... 1. When use in HDPE and LDPE membrane, it will not affect the transparency and tensile of membrane when add 15 ... .2. When use in greenhouse film, it basically don't affect the transparency of film, also keeps warm ... dry, cool, ventilated and clean storehouse. It has hygroscopicity, has not used up material must packed in bags ... and grip bag mouth, can not put it in the air for a long time. ...