We are interested in buying PP Resin for fiber and Melt Blown filter.
The pellet product is colourless and in the shape of a cylinder with controllable rheological property, good spinnability , as well as fairly good heat-resistance.
Q/SH 012.07.06-1999 Polypropylene resin
No. Item Unit Quality Criteria Testing Method
Premium-grade 1st-grade spec.
1 Cleanliness piece/kg max 0-5 6-10
2 Melt flow rate g/10min 37(+-6.0) 37(+-9.5)
3 Tensile yield strength Mpa min 32.0 30.0
4 Bending modulus GPa min 0.88 0.82
5 Outrigger impact strength(23C) J/m min 17.0 15.0
6 Isotacticity %(m/m) min 94.5 94.5
7 Ash %(m/m) max 0.02 0.04
8 Chlorine content %(m/m)max 0 .005
9 Fish-eye 0.8mm Piece/1520cm2 max 0-4 5-8
0.4mm 0-20 21-40
10 Vicat softening point C min 151 143
11 Yellowness-index max 4 4
Packing:Packed in 25 kg bags or 1 mt Jumbo bags