• PTFE vergine - Copertina
    15% Graphite

PTFE COLORS

15% Graphite
Data Sheet: F1-27

15% Graphite ( (85% Virgin PTFE + 15% Graphite)

PTFE Graphite Compound preferred for parts and components requiring very good mechanical properties.

 
 Property Method Units Specification
Physical   Color - - Black
Specific gravity ASTM D792 g/cm3 2,14 – 2,170
Water absorption ASTM D570 % 0,05
Flammability UL 94   V-0
Mechanical Tensile strength ASTM D4745 MPa ≥ 16
Elongation ASTM D4745 % ≥ 180
Hardness ASTM D2240 Shore D ≥ 55
Ball Hardness ASTM D785 MPa ≥ 25
Deformation under load
(140 Kg/cm2 for 24 hrs. At 23° C)
ASTM D621 % 9,5-11
Permanent deformation
(after 24 hrs. Relaxation at 23° C)
ASTM D621 % 5,5-6,5
Coefficient of static friction ASTM D1894   0,12-0,14
Coefficient of dynamic friction ASTM D1894   0,10-0,12
Wear coefficient - cm3 min 10-8
Kg m h
2000-2500
Thermal  Thermal conductivity ASTM C177 W/ m*K 0,75
Coefficient of linear thermal expansion
From 25 to 100 °C
ASTM D696 10-5/°C 8-13
Electrical Volume resistivity ASTM D257 Ohm*cm 107
Surface resistivity ASTM D257 Ohm 106
 

STYLE PRODOTTI PTFE

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