... . carbon content : 20% recycled PE as carrier dosage: 0.5%-8% 1. black masterbatch for PE blown film and injection etc..2 ... . carbon content : 20%3. recycled PE as carrier 4. good ... injection ,,draw bench ,,spin dyeing ,,sheet laminating,,plastic tablet pumping,,pipe .. Our unchangeable policy: Good quality, Reasonable price, Excellent credit ...