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75% virgin PTFE Molding Powder SF-25GR with 25% Graphite Powder

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75% virgin PTFE Molding Powder SF-25GR with 25% Graphite Powder

PTFE Molding Powder (SF-25GR)

Composition: 75% virgin PTFE, 25%±1% graphite powder

Technical Properties

Mechanical PropertiesUnitsTest MethodFree FlowNFF
Specific Gravityg/cm³ASTM D48942.15±0.052.15±0.05
Tensile strengthMPaASTM D4894≥10≥12
Elongation at break%ASTM D4894≥20≥40
Bulk Densityg/LASTM D4894750±50/
HardnessShore DNEEDLE62-5862-58
Diametric Shrinkage%INTERNAL2.0±0.52.0±0.5
FlowSec/120gINTERNAL≤5/
Average Particle SizeμmASTM D4894550±100/
Recommended Molding Pressure400-500kg/cm2
Max Sintering Temp.370-375℃

Attention:

This product is a fluoroplastic material. Normal precautions observed with fluoroplastics should be followed.


Packaging, Storage and Transportation:

1. The product is packed in two layers of plastic bags in a hard bucket with a net content of 25kg per barrel.

2. The products shall be transported as non-dangerous chemical. During transportation, prevent from humidity, intense vibration and package damage.

3. Products should be stored in a clean, cool and dry warehouse to prevent the mixing of dust, moisture and other impurities.


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