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KINGFA PP API-CG318
- High mechanical strength with 65 MPa tensile strength
- Excellent thermal resistance with 140°C HDT
- Low shrinkage for precision parts
- Good impact resistance with 10 kJ/m² Izod impact
- Superior electrical insulation for safe use
Product Overview
Kingfa PP API-CG318 is a glass fiber reinforced polypropylene (PP) resin produced by Kingfa Scientific and Technological Co., Ltd.
This material is designed to provide high stiffness, strength, and dimensional stability, making it ideal for applications requiring precision and durability. With 30% glass fiber reinforcement, it enhances mechanical properties and thermal resistance, while maintaining good processability for high-volume injection molding.
PP API-CG318 is widely used in automotive under-hood components, electrical enclosures, industrial equipment parts, and structural components.
Key Properties
Physical Properties
| Property | Value | Test Standard |
|---|---|---|
| Density | 1.12 g/cm³ | ISO 1183 |
| Shrinkage (Flow) | 0.3 % | ISO 294 |
| Shrinkage (xFlow) | 0.9 % | ISO 294 |
| Melt Index (230°C, 2.16kg) | 3.5 g/10min | ISO 1133 |
| Ash (850°C) | 30 % | ISO 3451 |
Mechanical Properties
| Property | Value | Test Standard |
|---|---|---|
| Tensile Strength (23°C) | 65 MPa | ISO 527 |
| Elongation (23°C) | 3.2 % | ISO 527 |
| Flexural Strength (23°C) | 95 MPa | ISO 178 |
| Flexural Modulus (23°C) | 4500 MPa | ISO 178 |
| Izod Notch Impact (23°C) | 10 kJ/m² | ISO 180 |
| Rockwell Hardness (R Scale) | 108 | ISO 2039 |
Thermal Properties
| Property | Value | Test Standard |
|---|---|---|
| Heat Deflection Temperature (0.45 MPa) | 150 °C | ISO 75 |
| Heat Deflection Temperature (1.8 MPa) | 140 °C | ISO 75 |
Electrical Properties
| Property | Value | Test Standard |
|---|---|---|
| Volume Resistivity | 1E+16 Ω·cm | IEC 60093 |
Flammability
| Property | Value | Test Standard |
|---|---|---|
| Flame Rating (3.2mm) | HB | UL 94 |
Key Benefits
Enhanced Mechanical Properties: Provides 65 MPa tensile strength and 95 MPa flexural strength for stronger, stiffer components.
Excellent Thermal Resistance: 140°C HDT at 1.8 MPa ensures reliable performance in high-temperature environments.
Low Shrinkage: 0.3% flow shrinkage and 0.9% xFlow shrinkage offer predictable dimensional stability.
Good Impact Resistance: 10 kJ/m² Izod impact for durable performance in impact-prone applications.
Superior Electrical Insulation: High volume resistivity for electrical components requiring insulation.
Typical Applications
Automotive Under-Hood Components: Engine parts, radiator housings, and other automotive under-hood components that require high stiffness and thermal stability.
Electrical Enclosures and Housings: Housings for electrical equipment, connector covers, and insulation parts.
Industrial Equipment Parts: Structural components, frames, and brackets for machinery and industrial systems.
Appliance Components: Covers, frames, and internal parts for home appliances like microwaves and washing machines.
General-Purpose Structural Parts: Precision parts for engineering and manufacturing applications that require stiffness, strength, and dimensional stability.
Why Choose KINGFA PP API-CG318
High Stiffness and Strength: 65 MPa tensile strength and 95 MPa flexural strength for rigid, durable parts.
Excellent Thermal Stability: 140°C heat deflection temperature ensures performance in high-temperature environments.
Low Shrinkage: 0.3% shrinkage for consistent and precise molding.
Good Impact Resistance: 10 kJ/m² impact strength for long-lasting durability.
Superior Electrical Insulation: 1E+16 Ω·cm volume resistivity makes it ideal for electrical components.