... Blowing Film/Pipe/Garbage Bags The content of carbon black is from 20% to 50%. We introduced advanced production equipment and testing machine ... Low water ratio. 5. Environment protectionMain usage: blow film, injection molding, blow molding, spin dying, casting, ... Chairs, Cup, Box,Container,Pallet,Sheet,film, shopping bags, casting film, multilayer film etc. Customized :OEM & ODM are welcomed ...