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KINGFA PBT-NPG30
- Halogen-free V-0 flame retardant PA
- 30% glass fiber reinforced for high strength
- Excellent heat resistance up to 220°C
- Ideal for electrical, lighting, and automotive components
- Non-blooming for superior surface quality
Product Overview
KINGFA PBT-NPG30 is a halogen-free, V-0 flame retardant Polybutylene Terephthalate (PBT) reinforced with 30% glass fiber.
This resin is designed for high-performance applications in electrical, automotive, and industrial sectors where environmental and safety compliance is critical. It provides excellent mechanical strength, heat resistance, and electrical properties, making it ideal for electrical connectors, lighting components, appliance housings, and automotive electrical systems. Additionally, it has low moisture absorption and good dimensional stability, ensuring durability and reliable performance.
Key Properties
Halogen-Free V-0 Flame Retardancy: Environmentally friendly and high safety compliance with UL94 V-0
High Strength & Stiffness: Reinforced with 30% glass fiber for superior mechanical properties
Excellent Heat Resistance: Suitable for high-temperature applications, with an HDT of 220°C
Good Electrical Insulation: Ideal for electrical components and electronic applications
Non-Blooming: Enhances surface quality and ensures long-term stability in components exposed to heat or environmental stress
Typical Applications
Electrical: Connectors, terminals, bobbins, and enclosures
Lighting: Housings, reflectors, and internal components for lighting systems
Appliances: Housings and structural parts for household appliances
Industrial: Flame-retardant components for machinery and equipment
Automotive: Electrical systems, connectors, and components for automotive applications
Technical Data (Typical Values)
Physical Properties
| Property | Value | Test Standard |
|---|---|---|
| Density | 1.55 g/cm³ | ISO 1183 |
| Molding Shrinkage (Flow) | 0.30 % | ISO 2577 |
| Molding Shrinkage (Across Flow) | 0.90 % | ISO 2577 |
| Water Absorption (Equilibrium, 23°C, 50% RH) | 0.060 % | ISO 62 |
Mechanical Properties
| Property | Value | Test Standard |
|---|---|---|
| Tensile Strength | 110 MPa | ISO 527-2/10 |
| Tensile Strain at Break | 2.2 % | ISO 527-2/10 |
| Flexural Strength | 175 MPa | ISO 178 |
| Flexural Modulus | 9500 MPa | ISO 178 |
| Notched Izod Impact (23°C) | 7.8 kJ/m² | ISO 180 |
| Rockwell Hardness (R-Scale) | 120 | ISO 2039-2 |
Thermal Properties
| Property | Value | Test Standard |
|---|---|---|
| HDT (0.45 MPa, Unannealed) | 220 °C | ISO 75-2/B |
| HDT (1.8 MPa, Unannealed) | 208 °C | ISO 75-2/A |
Electrical Properties
| Property | Value | Test Standard |
|---|---|---|
| Volume Resistivity | 1.0 × 10¹⁶ Ω·cm | IEC 60093 |
| Electric Strength (2.0 mm, in oil) | 23 kV/mm | IEC 60243-1 |
Flame Properties
| Property | Value | Test Standard |
|---|---|---|
| UL94 Flame Rating | V-0 | UL 94 |
Processing Guidelines
| Property | Value |
|---|---|
| Drying Temperature | 120–140 °C |
| Drying Time | 4.0–6.0 hr |
| Melt Temperature | 235–255 °C |
| Mold Temperature | 40–120 °C |
| Injection Rate | Moderate–Fast |
Why Choose KINGFA PBT-NPG30
Halogen-Free V-0 Flame Retardancy: Complies with UL94 V-0 for electrical and industrial safety
High Strength & Stiffness: Ideal for demanding applications, offering excellent mechanical performance
Excellent Heat Resistance: HDT up to 220°C, making it suitable for high-temperature environments
Good Electrical Insulation: High volume resistivity and electric strength for reliable performance in electrical components
Non-Blooming: Ensures better surface quality and durability for long-term use
