SABIC LEXAN FR 945 Hot Sale PC Resin
LEXAN™ FR 945 by SABIC is a non-filled, injection-moldable polycarbonate (PC) resin designed for applications requiring flame retardancy, mechanical strength, and dimensional stability.
Physical Properties
- Specific Gravity: The specific gravity of the material is 1.19 g/cc, measured in accordance with ASTM D792.
- Water Absorption: After 24 hours, as per ASTM D570, the water absorption is 0.15 %.
- Moisture Absorption: At 50% relative humidity (RH) for 24 hours, based on ASTM D570, the moisture absorption is 0.150 %.
- Moisture Absorption at Equilibrium: According to ASTM D570, the moisture absorption at equilibrium is 0.23 %.
- Linear Mold Shrinkage, Flow: Using the SABIC method, for a thickness of 3.20 mm (0.126 in), the linear mold shrinkage in the flow direction ranges from 0.0060 – 0.0080 cm/cm (0.0060 – 0.0080 in/in).
- Melt Flow: Under a load of 1.20 kg (2.65 lb) at 300 °C (572 °F), the melt flow rate is 10 g/10 min, as determined by ASTM D1238.
Polymer Properties:
- Base Material: Polycarbonate (PC)
- Modification Features:
- Non – chlorinated and non – brominated flame retardant formulation for safety.
- Medium flow characteristic suitable for injection molding process.
- Available in various opaque color options for aesthetic flexibility.
Applications:
LEXAN 945’s combination of flame retardancy, impact resistance, and dimensional stability makes it ideal for demanding applications across multiple industries. Below are key applications with justifications based on its properties:
- Electrical and Electronics:
- Use Case: Housings for electrical connectors, insulators, and enclosures for consumer electronics.
- Example: Enclosures for power supplies or battery management systems, where flame retardancy and dimensional stability are critical.
- Automotive:
- Use Case: Interior components, such as dashboard panels, and exterior parts like lighting fixtures.
- Why Suitable: Its high impact resistance and dimensional stability ensure durability under mechanical stress and temperature fluctuations. The material’s ability to withstand UV exposure and weathering supports outdoor applications.
- Example: Automotive lighting bezels, where opaque color options enhance aesthetics and flame retardancy ensures safety.
- Construction:
- Use Case: Cladding, roofing sheets, and structural components.
- Why Suitable: The high HDT ensure stability in varying environmental conditions. Its non-chlorinated, non-brominated formulation aligns with environmental regulations, making it a sustainable choice for construction.
- Example: Protective panels in commercial buildings, where flame retardancy and impact resistance are essential.
- Safety Equipment:
- Use Case: Protective covers for industrial equipment or safety gear housings.
- Why Suitable: The material’s high impact strength and flame-retardant properties (UL-94 V0) provide safety in hazardous environments. Its dimensional stability ensures consistent performance in precision-molded parts.
- Example: Housings for fire alarms or safety switches, where reliability and fire resistance are paramount.
- General-Purpose Applications:
- Use Case: Miscellaneous injection-molded components for appliances, telecommunications, and industrial equipment.
- Why Suitable: The MFR of 10 g/10 min and MVR of 10 cm³/10 min facilitate easy processing, while the non-filled nature reduces material costs without compromising performance. Opaque color options allow for design flexibility.
- Example: Appliance housings, such as washing machine control panels, where SABIC’s materials are chosen for efficiency and reliability.
Compliance and Certifications
- UL Certification: UL-94 V0 at 0.8 mm and 5VA at 3.0 mm, verified by Underwriter Laboratories (UL) testing protocols.
- Environmental Compliance: Non-chlorinated and non-brominated formulation, aligning with RoHS and REACH regulations.
- FMVSS302: Meets automotive flammability standards, as noted in SABIC’s documentation.