四边封杂粮塑料袋
四边封杂粮塑料袋

详细说明:

聚乙烯薄膜(无毒性)
薄膜呈乳白色,半通明状(几层叠起来调查特别显着),摸起来较光滑,如同外表上涂有蜡层,用力颤动,声响发脆,遇火易燃,火焰黄色,焚烧时有粘液滴落,并有蜡烛焚烧时的气味。
聚氯乙烯薄膜(一般有毒性)
如不加色素,为通明状,摸起来其外表有些发粘,用力颤动,声响消沉,遇火不易焚烧,离火焰即熄,火焰呈绿色。

Polyethylene film (nontoxic)

The film is milky white, semi - bright (a few layers of investigation, especially). It feels smooth, like a waxy layer on the surface, flammable, flammable, flammable, yellow, mucus dripping when burning, and the smell of candles burning.

Polyvinyl chloride (PVC) film (generally toxic)

If no pigmentation, for the clear shape, touch the appearance of some sticky, force tremble, sound depression, when the fire is not easy to burn, from the flame is extinguished, the flame is green.

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