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（一）Casting
The TPU raw material is plasticized and melted by an extruder. The die is extruded through T-shaped structure, and the lamellar flow extends to the surface of the cooling roller, which rotates smoothly. The diaphragm is cooled and shaped on the cooling roller, and then the product is rolled after traction and trimming.
（二）Blowing
A plastic process in which plastic particles are heated, melted, and blown into a thin film. The quality of the film blown by this process depends on the machine and the plastic particles. The elasticity and viscosity of TPU material itself will stick together and shrink when it is formed. In order to avoid this, PE is used in production.
（三）Extrusion Coating
（四）Press
|
品名 product |
A12358 |
TEST DATE |
Date:2014-11-22 |
|
颜色 Color:coffee |
Clear |
规格 Specification: |
0.3mm |
|
|
|||
|
TEST ITEM |
UNIT |
TEST METHOD |
TEST RESULT |
|
硬度 Hardness |
Shore A/D |
ASTM D2240 |
85A |
|
比重 Specific Gravity |
g/cm3 |
ASTM D792 |
1.16 |
|
抗張強度 Tensile Strength |
Kg/ c㎡ |
ASTM D412 |
Warp:345 Weft:365 |
|
300%模數 300%Modulus |
Kg/ c㎡ |
ASTM D412 |
Warp:85 Weft:80 |
|
伸長率 Utimate Elongation |
% |
ASTM D412 |
Warp:605 Weft:570 |
|
撕裂強度 Tear Stength |
Kg/cm
|
ASTMD624(Die C) |
Warp:110 Weft:105 |
|
薄膜熔融成型温度 Film Melting Point |
℃ |
|
180-195 |
|
QUV耐黃變測試 QUV Discoloration |
Grade |
ASTM G154 45℃/24hrs0.78W/㎡ |
4-5 |
**
The above data are for reference only. The actual data vary with thickness, specification and design.
| 86-152-21216273 | |
| 86-021-67842784 |
