GENERAL PROPERTIES | ASTM OR UL TEST | UNITS | TECHTRON HPV |
Colour | – | – | Blue |
Specific Gravity | D792 | – | 1.43 |
Tensile Strength | D638M | N/mm² | 75 |
Elongation | D638M | % | 5 |
Tensile Modulus | D638M | N/mm² | 4400 |
Compression Test : 1% Offset Yield Strength | D695 | N/mm² | 110 |
Hardness (Rockwell M) | D785 | – | M84 |
Notched Impact Strength-Izod | D256 | J/m | 30 |
Coefficient of Linear Thermal expansion | – | ||
23-100°C | K¯¹ x 10¯⁵ | 5.0 | |
Above 100°C | K¯¹ x 10¯⁵ | 8.0 | |
Melt Point | – | °C | 280 |
Deflection Temperature under Flexural Load | D648 | °C | 115 |
A-1.86 N/mm² | |||
Coefficient of Thermal Conductivity | – | W/K x m | 0.3 |
Max.Allowable Service Temperature in air : | – | ||
-continuously for 20,000 hrs (2) | °C | 220 | |
-for short periods | °C | 250 | |
UL-Flammability (0.8mm) | UL-94 | – | V-0 |
Volume Resistivity | D257 | Ω.cm | 10¹⁵ |
Dielectric Strength | D149 | Kv/mm | 24 |
Dielectric Constant (10³ Hz) | D150 | – | 3.3 |
Dissipation Factor tanᵟ (10³-10⁶ Hz) | D150 | – | 0.003 |
Surface Resistivity | D257 | Ω | 10¹⁵ |
Coefficient of Friction Dry against steel- Dynamic | – | – | 0.20-0.25 |
Water Absorption Equilibrium 23°C/50% RH | – | % | 0.03 |
Saturated in water | – | % | 0.09 |
Outside Applications-UV resistance | C | ||
Acids-Strong (pH<3) | A | ||
Alkali-Strong (pH>11) | A | ||
Chlorinated Hydrocarbons | B | ||
Hot Water | A |
*A = No Attack
*B = Mild attack byabsorption
*C = Dimension change due to absorption
*D = Decomposition on short time