properties unite Grade A Grade B Grade C Grade D Grade E Grade F testing method
K-Value .... 65 70 57 67 61 69 ASTM D 1243-79
Inherent Viscosty .... 085-.91 .98-1.04 .66- .70 .9-.94 .75-.79 .94-.98 ASTM D 1243-79
Bulk Density gr/lit 530-590 445-590 500-560 490-550 500-560 460-520 ASTM D 1895-69
Porosity mlDop/grP 0.1-0.25 0.27-0.37 0.17-0.27 0.27-0.37 0.17-0.27 BFG 1094-A 0.23-0.33
Dark Resin Count 30 max 30 max 30 max 30 max 30 max 30 max BFG 1064
Fish Eye Count 25 max 25 max 25 max 25 max 25 max 25 max BFG909-F
Flow Time Second 15-30 15-25 15-30 15-25 15-25 15-30 ASTM D 1895
Resitual VCM ppm 1 max 1 max 1 max 1 max 1 max 1 max ASTM D 3749-78
Heat Loss % .3 max % .3 max % .3 max % .3 max % .3 max % .3 max % .3 max BFG 362-H
heat loss >63 u 95% min 90% min 95% min 90% min 95% min 90% min BFG 812-G
heat loss >250u 5% max 5% max 5% max 5% max 5% max 5% max BFG 812-G
Application ..... Rigid Extrusion & Molding Flexibile & Rigid Extrusion & Molding Calendering-wire and cable Injection Molding application Film Injection Molding and Film Injection Molding and Film