Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates

Polyester, TS BUP 640 Bonyan Kala Chemie Company
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Buttons, transparent parts
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Plastic Datasheets
| hardness | Test Condition | Test Method | Bonyan Kala Chemie Company/BUP 640 |
|---|---|---|---|
| Babbitt hardness | >35 |
| thermal performance | Test Condition | Test Method | Bonyan Kala Chemie Company/BUP 640 |
|---|---|---|---|
| Hot deformation temperature | HDT | >50 °C | |
| Melting temperature | <170 °C |
| mechanical properties | Test Condition | Test Method | Bonyan Kala Chemie Company/BUP 640 |
|---|---|---|---|
| bending strength | >90.0 MPa | ||
| elongation | Break | >5.0 % | |
| tensile strength | >45.0 MPa |
| Uncured Properties | Test Condition | Test Method | Bonyan Kala Chemie Company/BUP 640 |
|---|---|---|---|
| Curing time | 0.13to0.17 hr | ||
| GelTime | 8.0to10 min | ||
| Solid content | 69to73 % | ||
| viscosity | 25°C | 1.2to1.7 Pa·s |
| Physical properties | Test Condition | Test Method | Bonyan Kala Chemie Company/BUP 640 |
|---|---|---|---|
| acid value | <25.00 mgKOH/g | ||
| Color | Gardner | <0.300 | |
| Shrinkage rate | MD | <1.0 % | |
| Water absorption rate | Equilibrium | <0.30 % |