... 15 days1.Charactersphysical and mechanical properties good, tearing strength high, tensile-strength is high, resist puncture, resist plant root ageing resistance , ... uvioresistant , endure oil ,salt ,acid and alkali, corrosion prevention, endure high and low temperature, innocuity, long using life waterproof , impervious, good ... cordial,waiting for your inquiry at any time! HDPE Blow Moulding Grade