Polycarbonate (PC) Injection Molding

High-Performance Plastic Manufacturing with Superior Clarity and Impact Resistance

Professional polycarbonate injection molding services delivering exceptional transparency, durability, and dimensional stability for demanding applications across automotive, electronics, medical, and consumer industries.

Polycarbonate Injection Molding

Polycarbonate Injection Molding Excellence

Polycarbonate (PC) injection molding combines exceptional optical clarity with outstanding mechanical properties, making it ideal for applications requiring transparency, impact resistance, and dimensional stability.

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Optical Clarity

Superior transparency with light transmission up to 90%

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Impact Resistance

Excellent toughness and durability under stress

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Heat Resistance

High temperature stability up to 130°C

Electrical Properties

Excellent dielectric strength and insulation

Polycarbonate Injection Molding Process

Our advanced polycarbonate injection molding process ensures consistent quality, precise dimensions, and optimal material properties for your applications.

01

Material Preparation

PC pellets are dried at 120°C for 4-6 hours to remove moisture, ensuring optimal processing conditions and preventing defects.

02

Mold Design & Setup

Specialized mold design with proper venting, cooling channels, and gate placement for optimal flow and part quality.

03

Injection Molding

Precise temperature control (280-320°C) and pressure management for consistent material flow and part formation.

04

Cooling & Ejection

Controlled cooling process to prevent warping and ensure dimensional stability before part ejection.

05

Post-Processing

Secondary operations including trimming, assembly, and surface treatments as required.

06

Quality Inspection

Comprehensive testing for dimensional accuracy, optical properties, and mechanical performance.

Polycarbonate Grades for Injection Molding

We offer various polycarbonate grades optimized for different applications and performance requirements.

General Purpose PC

Up to 120°C

Key Properties:

  • High transparency
  • Good impact resistance
  • Excellent dimensional stability

Applications:

  • Automotive lenses
  • Electronic housings
  • Consumer products

High Heat PC

Up to 140°C

Key Properties:

  • Enhanced heat resistance
  • Improved dimensional stability
  • Better creep resistance

Applications:

  • Automotive under-hood
  • Electrical components
  • Industrial equipment

Optical Grade PC

Up to 110°C

Key Properties:

  • Ultra-high clarity
  • Low birefringence
  • Excellent light transmission

Applications:

  • Optical lenses
  • Display covers
  • Lighting components

Flame Retardant PC

Up to 125°C

Key Properties:

  • UL94 V-0/V-2 rating
  • Good electrical properties
  • Maintained transparency

Applications:

  • Electrical enclosures
  • Automotive interior
  • Consumer electronics

Polycarbonate Injection Molding Applications

Polycarbonate's unique combination of properties makes it suitable for diverse applications across multiple industries.

Automotive

  • Headlight and taillight lenses
  • Instrument panel covers
  • Interior trim components
  • Exterior body panels
  • Electrical connectors

Electronics

  • Mobile phone housings
  • Laptop and tablet cases
  • Display covers and screens
  • Electrical enclosures
  • Connector housings

Medical

  • Medical device housings
  • Surgical instruments
  • Diagnostic equipment
  • Drug delivery systems
  • Laboratory equipment

Consumer Products

  • Safety glasses and goggles
  • Water bottles and containers
  • Kitchen appliances
  • Toys and sporting goods
  • Home improvement products

Advantages of Polycarbonate Injection Molding

Polycarbonate injection molding offers numerous benefits that make it an excellent choice for demanding applications.

Superior Optical Properties

Excellent light transmission (up to 90%) with minimal color distortion and high clarity for optical applications.

Outstanding Impact Resistance

Exceptional toughness and durability, making it ideal for safety applications and harsh environments.

High Temperature Stability

Maintains mechanical properties at elevated temperatures up to 130°C for extended periods.

Excellent Dimensional Stability

Low moisture absorption and minimal dimensional changes under varying environmental conditions.

Good Electrical Properties

Excellent dielectric strength and electrical insulation properties for electronic applications.

Design Flexibility

Complex geometries and thin walls can be molded with high precision and consistency.

Quality Control & Testing

Our comprehensive quality control system ensures every polycarbonate injection molded part meets the highest standards.

Material Testing

  • Moisture content analysis
  • Melt flow index testing
  • Thermal property evaluation

Process Monitoring

  • Real-time temperature control
  • Pressure monitoring
  • Cycle time optimization

Dimensional Inspection

  • 3D coordinate measurement
  • Optical inspection
  • Surface finish analysis

Performance Testing

  • Impact resistance testing
  • Optical property measurement
  • Environmental stress testing

Technical Specifications

Our polycarbonate injection molding capabilities meet the most demanding technical requirements.

Material Properties

Tensile Strength55-75 MPa
Flexural Modulus2.3-2.4 GPa
Impact Strength60-90 kJ/m²
Heat Deflection Temperature130-140°C

Processing Parameters

Melt Temperature280-320°C
Mold Temperature80-120°C
Injection Pressure80-120 MPa
Cycle Time20-60 seconds

Part Capabilities

Wall Thickness0.5-10 mm
Part SizeUp to 500 x 500 x 300 mm
Tolerance±0.1-0.3 mm
Surface FinishRa 0.1-3.2 μm

Frequently Asked Questions

Common questions about polycarbonate injection molding services and capabilities.

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Contact Us

  • Email: [email protected]
  • Address: 11 Longjiangyi Rd, Dong Guan Shi, Guangdong Province, China, 523690

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