Xiangchu produces optical transparent liquid silicone rubber camera lens, with excellent light transmittance and yellowing resistance. Low stress adapts to high-precision camera modules, with great waterproof sealing performance. We support custom size and hardness with compliant materials, suitable for various optical camera products.
Material
Optical-grade LSR
Hardness
Shore A 30-50
Temperature
Certifications
Applications
-40°C ~ +150°C
Colors
Transparent, Other customizable
# Optical Transparent LSR Camera Lens Cover
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Optical Transparent Liquid Silicone Rubber (LSR) Camera Lens Covers are high-performance protective components designed specifically for optical imaging devices, manufactured by 橡楚（湖北）橡胶有限公司 (Xiangchu (Hubei) Rubber Co., Ltd.). Engineered from premium medical-grade liquid silicone rubber, our lens covers balance exceptional optical clarity, mechanical flexibility, and long-term environmental stability to protect sensitive camera imaging modules without compromising image quality.
As a professional manufacturer specializing in custom LSR products, we produce these lens covers through precision compression and injection molding processes, enabling tight dimensional tolerances and consistent surface quality for mass production. Unlike traditional glass or rigid plastic lens covers, our LSR covers offer inherent impact resistance and shock absorption, making them ideal for portable and ruggedized imaging devices. Each product is produced in strict accordance with our ISO 9001 quality management system, ensuring consistent performance across all production batches.
Our optical transparent LSR camera lens covers maintain stable light transmission across a wide wavelength range, from visible light to near-infrared, supporting high-resolution imaging for consumer, industrial, and automotive camera systems. The non-yellowing formulation of our LSR material ensures long-term optical clarity even after prolonged exposure to UV light and extreme temperature fluctuations.
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For mass production and custom molding, our standard process parameters are:
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Our proprietary optical-grade LSR formulation delivers exceptional light transmittance and low haze, ensuring no distortion or brightness reduction for high-resolution camera imaging. The material’s consistent refractive index eliminates chromatic aberration, supporting sharp, true-color image capture even for 4K and 8K high-resolution camera modules. Unlike coated plastic covers, the inherent optical properties of LSR do not degrade with peeling or scratching of surface treatments.
The inherent elasticity of LSR provides excellent impact and shock absorption, protecting the inner optical lens from cracks and damage caused by drops and physical collisions. The material is also inherently scratch-resistant compared to soft plastics, and maintains its flexibility and mechanical properties across a far wider temperature range than thermoplastic alternatives. It is resistant to water, moisture, common chemicals, and ozone, preventing performance degradation in harsh operating environments.
As an experienced LSR manufacturer, we can produce custom-shaped lens covers in any size, thickness, and hardness to match specific camera module designs. LSR supports precision molding of complex contours, integrated mounting tabs, and bevelled edges that fit seamlessly into device enclosures. We also offer custom surface treatments, including anti-glare (AG), anti-reflective (AR), and anti-fingerprint (AF) coatings, to meet specific application requirements.
Our addition-cured LSR material is free of BPA, phthalates, and other harmful additives, meeting basic biocompatibility requirements for consumer electronic devices. The material does not release volatile organic compounds (VOCs) under normal operating conditions, making it safe for use in portable consumer devices and wearable imaging products. All production waste is recycled in accordance with local environmental regulations.
LSR injection molding enables high-volume production with consistent quality and low per-unit cost, compared to precision-cut glass lens covers. The natural mold release properties of LSR reduce production cycle times and post-processing requirements, allowing us to deliver large orders with short lead times to meet client demand.
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Optical Transparent LSR Camera Lens Covers are suitable for a wide range of imaging device applications, including:
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We support custom size production to match your specific camera module design. Standard stock sizes include:
For custom dimensions outside of these ranges, please contact our sales team with your technical drawings for a quotation.
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At 橡楚（湖北）橡胶有限公司, all products are manufactured under a strict ISO 9001-certified quality management system. We implement multi-stage quality inspection throughout the production process, including incoming material inspection for raw LSR, in-process dimensional and optical testing, and final pre-shipment inspection to ensure every product meets specification requirements.
Our quality testing laboratory is equipped with professional optical testing equipment, hardness testers, and aging testing chambers to verify all performance parameters before delivery. We can provide material test reports (MTR) and inspection certificates upon request.
Our company is located at 湖北省鄂州市鄂城区经济开发区凡口街道内河巷54号, Ezhou City, Hubei Province, China. For custom inquiries, technical support, or quotations, please contact us at:
We welcome clients to share your specific application requirements and we will provide tailored LSR camera lens cover solutions to match your needs.
