Produced by Xiangchu Rubber, this overmolded LED light guide column adopts LSR injection molding, with excellent sealing performance, uniform light transmission, temperature and aging resistance. It fits various LED lighting products, supports size and hardness customization, and follows ISO 9001 quality control.
Material
Industrial LSR
Hardness
Shore A 30-60
Temperature
Certifications
Applications
-40°C ~ +150°C
Colors
Black, White, Transparent, Customizable
# LSR Overmolded LED Light Guide Column
*Product of 橡楚（湖北）橡胶有限公司*
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LSR Overmolded LED Light Guide Column is a precision composite optical component designed to optimize light transmission and structural protection for LED lighting systems. Manufactured by 橡楚（湖北）橡胶有限公司 at our facility in 湖北省鄂州市鄂城区经济开发区凡口街道内河巷54号, this component combines a rigid optical core (typically polycarbonate (PC) or polymethyl methacrylate (PMMA)) with a liquid silicone rubber (LSR) overmolded outer layer to deliver balanced optical performance, mechanical stability, and environmental resistance.
Unlike traditional uncoated light guide columns or assemblies assembled with separate rubber gaskets, our overmolded design integrates the sealing and cushioning functions directly into the component through precision liquid injection molding. This eliminates assembly gaps, reduces light leakage, and simplifies downstream production processes for LED equipment manufacturers. Our core selling points include consistent optical clarity, reliable long-term sealing performance, custom mold design for unique application requirements, and strict quality control aligned with international production standards.
Our LSR overmolding process follows controlled production parameters to ensure consistent product quality:
The overmolded LSR layer acts as both a light diffuser (when adjusted) and a waterproof sealing gasket, eliminating the need for separate gaskets in LED assembly. This reduces part count, cuts assembly labor costs, and minimizes the risk of light leakage or water intrusion caused by misaligned separate components. The uniform LSR layer provides consistent light diffusion for even, glare-free illumination across the entire output surface.
LSR inherently resists UV degradation, ozone, moisture, and extreme temperature cycling. Unlike thermoplastic overmolding materials, LSR does not become brittle or crack after years of outdoor exposure, maintaining its sealing and mechanical cushioning performance. This extends the service life of the entire LED assembly, reducing long-term maintenance and replacement costs for end users.
We offer fully custom mold development for LSR overmolded LED light guide columns to match unique size, shape, hardness, and optical requirements. Our precision injection molding process achieves tight dimensional tolerances, ensuring consistent fit and performance for high-volume production. We can adjust LSR transparency, hardness, and color to meet specific optical and mechanical requirements for different applications.
Our optimized plasma pre-treatment and LSR formulation create strong, permanent bonding between the LSR overmold and the optical core. The bond does not delaminate even under repeated thermal cycling or prolonged immersion in water, eliminating common failure points of assembled or bonded light guide components.
LSR Overmolded LED Light Guide Columns are used across a wide range of LED lighting and indication applications, including:
We support custom sizes ranging from 3mm diameter small indicator light guides to 200mm length large light guide columns for architectural lighting. Dimensional tolerances can be adjusted based on application requirements: we offer ±0.05mm precision tolerances for high-precision assembly applications, and ±0.1mm tolerances for general purpose applications to optimize production costs.
At 橡楚（湖北）橡胶有限公司, we operate our production system under the ISO 9001 quality management standard, implementing strict quality control at every stage from raw material incoming inspection to final product shipment. Each batch of raw material is tested for hardness, light transmittance, and mechanical properties before entering production. We conduct 100% dimensional inspection and optical consistency inspection for finished products, and perform adhesion and compression set testing on a sampling basis to ensure compliance with specification requirements.
We are committed to delivering consistent, high-quality LSR overmolded components that meet customer performance requirements. For custom orders, we provide pre-production sample confirmation and first article inspection reports to ensure alignment with customer design requirements before full-scale production.
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*For inquiries about custom specifications or pricing, contact us at:*
Phone: +86 18071171144 | Email: churubber@163.com
Address: No. 54, Neihe Lane, Fankou Street, Economic Development Zone, Echeng District, Ezhou City, Hubei Province, China
