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Covestro Bufferlite™ DU-2008 Tight Buffer Optical Fiber Coating (Matrix Coating), UV Cure (10 kg)

Covestro Bufferlite™ DU-2008 is a UV-curable, medium-modulus matrix coating specifically designed for tight-buffered optical fiber applications. Engineered for buffering fibers from 400 µm to 900 µm, this advanced coating material provides excellent processability, fast curing performance, and superior stripping characteristics for fiber optic cable manufacturing.

DU-2008 combines optical clarity, mechanical stability, and reliable handling characteristics to support high-speed production environments while maintaining consistent fiber protection and performance.

Supplied in a 10 kg container for high-volume fiber optic manufacturing applications.

Features and Benefits

Designed for Tight Buffer Fiber Applications

Optimized for tight-buffered fiber constructions ranging from 400 µm to 900 µm in diameter.

Excellent Strippability

Engineered to provide clean and consistent buffer removal during connectorization, splicing, and cable assembly operations.

Fast UV Cure Performance

Supports efficient manufacturing processes and high-speed production lines.

Medium-Modulus Matrix Coating

Provides an effective balance between fiber protection, flexibility, and handling performance.

Optically Clear Formulation

Maintains excellent optical clarity for fiber processing and inspection applications.

Stable Manufacturing Performance

Formulated for consistent coating application and long-term process reliability.

Patent-Protected Technology

Developed using advanced coating technology designed specifically for optical fiber manufacturing.

Technical Specifications

Product Information

• Product Type: UV-Curable Matrix Coating

• Package Size: 10 kg

• Coating Type: Tight Buffer Optical Fiber Coating

• Recommended Fiber Size: 400 µm to 900 µm

Liquid Coating Characteristics

• Viscosity at 25°C: 1,200 mPa·s

• Appearance: Optically Clear

Typical Applications

Optical Fiber Manufacturing

• Tight-buffered optical fiber production

• Indoor fiber optic cable manufacturing

• Distribution cable manufacturing

• Premises fiber cable production

• Specialty fiber optic cable construction

Fiber Processing Applications

• Fiber buffering operations

• Secondary fiber coating

• Matrix coating applications

• Fiber protection layers

• Connector-ready fiber production

Telecommunications and Data Communications

• Enterprise network cable manufacturing

• Data center fiber cable production

• Industrial fiber optic cable manufacturing

• Telecommunications infrastructure products

Why Choose Bufferlite™ DU-2008?

Bufferlite™ DU-2008 combines fast UV curing, excellent stripping characteristics, and reliable processing performance in a medium-modulus matrix coating specifically designed for tight-buffered optical fiber applications. Its balanced performance characteristics make it an excellent choice for manufacturers seeking efficient production and consistent fiber handling properties.

Storage and Handling

Store according to the manufacturer's recommendations and protect from exposure to UV light prior to use. Proper storage conditions help maintain product performance and shelf life.

Additional Information

• Designed for fiber buffering applications up to 900 µm

• Tariff charges may apply depending on destination and shipping requirements