Properties
Property Table 1 Property Table 2
Properties of Other materials
| Item | Test method |
Test condition |
Unit | Cast nylon |
Polyacetal | Heat resistant PVC |
Industrial PP |
Ultrahigh molecular weight PE |
PTFE | Glass epoxy FR-4 |
Cloth phenol LE |
Paper phenol XPC |
|
| Density | ASTM D792 | - | - | 1.16 | 1.41 | 1.65 | 0.90 | 0.94 | 2.2 | 1.8 | 1.35 | 1.4 | |
| Water absorption | ASTM D570 | - | % | 0.50~ 1.00 | 0.22 | 0.22 | < 0.01 | < 0.01 | < 0.01 | 0.05~ 0.10 | 0.60~ 1.80 | 1.18 | |
| Weather resistance | - | - | - | Δ~Ο | Δ~Ο |
Ο |
Δ |
Ο |
Ο |
Ο |
Δ | - | |
| Breaking strength |
Vertical | ASTM D638 | - | MPa | 70 | 60 | 55 | 30 | 42 | 22 | 300 | 100 | 80 |
| Horizontal | - | - | - | - | - | - | 270 | 90 | 90 | ||||
| Elongation | Vertical | ASTM D638 | - | % | 10~50 | 40 | 15~100 | 30~100 | 400 | 225~600 | 3.0 | 2.0 | 2.0 |
| Horizontal | - | - | - | - | - | - | 3.0 | 1.5 | 1.4 | ||||
| Flexural strength |
Vertical | ASTM D790 | - | MPa | 100 | 90 | 85 | 35 | 20 | No breaking |
720 | 160 | 180 |
| Horizontal | - | - | - | - | - | - | 540 | 130 | 160 | ||||
| Flexural modulus |
Vertical | ASTM D790 | - | GPa | 3.2 | 2.6 | 2.8 | 1.1 | 1.2 | 4.0 | 24.3 | 4.2 | 4.8 |
| Horizontal | - | - | - | - | - | - | 20.0 | 4.2 | 4.0 | ||||
| Compressive strength | ASTM D695 | - | MPa | 46 | 105 | 66 | 39 | 21 | 11 | 150 | 125 | - | |
| Shearing strength | ASTM D732 | - | MPa | - | - | - | - | - | - | - | - | - | |
| Impact strength (Izod) | ASTM D256 | - | J/m | 46 | - | - | - | - | 16.3 | 588 | 98 | 78 | |
| Rockwell hardness | ASTM D785 | - | R scale | 118 | 119 | 120 | 100 | 45 | 15 | 120 | 120 | 120 | |
| Deflection temperature under load |
ASTM D648 | 0.45MPa | (°C) | 160 | 110 | 100 | 65 | 50 | 55 | - | - | - | |
| Coefficient of linear thermal expansion |
Vertical | ASTM D696 | 25-100(°C) | 10-5/(°C) | 9.0 | 9.0 | 7.0 | 12.0 | 16.0 | 10.0 | 2.0 | 3.0 | 4.0 |
| Horizontal | 9.0 | 9.0 | 7.0 | 12.0 | 16.0 | 10.0 | 2.0 | 3.0 | 4.0 | ||||
| Heat conductivity | ASTM C177 | - | W/mk | - | 0.25 | 0.16 | 0.17 | 0.41 | 0.21 | - | - | 0.31 | |
| Combustibility | UL-94 | - | - | V-2 equivalent |
HB equivalent |
V-0 equivalent |
HB equivalent |
V-2 equivalent |
V-0 equivalent |
V-0 | HB | HB | |
| Long-term heat resistance |
- | - | (°C) | - | - | - | - | - | - | - | - | - | |
| Combustion calorie |
- | - | J/kg | 31,000 | - | 19,000 | 63,000 | 46,000 | - | - | - | - | |
| Ignition temperature |
DSC-TG methods |
- | (°C) | 420 | - | 454 | 388 | 349 | - | - | - | - | |
| Dielectric breakdown strength |
ASTM D149 Short-term method |
Under ambient atmosphere |
MV/m | 17 | 20 | 17 | 30 | 48 | 19 | 29 | 25 | 27 | |
| After water absorption |
- | - | - | - | - | - | 24 | 13 | 5 | ||||
| Surface resistivity |
ASTM D257 | - | Ω | 1014 | 1014 | 1015 | 1015 | 1018 | 1018 | 1013 | 1011 | 1010 | |
| Volume resistivity |
ASTM D257 | - | Ω•m | 1012 | 1012 | 1013 | 1013 | 1016 | 1016 | 1012 | 1010 | 1010 | |
| Insulation resistance |
ASTM D257 | - | Ω | - | - | - | - | - | - | - | - | - | |
| Dielectric constant |
ASTM D150 | 1MHz | - | 3.7 | 3.7 | 3.0 | 2.3 | 2.3 | 2.1 | 4.3 | 5.0 | 6.0 | |
| Dielectric dissipation factor |
ASTM D150 | 1MHz | - | - | - | - | - | - | - | 0.018 | 0.053 | 0.055 | |
| Ark resistance |
ASTM D495 | - | sec | 120 | - | 80 | - | - | - | 120 | 120 | 120 | |
| Tracking resistance |
IEC112 | - | V | 200 | - | - | - | - | - | 350 | 200 | 120 | |
| Weak acid resistance |
- | - | - | Δ | Δ | Ο | Ο | Ο | Ο | Ο | Ο | Ο | |
| Strong acid resistance |
- | - | - | Χ | Χ | Ο | Δ | Δ | Ο | Ο | Ο | Ο | |
| Weak alkali resistance |
- | - | - | Ο | Ο | Ο | Ο | Ο | Ο | Ο | Δ | Δ | |
| NaOH resistance | - | - | - | Ο | Δ | Ο | Ο | Ο | Ο | Ο | Χ | Χ | |
| Organic solvent resistance |
- | - | - | Ο | Ο | Χ | Ο | Ο | Ο | Ο | Δ | Δ | |
| Transparency | - | - | Opaque | Semitrans- parent to opaque |
Opaque | Opaque | Semitrans- parent to opaque |
Opaque | Opaque | Opaque | Opaque | ||