Polycarbonate-polybutylene terephthalate (PC-PBT) is a thermoplastic blend that combines the desirable properties of polycarbonate (PC) and polybutylene terephthalate (PBT). It offers excellent impact resistance, heat resistance, dimensional stability, and chemical resistance.
Neway utilizes various grades of PC-PBT for injection molding, including:
PC-PBT Blend Grade A
PC-PBT Blend Grade B
PC-PBT Blend Grade C
PC-PBT Flame Retardant Grade
PC-PBT High-Heat Grade
Injection-molded PC-PBT grades present unique combinations of strength, heat resistance, and electrical properties, catering to diverse applications and ensuring optimal performance for your plastic injection molding parts.
Grade | Key Features | Applications |
---|---|---|
PC-PBT Blend Grade A | Excellent impact resistance, chemical resistance | Automotive interior components, electrical enclosures |
PC-PBT Blend Grade B | High flow, good thermal stability | Thin-walled parts, connectors, electronic housings |
PC-PBT Blend Grade C | Good dimensional stability, low warpage | Gears, automotive under-the-hood components |
PC-PBT Flame Retardant | Flame retardant, self-extinguishing | Electrical connectors, appliances, safety equipment |
PC-PBT High-Heat Grade | Exceptional heat resistance, high strength | Automotive lighting, under-the-hood applications |
Property | Density (g/cm³) | Tensile Strength (MPa) | Tensile Elongation (%) | Flexural Modulus (MPa) | Flexural Strength (MPa) | Izod Impact Strength (J/m) | Heat Deflection Temperature (°C) | Shrinkage (%) | Hardness (Rockwell R) |
---|---|---|---|---|---|---|---|---|---|
PC-PBT Blend Grade A | 1.30 | 70 | 30 | 2,000 | 90 | 150 | 100 | 0.3 - 0.5 | 90 |
PC-PBT Blend Grade B | 1.34 | 65 | 50 | 2,500 | 85 | 200 | 110 | 0.2 - 0.4 | 85 |
PC-PBT Blend Grade C | 1.29 | 75 | 20 | 1,800 | 95 | 120 | 95 | 0.4 - 0.6 | 95 |
PC-PBT Flame Retardant Grade | 1.38 | 60 | 40 | 2,800 | 80 | 180 | 120 | 0.2 - 0.3 | 80 |
PC-PBT High-Heat Grade | 1.36 | 80 | 15 | 3,200 | 110 | 250 | 150 | 0.1 - 0.2 | 100 |
High Impact Strength: PC-PBT Blend Grade A offers excellent impact resistance, making it suitable for durable and tough applications. It's often used in automotive interior components like dashboard parts.
Good Heat Resistance: This grade exhibits suitable heat deflection temperature, allowing it to withstand elevated temperatures. It's a choice for parts in electrical enclosures and lighting fixtures.
Low Shrinkage: Low shrinkage properties make it ideal for producing intricate and precise components, including connectors and housings for electronic devices.
PC-PBT Blend Grade B
High Tensile Strength: Grade B boasts high tensile strength, making it suitable for load-bearing components in various applications, such as structural brackets in construction.
Enhanced Tensile Elongation: This grade offers improved elongation, providing flexibility in parts. It's used in applications requiring some flexibility, like automotive air ducts.
Excellent Flame Retardancy: It possesses excellent flame-retardant properties, making it a choice for components in electronics, especially those requiring compliance with fire safety regulations.
PC-PBT Blend Grade C
Low Shrinkage: Grade C's low shrinkage characteristics are valuable for maintaining tight tolerances in precision parts. It's commonly used in manufacturing gears and connectors for industrial equipment.
Moderate Tensile Strength: It balances strength and flexibility, making it suitable for components like handles and grips, where strength and ergonomic design are essential.
Good Chemical Resistance: This grade exhibits resistance to chemicals, making it appropriate for components in contact with various substances, such as chemical containers and pumps.
PC-PBT Flame Retardant Grade
Superior Flame Resistance: This grade excels in flame resistance, meeting stringent fire safety requirements. It's employed in applications where fire safety is paramount, like electrical enclosures and connectors in construction and transportation.
High Heat Deflection Temperature: Its elevated heat deflection temperature allows it to withstand high temperatures, making it a choice for parts in engine compartments of vehicles and industrial machinery.
Low Shrinkage: With low shrinkage properties, it's used in precision parts manufacturing, such as connectors and sockets in electrical equipment.
PC-PBT High-Heat Grade
Exceptional Heat Resistance: This grade offers outstanding heat resistance, making it suitable for applications exposed to extreme temperatures, like automotive under-the-hood components and high-temperature industrial machinery parts.
High Tensile Strength: It boasts high tensile strength, contributing to the structural integrity of components subjected to heavy loads, such as gears and bearings.
Excellent Impact Resistance: Despite its heat-resistant properties, this grade maintains good impact resistance, making it versatile for various applications, including aerospace components and power tool housings.
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