... and heat stability performance Competitive price Black Color MasterbatchThe content of carbon black is from 20% to 50%. ... 4. Low water ratio. 5. Environment protectionMain usage: blow film, injection molding, blow molding, spin dying, casting, extrusion ... Upholstery, Chairs, Cup, Box,Container,Pallet,Sheet,film, shopping bags, casting film, multilayer film etc. Customized :OEM & ODM are welcomed ...