Why Electrical Equipment Manufacturers Rely on Glass-Reinforced Polycarbonate

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Electrical equipment manufacturers must select materials that can withstand mechanical loads, elevated temperatures and demanding operating conditions while maintaining dimensional accuracy and electrical insulation. Glass-reinforced polycarbonate (PC) addresses these requirements by combining polycarbonate resin with glass-fibre reinforcement. The resulting material offers increased stiffness, improved dimensional stability and heat resistance compared with unreinforced polycarbonate, making it suitable for a range of electrical and industrial components.


Kapoor Sales Corporation supplies glass-filled LEXAN™ polycarbonate grades from SABIC Innovative Plastics India Pvt. Ltd., with reinforcement levels and flame-retardant formulations for different manufacturing requirements.

Why Glass-Filled Polycarbonate Is Used in Electrical Components

Glass-fibre reinforcement changes the mechanical characteristics of polycarbonate, helping manufacturers produce rigid components that maintain their dimensions under specified operating conditions. Depending on the grade, additional features may include flame retardancy, UV stabilization, mold release and improved resistance to heat.


These properties make glass-filled PC relevant to switches, connectors, electrical housings, scientific equipment, electric vehicle components and industrial enclosures. Grade selection should account for component geometry, processing conditions, operating temperature and the required flame rating.

Available Glass-Filled Polycarbonate Grades from Kapoor Sales Corporation

Kapoor Sales Corporation offers LEXAN™ glass-filled polycarbonate grades with 10%, 20% and 30% glass-fibre reinforcement. Buyers can evaluate the following options according to their application requirements.

10% Glass-Filled PC: Balanced Reinforcement

For components requiring additional stiffness alongside suitable moulding and flame-retardant characteristics, manufacturers can consider:


  • LEXAN™ 500R: 10% glass-filled PC with mold release, flame retardancy and UL94 V-0/5VA ratings.
  • LEXAN™ 503R: 10% glass-filled, UV-stabilized flame-retardant PC with UL746C f1 rating.
  • LEXAN™ 505R: 10% glass-filled PC with non-chlorinated, non-brominated flame retardancy.
  • LEXAN™ 505RU: UV-stabilized, non-halogenated flame-retardant grade with a listed UL94 V-0 rating at 1.5 mm.
  • LEXAN™ 525RU: Injection-mouldable, non-chlorinated and non-brominated flame-retardant PC.

20% Glass-Filled PC: Higher Stiffness

For components requiring a greater level of reinforcement, available grades include:


  • LEXAN™ 3412ECR: 20% glass-filled PC with mold release and non-chlorinated, non-brominated flame retardancy.
  • LEXAN™ 3412ECRRW: 20% glass-filled flame-retardant PC based on certified renewable feedstock.
  • LEXAN™ 3412R: 20% glass-filled flame-retardant PC with mold release.
  • LEXAN™ 3412R/701: Black, 20% glass-filled flame-retardant PC for electrical components.

30% Glass-Filled PC: Higher Reinforcement

For components requiring substantial rigidity and reinforced structural performance, manufacturers can evaluate:


  • LEXAN™ 3413HF: 30% glass-filled flame-retardant PC with mold release.
  • LEXAN™ 3413R: 30% glass-filled flame-retardant PC with mold release.
  • LEXAN™ 3413R Black: Black, 30% glass-filled flame-retardant PC for load-bearing applications.


The appropriate choice between Pc 10% GF, Pc 20% gf and Pc 30% gf depends on the required stiffness, mechanical loading, design tolerances and processing characteristics. Flame ratings and other specifications should be confirmed against current technical data sheets for the exact grade and component thickness.

What Buyers Should Check Before Sourcing

When purchasing pc fr glass filled granules, electrical equipment manufacturers should verify the glass-fibre percentage, flame rating, viscosity, colour, processing requirements and availability of relevant technical documentation. UL94 V-0 and 5VA ratings are not interchangeable, and certification at one thickness does not automatically establish performance at another.

Buyers should also assess the requirements for regulatory documentation, including applicable RoHS/ELV and REACH information, before approving material for production.

Source Glass-Filled Polycarbonate from Kapoor Sales Corporation

Kapoor Sales Corporation supplies virgin pc glass filled resin in 25 kg packaging, with clear, translucent and opaque colour options listed for industrial applications. Its range covers reinforced and flame-retardant LEXAN™ grades for electrical, automotive and engineering applications.


Manufacturers seeking a reliable material source can contact Kapoor Sales Corporation to enquire about grade availability, current pricing and application-specific requirements. Share your preferred grade, reinforcement level, estimated quantity and intended component to receive a relevant quotation.


Contact Kapoor Sales Corporation today to discuss your glass-filled polycarbonate requirements and source a grade suited to your electrical equipment manufacturing needs.


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