40BR
COMPOSITION BY WEIGHT%&FILLER DESCRIPTION
60% VIRGIN PTFE
40±1%IRREGULAR BRONZE POWDER ANTI-OXIDANT
|
MECHANICAL PROPERTIES |
TEST METHOD |
Units |
Grade NFF |
Grade FF |
|
|
Specific Gravity |
ASTM D 792 |
g/cm³ |
3.10±0.05 |
3.10±0.05 |
|
|
Tensile strength* |
ASTM D-4745 |
MPa |
≥22 |
≥18 |
|
|
Elongation at break* |
ASTM D-4745 |
% |
≥250 |
≥210 |
|
|
Bulk Density |
ASTM D-4894 |
g/L |
/ |
1000±100 |
|
|
Hardness |
ASTM D2240 |
Shore D |
68-63 |
68-63 |
|
|
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 : |
500-600kg/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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