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KINGFA PBT-RG301
- V-0 flame retardant PBT
- 30% glass fiber reinforced for strength and stability
- Excellent heat resistance up to 220°C
- Ideal for electrical, automotive, and industrial applications
- Non-blooming for superior surface quality
Product Overview
KINGFA PBT-RG301 is a 30% glass fiber reinforced Polybutylene Terephthalate (PBT) resin that combines high mechanical strength, excellent heat resistance, good electrical properties, and non-blooming characteristics.
This material is specifically designed for high-performance applications in electrical, automotive, and industrial sectors, where flame retardancy, high strength, and dimensional stability are essential.
It meets UL94 V-0 flame retardancy requirements, making it ideal for relays, connectors, cooling fan blades, appliance components, and electrical enclosures.
Key Properties
V-0 Flame Retardancy: Meets UL94 V-0 standards for electrical and industrial safety
30% Glass Fiber Reinforced: Provides high mechanical strength and stiffness
Excellent Heat Resistance: Suitable for high-temperature environments, with an HDT of 220°C
Good Electrical Insulation: High volume resistivity and dielectric strength
Non-Blooming: Ensures enhanced surface quality and long-term stability
Typical Applications
Electrical: Relays, connectors, terminal blocks, electrical enclosures
Automotive: Cooling fan blades, housings, electrical components
Appliances: Bobbins, coil formers, motor parts, housings
Industrial: Structural components and parts requiring flame resistance and durability
Technical Data (Typical Values)
Physical Properties
| Property | Value | Test Standard |
|---|---|---|
| Density | 1.62 g/cm³ | ISO 1183-1 |
| Glass Fiber Content | 30 % | ISO 3451/1 |
| Molding Shrinkage (Flow) | 0.30 % | ISO 2577 |
| Molding Shrinkage (Across Flow) | 0.90 % | ISO 2577 |
| Water Absorption (Equilibrium, 23°C/50% RH) | 0.06 % | ISO 62 |
Mechanical Properties
| Property | Value | Test Standard |
|---|---|---|
| Tensile Strength | 125 MPa | ISO 527-2 |
| Tensile Strain at Break | 2.6 % | ISO 527-2 |
| Flexural Strength | 190 MPa | ISO 178 |
| Flexural Modulus | 9500 MPa | ISO 178 |
| Notched Izod Impact (23°C) | 8.5 kJ/m² | ISO 180 |
| Rockwell Hardness (R-Scale) | 120 | ISO 2039-2 |
Thermal Properties
| Property | Value | Test Standard |
|---|---|---|
| HDT (0.45 MPa) | 220 °C | ISO 75-2 |
| HDT (1.80 MPa) | 210 °C | ISO 75-2 |
Electrical Properties
| Property | Value | Test Standard |
|---|---|---|
| Volume Resistivity | 10¹⁶ Ω·cm | IEC 60093 |
| Dielectric Strength (1 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 |
|---|---|
| Melt Temperature | 240–260 °C |
| Mold Temperature | 40–120 °C |
| Drying Conditions | 120–140 °C, 4–6 hr |
| Injection Speed | Moderate to High |
Why Choose KINGFA PBT-RG301
V-0 Flame Retardancy: Meets UL94 V-0 for high safety in electrical and industrial components
30% Glass Fiber Reinforced: Provides superior mechanical strength and dimensional stability
Excellent Heat Resistance: HDT up to 220°C, making it suitable for high-temperature applications
Good Electrical Insulation: High dielectric strength and volume resistivity for reliable performance
Non-Blooming: Ensures enhanced surface quality and long-term stability
