PTFE Molding Powder
PTFE Molding Powder Free Flow Grade SFF-851
PTFE Molding Powder Free Flow (SFF-851) Technical Properties Mechanical Properties Units Test Method Grade Free Flow Specific Gravity g/cm³ ASTM D4894 2.15±0.02 Tensile strength MPa ASTM D4894 ≥27.5 Elongation at break % ASTM D4894 ≥290 Bulk Density g/L ASTM D4894 ≥850 Hardness Shore D NEEDLE 56-50 Diametric Shrinkage % INTERNAL 2.0±0.5 Flow Sec/120g INTERNAL ≤5 Average Particle Size μm ASTM D4894 300±100 Recommended Molding Pressure 300-350kg/cm2 Max Sintering Temperature
PTFE Modified Molding Powder Free Flow Grade SFF-81M
PTFE Molding Powder Free Flow (SFF-81M) Technical Properties Mechanical Properties Units Test Method Grade Free Flow Specific Gravity g/cm³ ASTM D4894 2.16±0.02 Tensile strength MPa ASTM D4894 ≥28 Elongation at break % ASTM D4894 ≥380 Bulk Density g/L ASTM D4894 800±100 Hardness Shore D NEEDLE 60-55 Diametric Shrinkage % INTERNAL 3.0±0.5 Flow Sec/120g INTERNAL ≤5 Average Particle Size μm ASTM D4894 550±100 Recommended Molding Pressure 300-350kg/cm2 Max Sintering Temperature