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High Refractive Index UV Adhesives

High refractive index UV adhesives are advanced materials engineered to meet the precise demands of modern optical bonding applications. Designed for use with substrates such as glass, metals, glass fibers, and glass-filled plastics, these adhesives provide superior optical clarity and bonding strength. By utilizing ultraviolet (UV) curing technology, they achieve rapid polymerization under light exposure, ensuring minimal thermal stress and distortion during the bonding process. The result is a transparent, durable joint that maintains excellent optical performance even under high-intensity light or temperature variations.

Alfa Chemistry's high refractive index UV adhesives exemplify this innovation. Formulated with precision, these adhesives deliver high refractive indices that closely match those of optical substrates, reducing light loss due to reflection or scattering at the interface. Their low shrinkage, high transparency, and excellent adhesion properties make them ideal for assembling complex optical systems. In addition, their stability against yellowing and mechanical fatigue ensures long-term reliability, making them an essential material in industries where both performance and aesthetics are critical.

Typical Applications

One of the primary applications of high refractive index UV adhesives is in the bonding of optical components such as lenses, prisms, and mirrors. These adhesives ensure a seamless optical path by minimizing refractive mismatches, enabling high-precision alignment and optimal light transmission. In lens assembly, they enhance image clarity and reduce aberrations, making them widely used in camera modules, microscopes, sensors, and projection systems.

Another significant application lies in fiber optic technology, where these adhesives are used for fiber termination, splicing, and connector assembly. Their excellent adhesion to glass and stability under environmental stress help maintain low signal loss and mechanical integrity, which are essential for high-speed data transmission. Furthermore, they are applied in the production of optical sensors, display panels, and laser systems, where consistent optical performance and mechanical stability are critical.

Our Products

Catalog Number	Viscosity (25°C mPa.s)	Refractive Index	Shore Hardness	Glass Shear Strength (MPa)	Features
ALCM-PM-0009	30000	1.71	D80	3	Ultra-high refractive index
ALCM-PM-0010	3000	1.68	D70	6	High light transmittance
ALCM-PM-0011	2500	1.65	D65	5	Water-resistant, low yellowing
ALCM-PM-0012	1500	1.63	D85	5	Bonding glass and metal
ALCM-PM-0013	50	1.60	D60	7	Excellent aging resistance Water-resistant, low yellowing
ALCM-PM-0014	2500	1.57	D90	15	High temperature resistance (220°C)

By combining optical precision with robust bonding capabilities, Alfa Chemistry's high refractive index UV adhesives provide an optimal solution for engineers and manufacturers seeking reliability, performance, and process efficiency. Whether used in laboratory settings or high-volume industrial production, these adhesives play a pivotal role in advancing optical device manufacturing and ensuring the long-term stability of complex photonic systems.

Why Choose Us

Innovative Solutions: We continuously develop advanced photocurable materials to meet the ever-evolving needs of the industry.
Customization Services: We offer flexible, tailor-made products and formulations to ensure each solution precisely meets the unique requirements of your application.
Quality Assurance: Through rigorous quality control at every stage of production, we guarantee consistent, high-performance, and reliable products you can trust.
Fast Delivery: Optimized production workflows and efficient logistics allow us to deliver products promptly, supporting your project timelines and reducing downtime.

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