Abs75
Abs75
1 Classification
General purpose>Extrusion grade
2 Characteristic
Extrusion grade, High rigidity& high impact strength
3 Application
Refrigerator interior container and door liner(cyclopentane Blowing agent use) and etc
| Property | Test method (ASTM) | Test condition | Unit | Typical Value | ABS-28 Specification |
| Izod impact | D-256 | 6.4 mm , notched | Kj/m² | 36 | Min33 |
| Melt flow index | D-1238 |
220ºc , 10 kg |
gr/10 min |
6.5 |
4-10 |
| Rock well hardness | D-785 | ........ | R-scale | 107 | 95-115 |
| HDT | D-648 | 1.82 m pa | ºc | 88 | Min84 |
| Vicat softening Temp | D-1525 | 5kg/50°c | ºc | 98 | Min 93 |
| Tensile strength | D-638 | 23ºc , 50 mm/min | Kg/cm² | 445 | Min 400 |
| Tensile elongation | D-638 | 23ºc , 50 mm/min | % | 30 | Min 25 |
| Flexural strength | D-790 | 23ºc , 50 mm/min | Kg/cm² | 640 | Min 650 |
| Flexural Modulus | D-790 | 23ºc , 50 mm/min | Kg/cm² | 21000 | Min 18000 |
| Specific Gravity | D-792 | 23ºc | .. | 1.04 | 1.04 |
| Molding Shrinkage | D-955 | … | % | 0.4-0.7 | 0.4-0.7 |
| Flammability | Ul94 | 1/8inch(3.2mm) | … | HB | HB |
TYPICAL ABS PROCESSING CONDITIONS:
DRYING: it is recommended that GBPC ABS Resins be dried at (80-85°c)for 3 hours.
Extruder with one-stage or two-stage venting and Gear pump are recommended for extrusion of sheet.
| Zone 1(°c) | Zone 2(°c) | Zone 3(°c) | Zone 4(°c) | Zone 5(°c) | Zone 6(°c) | Zone 7(°c) |
| 190-210 | 210-230 | 220-240 | 225-245 | 225-245 | 225-245 | 225-245 |
| Adapter(°c) | Outer Die zone(°c) | Mid Die zone(°c) | Center Die zone(°c) | Screen Pack Mesh (2layer) |
| 225-245 | 230-245 | 220-240 | 220-240 | #40 / #80 / #80 / #40 |
| Nip Roll Top(°c) | Nip Roll Middle(°c) |
Nip Roll Bottom(°c)
|
Die Lip Thickness(mm)
|
Head pressure
|
| 50-70 | 60-80 |
70-90
|
3.2-4.0
|
140 bar
|
