Model: PBT
The above pictures are for reference only, according to the real object accurately. To meet customer needs, we can specially made according to the properties of the product by R&D. Detailed parameters :( Click to view)
Model Specification
Manual
| Item | Test method | Unit | Conditions | Grade | |||||
| ASTM | G30 | F0 | GF10 | GF15 | GF20 | GF30 | |||
| Physical properties | |||||||||
| Density | D792 |
|
1.55 | 1.48 | 1.52 | 1.54 | 1.60 | 1.65 | |
| Moisture Absorption | D570 | % |
23 ,24hr
|
0.09 | 0.10 | 0.09 | 0.08 | 0.07 | 0.06 |
| Molding shrinkage | D955 | % | 0.4-0.8 | 1.4-2.0 | 0.6-1.1 | 0.5-0.9 | 0.4-0.8 | 0.4-0.8 | |
| Mechanical properties | |||||||||
| Tensile strength | D638 | Mpa | 115 | 50 | 76 | 88 | 92 | 120 | |
| Elongation at break | D638 | % | 4 | - | 4 | 4 | 4 | 3 | |
| Bending strength | D790 | Mpa | 180 | 85 | 110 | 140 | 160 | 180 | |
| Bendingl modulus | D790 | Mpa | 8.0* | 2.2* | 4.0* | 5.0* | 6.0* | 8.0* | |
| Bending strength | |||||||||
| Bendingl modulus | D256 | J/m | 3.2mm | 80 | 30 | 40 | 50 | 70 | 80 |
| Charpy impact strength | ISO179 | ||||||||
| Non gap |
|
40 | 40 | 30 | 35 | 40 | 48 | ||
| Gap |
|
9 | 4 | 6 | 7 | 8 | 9 | ||
| Thermal properties | |||||||||
| Temperature of thermal deformation | D648 |
|
1.82Mpa | 205 | 55 | 185 | 195 | 200 | 205 |
| Coefficient of linear expansion | D696 |
1/
|
-30+30
|
2.5*
|
8.0*
|
4.1*
|
3.8*
|
3.5*
|
2.5*
|
| Combustion | UL-94 | 3.2mm Thick | HB | V-0 | V-0 | V-0 | V-0 | V-0 | |
| Electrical properties | |||||||||
| Dielectric constant | D150 |
|
3.0 | 3.0 | 3.2 | 3.3 | 3.5 | 3.5 | |
| Dielectric loss angle tangent | D150 |
|
2.5*
|
2.0*
|
2.0*
|
2.0*
|
2.0*
|
2.0*
|
|
| Volume resistivity | D257 | Ω.m |
|
|
|
|
|
|
|
| Dielectric strength | D149 | MV/m | 2mm Thick | 21 | 19 | 20 | |||
| Technology characteristics | 30% Glass fiber reinforced, heat-resistant | Good fluidity Impact resistance | 10% Glass fiber reinforced | 15% glass fiber reinforced flame retardant | 20% Glass fiber reinforced, heat-resistant | 30% Glass fiber reinforced, heat-resistant | |||
| Molding conditions | Grade | Cylinder temperature （℃） | Nozzle temperature （℃） | Mold temperature（℃） | Screw speed（rpm) | Injection pressure（Mpa) | |||
| 201-G30 | 225-255 | 245 | 40-80 | ≤100 | 80-120 | ||||
| 301-G0 301-G10 | 225-245 | 240 | 40-80 | ≤100 | 40-100 | ||||
| 301-G20 301-G30 | 225-250 | 240 | 40-80 | ≤100 | 60-120 | ||||
| Note: the above data is not the product of standard factory. For reference only. | |||||||||