1.Blow Film Grade 2.Reach and EU certificates 3.MFR:0.2- ... days 1.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 ...