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KHBT1120
- 20% glass fiber reinforced PBT
- High strength and stiffness for demanding applications
- Excellent thermal resistance up to 225°C
- Good electrical insulation for safe electrical components
- Low moisture absorption for consistent performance
- Ideal for automotive, electrical, and industrial applications
Product Overview
KHBT1120 is a 20% glass fiber reinforced Polybutylene Terephthalate (PBT) resin developed for injection molding applications.
This material provides high strength, good thermal resistance, and excellent electrical properties, making it suitable for demanding applications in the electronics, automotive, and electrical industries.
KHBT1120 is specifically designed for parts that require durability, precise molding, and excellent performance under high heat conditions, such as electrical connectors, circuit breakers, and automotive electrical components.
Key Properties
20% Glass Fiber Reinforced: Provides high strength and stiffness for durable components
Good Thermal Resistance: High Heat Distortion Temperature (HDT) of 198°C and a melting temperature of 225°C
Excellent Electrical Insulation: High dielectric strength and low dielectric constant for reliable performance in electrical applications
Good Flowability & Surface Finish: Balanced melt flow ensures easy molding and good part appearance
Low Moisture Absorption: Ensures dimensional stability in humid environments, reducing post-processing time
Typical Applications
Electrical Connectors and Sockets: Reliable components for electrical systems
Switches and Circuit Breaker Components: High-strength, flame-retardant parts
Automotive Electrical Parts: Connectors, relays, and sensor housings for the automotive industry
Sensor Housings & Insulators: Protective components for sensitive electronics
Household Appliance Components: Structural parts for appliances requiring high durability
Technical Data (Typical Values)
Physical Properties
| Property | Value | Test Standard |
|---|---|---|
| Filler Content | 20–22 % | ISO 3451 |
| Density | 1.41–1.46 g/cm³ | ISO 1183 |
| Molding Shrinkage (Flow) | 0.2–0.6 % | ISO 294-4 |
| Molding Shrinkage (Across Flow) | 0.8–1.6 % | ISO 294-4 |
| Saturated Water Absorption | 0.2 % | ISO 62 |
| Melt Flow Index (250°C, 2.16 kg) | 10–30 g/10 min | ISO 1133 |
Mechanical Properties
| Property | Value | Test Standard |
|---|---|---|
| Tensile Strength (50 mm/min) | 130 MPa | ISO 527 |
| Elongation at Break (50 mm/min) | 4.0 % | ISO 527 |
| Flexural Strength (2 mm/min) | 170 MPa | ISO 178 |
| Flexural Modulus (2 mm/min) | 5600 MPa | ISO 178 |
| Impact Strength, Notched | 11 kJ/m² | ISO 180 |
| Impact Strength, Unnotched | 59 kJ/m² | ISO 180 |
Thermal Properties
| Property | Value | Test Standard |
|---|---|---|
| Heat Distortion Temperature (1.8 MPa) | 198 °C | ISO 75 |
| Melting Temperature | 225 °C | ISO 11357 |
Why Choose KHBT1120
20% Glass Fiber Reinforced: Provides high mechanical strength and stiffness for durable components
Excellent Thermal Resistance: HDT of 198°C and a melting point of 225°C for demanding applications
Good Electrical Insulation: High dielectric strength and low dielectric constant
Good Flowability: Ideal for high-throughput injection molding and good part surface finish
Low Moisture Absorption: Ensures dimensional stability and reliable performance in humid conditions
