CHIMEI POLYLAC PA758 is a transparent ABS resin characterized by high light transmission, excellent flowability, and good mechanical strength. This grade is specifically designed for injection molding applications requiring clarity, such as household appliances, computer peripherals, and medical device housings. Technical Data Sheets (TDS) and certifications are available.
| Manufacturer | Chimei |
|---|---|
| Density | 1.08 g/cm³ |
| MFR | 3.0 g/10min |
| Tensile Strength at Yield | 42.0 MPa |
| Tensile Strength at Break | 33.0 MPa |
Note: See the product description for additional technical specifications
Chimei PA758 ABS Resin is a high-transparency grade ABS (Acrylonitrile Butadiene Styrene) engineering plastic developed by Chimei, specifically designed for industrial rollers, transparent structural parts, and applications requiring excellent appearance. It combines outstanding transparency, good impact resistance, and stable processing performance.
High Transparency Performance: Ideal for industrial rollers and transparent components with strict appearance requirements
Excellent Impact Strength: Maintains stable performance under dynamic conditions
Good Processability: Suitable for injection molding, improving production efficiency
As a professional engineering plastics supplier, ZiJun Plastics specializes in the global supply of ABS, PA, PC, and other high-performance materials, providing stable supply, technical support, and customized solutions.
| Property | Value | Test Method | Condition |
| Density | 1.08 g/cm³ | ISO 1183 | 23°C |
| Melt Flow Rate (MFR) | 3.0 g/10min | ISO 1133 | 220°C / 5kg |
| Tensile Strength at Yield | 42.0 MPa | ISO 527-2/50 | 50 mm/min |
| Tensile Strength at Break | 33.0 MPa | ISO 527-2/50 | 50 mm/min |
| Elongation at Break | 40 % | ISO 527-2/50 | 50 mm/min |
| Flexural Modulus | 1900 MPa | ISO 178 | 2 mm/min |
ASTM D1238: Used to measure melt flow rate (MFR) under 220°C / 10kg
ASTM D638: Standard method for tensile properties
ASTM D256: Evaluates impact resistance
ASTM D648: Measures heat deflection temperature under load
Note: The above data are typical values for reference in engineering selection.
Chimei PA758 ABS is widely used in various industrial sectors due to its high transparency and balanced mechanical performance:
Transparent instrument panels
Interior decorative transparent parts
Light-duty structural components
Advantage: High impact resistance and excellent surface appearance for complex parts
Conveyor rollers
Guide wheels for automation equipment
Logistics system components
Advantage: Smooth surface and durability reduce wear and noise
Transparent housings
LED covers
Control panels
Advantage: High light transmission and easy processing for precision molding
Premium display boxes
Cosmetic packaging
Transparent containers
Advantage: Enhances product visual appeal with high clarity
| Comparison Item | ABS (PA758) | PP (Polypropylene) |
| Transparency | High | Semi-transparent |
| Impact Strength | Excellent | Moderate |
| Cost | Medium | Low |
| Surface Finish | High gloss | Standard |
Conclusion: ABS is preferred for performance and appearance, while PP is suitable for cost-sensitive applications.
| Comparison Item | ABS PA758 | PC (Polycarbonate) |
| Transparency | High | Very High |
| Impact Resistance | Good | Excellent |
| Processing Difficulty | Easy | More difficult |
| Cost | Lower | Higher |
Conclusion: PA758 offers a strong balance between cost and performance, making it a cost-effective alternative.
| Parameter | Recommended Range |
| Drying Temperature | 80–90°C |
| Drying Time | 2–4 hours |
| Melt Temperature | 200–240°C |
| Mold Temperature | 40–70°C |
| Injection Pressure | 60–100 MPa |
Use a dehumidifying dryer to prevent moisture-related defects
Control mold temperature to reduce internal stress and flow marks
Avoid excessive shear to prevent material degradation
Use polished molds to achieve better transparency
1. Is Chimei PA758 ABS truly transparent?
Yes, it is a high-transparency ABS grade with significantly better clarity than standard ABS, suitable for high-appearance applications.
2. Is PA758 suitable for industrial rollers?
Yes, it offers excellent impact resistance and smooth surface properties, reducing friction and wear.
3. Why choose PA758 instead of PC?
PA758 is more cost-effective and easier to process while still maintaining high transparency.
4. Is drying required before processing?
Yes, drying is recommended to avoid defects such as bubbles and silver streaks, ensuring product quality.
5. Can you provide stable bulk supply?
ZiJun Plastics offers long-term stable supply and technical support, including material selection and alternatives.
