Shrinkage of thermoplastic resin
Shrinkage of thermoplastic resin
As below
|
Type of forming material |
Filler |
Shrinkage |
|
Polyethylene (low density) |
- |
1.5~5.0 |
|
Polyethylene (medium density) |
- |
1.5~5.0 |
|
Polyethylene (high density) |
|
2.0~5.0 |
|
Polypropylene |
- |
1.0~2.5 |
|
Polypropylene |
glass fiber |
0.4~0.8 |
|
Polyamine（6） |
- |
0.6~1.4 |
|
Polyamine（6/10) |
- |
1.0 |
|
Polyamine |
20~40% glass fiber |
0.3~1.4 |
|
Polyacetal |
- |
2.0~2.5 |
|
Polyacetal |
20% glass fiber |
1.3~2.8 |
|
Polystyrene (usually used) |
- |
0.2~0.6 |
|
Polystyrene (for impact resistance) |
|
0.2~0.6 |
| AS | - |
0.2~0.5 |
|
ABS (for impact resistance) |
- |
0.3~0.8 |
|
ABS (for impact resistance) |
20~40% glass fiber |
0.1~0.2 |
|
Methacrylate resin |
- |
0.2~0.8 |
|
Polycarbonate |
- |
0.5~0.7 |
|
Polycarbonate |
10~40% glass fiber |
0.1~0.3 |
|
Polyvinyl chloride resin (hard) |
- |
0.1~0.4 |
|
Cellulose acetate |
- |
0.3~0.8 |
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