) and special technological process.
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