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PC – Polycarbonate
Description
Polycarbonate is a relatively tough, strong and rigid material and exhibits great dimension stability within a large temperature range. The great toughness means that when impacted it is almost impossible to induce fractures in the material. PC is used for articles such as glasses, protective helmets, CDs, toys, lenses, etc.
The secondary brand PC (polycarbonate) raw material is a relatively economical polycarbonate material, usually used in applications where performance requirements are not as strict as mainstream products. Here are some key product introduction points for sub brand PC raw materials:
Material characteristics:
Good mechanical performance: Although slightly lower in strength compared to high-end PC materials, it still has good impact resistance and toughness.
Moderate transparency: With high light transmittance, it is suitable for applications that require a certain level of transparency.
Processing stability: It performs well during the processing and is suitable for large-scale production.
Processing performance:
Easy to form: It can be produced through common processing techniques such as injection molding and extrusion, adapting to various production needs.
Cost effectiveness: Compared to high-end PC materials, secondary PC has certain cost advantages and is suitable for large-scale production.
PC resin
Item | Unit | Test method | Test conditions | offgrade |
Model | ||||
Melt Index | g/10 min | ASTM D-1238 | 300℃×1.2kg | 22 |
IZOD impact strength | kg-cm/cm | ASTM D-256 | 23 ℃ 3.2mm | 55 |
specific gravity | - | ASTM D-792 | 23℃/23℃ | 1.02 |
Tensile strength | kg/cm² | ASTM D-638 | 23 ℃ | 620 |
Flexural strength | kg/cm² | ASTM D-790 | 23 ℃ | 980 |
Bending modulus | kg/cm² | ASTM D-790 | 23 ℃ | 20000 |
Rockwell hardness | R-scale | ASTM D-785 | 23 ℃ | R-121 |
Sanitary softening point | ℃ | ASTM D-1525 | VICAT(10N ℃) | 110 |
Heat deflection temperature | ℃ | ASTM D-648 | Unannealed 18.6 kg/cm² (1.8MPa)(3.2mm) | 96 |
Shrinkage | % | ASTM D-955 | 3.2mm | 0.4 ~ 0.6 |
combustibility | UL-94 | File No. E162823 | v-0 0.6 ~ 2.6 mm |
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