... and alkali, corrosion prevention, endure high and low temperature, innocuity, long using life waterproof , impervious, good dampproof, complete types, low cost ... , construct easily2.SpecificationGrade 1600JProduct type Blow moldingMelt Flow Rate(g/10min) 18Density(g/cm3) 0.956Power ... and cordial,waiting for your inquiry at any time! HDPE Blow Moulding Grade