suspended fine grain of PTFE, PTFE-SM021
PTFE
RESIN FOR MOULDING
Function
Description：
Fine grain ones is suitable for making insulating film for winding thin wall products precise parts for turning
Brief
Introduction：
Fine grain ones is suitable for making insulating film for winding thin wall products precise parts for turning and all kinds of packing products.
Packing
Storage and transportation:
1. PTFE is packed in double layer pvc bags inside and in hard circular barrels outside. On the barrel there attached label and quality certificate on which there are brand trademark lot NO. and net content=25kg.
2 PTFE should be stored in clean dry warehouse to prevent from dust moisture etc. foreign matters.
3 The products are transported according to non-dangerous products. Heat moisture freezing and strong shock should be avoided during transportation. Over-bumpiness and compression is apt to make the resin bind together.
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Item |
PTFE SM021(E) |
PTFE SM021(F) |
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Grade l |
Qual. |
Grade l |
Qual. |
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1 |
Smoothness & Cleanness
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White sheet surface, Even quality, no foreign matters |
Even sheet quality, ≤6 for total residue or spots, including≤2 for residue (0.5-2mm) and ≤1 for spot (2-3mm) |
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2 |
Tensile Strength, MPa≥ |
29 |
27.4 |
29 |
27.4 |
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3 |
Elong. at Rupture,%, ≥ |
300 |
280 |
300 |
280 |
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4 |
Volume Density, g/L |
300-450 |
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5 |
Residue on Sieve (65um),%,≤ |
15 |
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6 |
Moisture Content, %, ≤ |
0.04 |
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7 |
Melting point, ℃ |
327±5 |
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8 |
Stand relative density |
2.13-2.19 |
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9 |
Thermal inst. Index, ≤ |
20 |
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10 |
Electric Strength, MV/m, ≥ |
100 |
80 |
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