Desolite® 3471-2-136 Secondary Optical Fiber Coating, UV Cure (10 kg)
Covestro DeSolite® 3471-2-136 Secondary Optical Fiber Coating, UV Cure (10 kg)
Part Number: COV-3471-2-136-10KG
The Covestro DeSolite® 3471-2-136 is a UV-curable secondary optical fiber coating formulated to provide durable mechanical protection and long-term environmental resistance for optical fibers used in telecommunications and specialty applications. As the outer layer in a dual-coating system, this hard secondary coating helps protect fibers from handling damage, abrasion, and environmental exposure while maintaining the optical performance required for modern fiber networks.
Designed for efficient manufacturing operations, DeSolite® 3471-2-136 features a fast-curing formulation that supports high-speed fiber production without compromising coating quality. Its versatility allows it to be used in both wet-on-wet and wet-on-dry coating processes, providing manufacturers with greater flexibility in production line configuration and operation.
The coating is compatible with a variety of DeSolite® primary coatings, making it suitable for a broad range of fiber designs and performance requirements. Its robust mechanical characteristics help maintain fiber reliability while supporting low attenuation and resistance to microbending-related performance degradation.
Supplied in a 10 kg container, DeSolite® 3471-2-136 is ideal for large-scale fiber manufacturing facilities and production environments requiring consistent coating performance and processing efficiency.
Features and Benefits
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UV-curable secondary optical fiber coating
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Hard coating formulation for enhanced mechanical protection
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Fast-curing chemistry supports high-speed production
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Compatible with wet-on-wet and wet-on-dry coating processes
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Works with multiple DeSolite® primary coating systems
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Helps protect fibers from abrasion and handling damage
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Supports attenuation and microbending performance
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Suitable for telecommunications and specialty optical fibers
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Designed for long-term durability and environmental stability
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Available in a production-scale 10 kg package
Liquid Coating Properties
| Property | Value |
|---|---|
| Viscosity (25°C) | 4,750 mPa·s |
| Refractive Index (23°C) | 1.519 |
Cured Coating Properties
Tested at Less Than 1% Relative Humidity
| Property | Value |
|---|---|
| Glass Transition Temperature (E' = 1000 MPa) | 29°C |
| Glass Transition Temperature (E' = 100 MPa) | 51°C |
Packaging
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10 kg container
Typical Applications
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Telecommunications optical fiber manufacturing
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Dual-layer fiber coating systems
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High-speed fiber draw operations
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Specialty optical fiber production
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Fiber processing and recoating applications
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Large-scale manufacturing environments
Important Notice
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An 8.5% tariff charge will be added at the time of shipment.