Located in Huzhou, Zhejiang · 20+ PC/PMMA extrusion lines · ISO 9001:2015 Email: info@leddiffuserfactory.com WhatsApp: +372 5920 5909 Send Inquiry

Polycarbonate (PC) LED Diffuser Manufacturer

Impact-resistant polycarbonate diffusers for industrial, vandal-resistant and outdoor luminaires.
  • Polycarbonate for impact and heat resistance
  • UV-stabilised grades available
  • Light transmission from 0% to 97%
Wide linear diffuser for architectural lighting

Product Overview

PC LED Diffusers Overview

Polycarbonate is specified where the diffuser has to survive impact, higher temperatures or rough handling. We extrude PC diffusers in clear, opal and frosted grades, with UV-stabilised compounds for outdoor fixtures. Compared with PMMA, polycarbonate has higher impact strength and a higher continuous service temperature; it is slightly softer on the surface, so the die and the handling process are set up to protect the finish.
Wide linear diffuser for architectural lighting
PMMA linear light diffuser extrusion
Curved linear diffuser profile for LED strip channels
Linear diffuser installed in a linear luminaire

Specification

Typical specification

Values below describe current production capability. Custom values are quoted per drawing.
MaterialPolycarbonate (PC) / PMMA (acrylic), single-colour and two-colour
Light transmission0% to 97%, matched to the optical grade you specify
Profile weight10 g/m to 2,000 g/m
ColourClear, opal, frosted, custom colours including two-colour combinations
SurfaceGloss, frosted, embossed, prismatic, co-extruded
LengthCut to length; standard and custom lengths
ToolingIn-house die design and die manufacturing
Quality systemISO 9001:2015 certified

Profile & Optics

Profile design, optical characteristics and surface finish

Profile design

Any cross-section from your drawing, including thick-wall and vandal-resistant geometries.

Optical characteristics

Transmission and diffusion set by grade and wall thickness, 0% to 97%.

Surface finish

Gloss, frosted and embossed. Prismatic structures for controlled distribution.

Customization

What we can change for your project

Profile

New cross-sections developed from your drawing or from an existing sample.

Dimensions

Width, height, wall thickness and length set to your fixture geometry.

Surface

Gloss, frosted, embossed, prismatic or co-extruded surfaces.

Colour

Clear, opal, custom colours and two-colour combinations.

Applications

Typical applications

Industrial lighting

High-bay and warehouse fixtures.

Linear lighting

Continuous runs in demanding environments.

Commercial lighting

Retail and public-area fixtures.

Troffer lighting

Recessed luminaires with impact requirements.

Architectural lighting

Facade and exterior detailing.

Signage lighting

Back-lit and edge-lit exterior signage.

LED strip lighting

Protected strip covers.

Decorative lighting

Feature profiles needing toughness.

Manufacturing Process

From drawing to packed profile

1

Drawing

2D drawing, 3D file, sketch or an existing sample.

2

Material

PC or PMMA, single-colour or two-colour, selected for optics, impact and UV stability.

3

Tooling

In-house die design and die manufacturing.

4

Extrusion

Trial run and parameter setting on a matched extrusion line.

5

Cutting

Cut to length, mitring, notching, drilling and CNC machining.

6

Inspection

Dimensional, appearance and optical checks against the approved sample.

7

Packaging

Protective film, sleeving, cartons and pallets to your requirement.

Quality Control

How the profile is checked

Every profile is produced against an approved sample or drawing. We check incoming resin, approve the first piece, measure the profile during the run, and carry out a final appearance and dimensional inspection before packing. Optical grades are verified for transmission and diffusion consistency.
  • Incoming resin inspection and batch traceability
  • First-piece approval against the approved sample or drawing
  • In-process dimensional checks on profile width, height and wall thickness
  • Light transmission and haze measurement on optical grades
  • Appearance inspection under standard lighting conditions
  • Final random inspection before packing and palletising

Need a diffuser built to your drawing?

Send us your drawing, sketch or existing sample. Our optical extrusion engineers will come back with material, tooling and price.

FAQ

Frequently Asked Questions

Choose polycarbonate when impact resistance, higher service temperature or vandal resistance matters more than maximum clarity.
UV-stabilised compounds are available for outdoor and high-exposure applications. Tell us the installation environment and we will match the grade.
Flame-retardant polycarbonate grades can be specified. Confirm the required rating with your target market and we will quote the matching compound.

RFQ

Request a Quote for PC LED Diffusers

Send the drawing, the material you prefer and your quantity. We answer RFQs within one business day.

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    Zhejiang Baoming Optical Materials Co., Ltd.
    LED Diffuser & Optical Lighting Components Manufacturer.

    Factory
    No. 9 Zhongnan Hi-Tech, Xin'an Town, Deqing County,
    Huzhou City, Zhejiang 313200, China

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