... you 3,High Temperature 4,Melafoam is a kind of low density, ope It can clean things with water no ... ., LTDNo.-------ManufecturerCHANGZHOU DENGYUE SPONGE CO., LTDBrand-------Date of ProductionJune, 2004Specification300*300*50mmDate of Samples July, 8th, 2004Batch-----Inspection BasisGB/T ... the next page July, 20th, 2004Remark 5. Low density. The density of the product is 4-12kg per cubic meter; the ...