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Premium Polycarbonate Diffuser Covers — High-Transmission, Uniform Light Distribution for LED Lighting
As a 15 years plastic extruded factory,we provides a wide range of thermoplastic resins with mature polycarbonate diffuser cover for led lighting manufacturing services,flat/oval/semicircle/curve or any others special shape, transparent/opal/frosted/white/smoothly as per your request.
Our main service is plastic extruded diffuser cover for led lighting with 100% full customization based on customer specific requirements.
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Polycarbonate Diffuser Covers
Up to 94% Light Transmission · UV Stabilized · Impact Resistant · UL 94 V-0
Engineered to transform harsh LED light into soft, uniform illumination. Trusted by leading lighting brands worldwide for commercial, industrial, and architectural applications.
Where Light Meets Precision
A polycarbonate diffuser cover is more than just a protective lens — it's a critical optical component that defines the quality of your light. LEZPC engineers each diffuser with precision-extruded PC resin to deliver consistent diffusion, high clarity, and lasting performance.
Whether you need a frosted finish for office panels, a micro-prism pattern for industrial high-bays, or a crystal-clear cover for retail displays — our custom solutions meet your exact light distribution, efficiency, and aesthetic requirements.
Available Finishes
Why LEZPC Diffusers
The difference is in the details.
Optical Uniformity
Eliminates LED hotspots and harsh glare. Delivers soft, even light that reduces eye strain and enhances visual comfort.
Uncompromising Durability
Shatterproof, impact-resistant, and UV-stabilized. Designed to withstand years of use without yellowing or degradation.
Made to Your Specs
Custom profiles, lengths, thicknesses, and finishes. From prototype to volume production — we bring your vision to life.
Technical Specifications
Precision engineered for optical excellence.
Custom diffuser dimensions with tolerance markings
Material
Optical-Grade Polycarbonate (PC)
Light Transmission
Clear: 92-94% · Frosted: 85-90%
Thickness Range
0.5mm to 5.0mm · Custom available
Flame Rating
UL 94 V-0 / V-2 · Self-extinguishing
UV Stability
UV stabilized · No yellowing over time
Temperature Range
-40°C to 115°C · Indoor & Outdoor
Width Range
10mm to 300mm · Custom designs
Certifications
ISO 9001 · UL · RoHS · REACH · CE
Lead Time
7 days (prod) · 15-20 days (new mould)
Trusted Across Every Lighting Sector
From offices to factories, homes to landmarks.
Commercial · Industrial · Residential · Architectural · Specialty
Commercial
Office panels, retail displays, linear lighting
Industrial
High-bay, warehouse, cleanroom, hazardous
Residential
LED tubes, ceiling fixtures, under-cabinet
Architectural
Wall wash, cove lighting, outdoor accents
Specialty
Medical, horticultural, signage, outdoor
From Concept to Illumination
5 steps to your custom diffuser solution.
Precision extrusion with in-line optical testing
Design
Drawings & material selection
Tooling
Custom die manufacturing
Sample
Optical testing & approval
Production
Continuous extrusion & QC
Delivered
Packaged & shipped worldwide
Certified Quality
Global standards. Verified performance.
ISO 9001 · UL · RoHS · REACH · CE
Years Experience
PC extrusion since 2012
Countries Served
Global delivery network
Day Lead Time
Fast production turnaround
Support
Dedicated engineering team
Ready to Transform Your
Lighting Experience?
Get a free consultation · Request samples · Custom quote
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