15GR
COMPOSITION BY WEIGHT%&FILLER DESCRIPTION
85% VIRGIN PTFE
15±1%GRAPHITE POWDER
|
MECHANICAL PROPERTIES |
TEST METHOD |
Units |
Grade FF |
Grade NFF |
|
|
Specific Gravity |
ASTM D-4894 |
g/cm³ |
2.15±0.05 |
2.15±0.05 |
|
|
Tensile strength* |
ASTM D-4894 |
MPa |
≥14 |
≥15 |
|
|
Elongation at break* |
ASTM D-4894 |
% |
≥160 |
≥180 |
|
|
Bulk Density |
ASTM D-4894 |
g/L |
700±50 |
/ |
|
|
Hardness |
NEEDLE |
Shore D |
58-53 |
58-53 |
|
|
Diametric Shrinkage |
INTERNAL |
% |
2.0±0.5 |
2.0±0.5 |
|
|
Flow |
INTERNAL |
Sec/120g |
≤5 |
/ |
|
|
Average Particle Size |
ASTM D4894 |
μm |
550±100 |
/ |
|
*Cross direction
|
RECOMMENDED MOULDING PRESSURE : |
300-350kg/cm2 |
|
MAX SINTERING TEMPERATURE: |
370-375℃ |
Safety toxicology
This product is a fluoroplastic material .so normal precautions observed with fluoroplastics should be followed .
GB/T19001-2008 idt ISO 9001:2008 Certified
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