LCF40 PPS High Temperature Plastic
Product Overview
LCF40 PPS is a high-performance composite based on polyphenylene sulfide (PPS), reinforced with approximately 40% long carbon fiber. It is designed for structural components requiring high stiffness, thermal resistance, and dimensional stability.
The material enables stable performance under mechanical load, elevated temperature, and chemically aggressive environments, making it suitable for precision-engineered applications.
Material Structure
Matrix: Polyphenylene Sulfide (PPS)
Reinforcement: Long Carbon Fiber
Fiber Content: 40%
Form: Pellets
Structural Characteristics:
Long fiber network structure
Strong fiber-matrix bonding
Reduced crack propagation
Improved stress transfer
Performance Profile
The LCF40 PPS has undergone a series of upgrades and now boasts excellent performance in all aspects. In terms of application, it has even greater performance advantages.
Mechanical
High tensile strength
High rigidity
Improved impact resistance
Excellent fatigue resistance
High creep resistance
Thermal
Continuous use: >200°C
High HDT
Low CTE
Thermal aging resistant
Dimensional
Low shrinkage
Low warpage
High precision retention
Stable under load and heat
Chemical & Environmental
Resistant to fuels, oils
Resistant to solvents
Resistant to chemicals
Low moisture absorption
Corrosion-free
Typical performance range
Physical Typical Characteristic Testing Standard
|
Specific Gravity
|
1.20-1.50 |
g/cm³
|
ASTM D-792
|
|
Tensile Strength
|
2000-220 |
MPa
|
ASTM D-638
|
|
Tensile Modulus
|
25000-26000 |
MPa
|
ASTM D-638
|
|
Flexural Strength
|
290-310 |
MPa
|
ASTM D-790
|
|
Flexural Modulus
|
14500-16500 |
MPa
|
ASTM D-790
|
|
Notched Izod Impact
|
190-200 |
J/m
|
ASTM D-256
|
|
Deflection Temperature(1.8MPa)
|
260-280 |
°C
|
ISO 75-2
|
|
Mould temperature
|
100-120 |
°C
|
Flow and Mold Design
Applicable to structural components
The flow direction affects the fiber orientation
It is recommended to adopt a balanced flow channel design
It is suggested to have a larger gate
Avoid sharp corners
Application Fields and Typical Components
Automotive industry
Engine compartment structural support
Pump housing and impeller
Thermostat housing
Fuel system module (pump assembly/connectors)
Transmission structural components
EGR (Exhaust Gas Recirculation) system housing
Electrical and Electronics Industry
Precision connector housing
Coil frame (winding support component)
Relay structural components
Internal components of the circuit breaker
Sensor housing
Industrial Equipment
Pump impeller and pump casing
Compressor structural components
Valve body and valve components
Bearing cage
Equipment structural support components
Aerospace and Lightweight Structures
Internal structural support framework
Cable management component (fixture/ guide piece)
Air ducts and airflow components
Functional support structural components
Consumer and Professional Equipment
Electrical tool structural components (housing/support parts)
Precision instrument structural framework
High-performance internal structural components of household appliances
Mechanical transmission-related components
LCF40 PPS plastic pellet represents a high-performance composite solution combining the inherent stability of PPS with the structural advantages of long carbon fiber reinforcement. Its balanced profile of mechanical strength, thermal resistance, and dimensional stability makes it suitable for precision-engineered components across multiple demanding applications.
FAQ
Q: What is the main difference between LCF40 PPS and SCF40 PPS?
A: Long carbon fibers can form a more effective load-bearing network, enhancing strength, impact resistance and fatigue resistance; short fibers only provide local reinforcement.
Q: What is the temperature range within which the material can be used for a long time?
A: It can be used for a long time at temperatures above 200°C. It can withstand higher temperatures for a short period, depending on the load and the usage environment.
Q: Is LCF40 PPS suitable for use in moving or frictional components?
A: Suitable for medium and low-speed, low-wear scenarios; for high-load or high-speed conditions, it is recommended to be combined with lubrication or modification.
Q: Does the material exhibit anisotropy?
A: Exist. The fibers are arranged along the flow direction. When designing, it is necessary to ensure that the main force direction is consistent with the flow direction.
LCF40 PPS is a high-performance engineering composite material that combines the advantages of long carbon fiber reinforcement and PPS matrix. It achieves a good balance among mechanical properties, heat resistance, and dimensional stability, meeting the high-strength and high-precision application requirements of various industries. Under reasonable design and processing conditions, it can provide stable and reliable material solutions for complex structural components.
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