BOPP yog Bidirectional Tensile polypropylene (Corona tus nqi ≥38DY / M2) 1. Vim yog kev txhim kho ntawm molecular orientation thiab crystallinity, nws lub zog tensile, cuam tshuam lub zog, rigidity thiab toughness, noo noo kuj, transparency thiab txias kuj zoo dua.2. Nr...
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