Covestro Bufferlite™ COV-DU-1002 Tight Buffer Optical Fiber Coating (Matrix Coating), UV Cure (10 kg).

COV-DU-1002-10KG

Covestro COV-DU-1002 Tight Buffer Optical Fiber Coating. Fast curing material used for the inner layer of tight buffer applications. Viscosity: 3,000cps.
The Covestro Bufferlite™ COV-DU-1002 Optical Fiber Coating is a soft, flexible product used for the inner layer for tight buffer applications. This material can be used to buffer fiber up to 500 microns and allows for an overcoat with a tough UV or thermoplastic outer layer. Available in a 10 kg bottle.

Product Benefits
  • Fast cure
  • Low modulus
  • Excellent strippability
Performance Characteristics Liquid Coating
  • Viscosity, 25°C: 3,000 mPa·s
Cured Coating (Tested at <1% R.H.)
  • Glass Transition Temperature Range, Tg: -56°C (-68.8°F) at E’ 1000 MPa
  • Glass Transition Temperature Range, Tg: -46°C (-50.8°F) at E’ 100 MPa
Cured Coating (Tested at 23°C, 50% R.H.)
  • Secant modulus, 2.5% strain: 2.6 MPa
  • Elongation: 38%
  • Tensile strength: 0.8 MPa
Product Change Notification:
As part of our product change notification requirements, Fiber Optic Center notifies our customers of any significant changes including but not limited to product packaging, material property updates and procurement part number changes. Covestro has changed the part number for this product from DSM-DU1002-10KG to COV-DU-1002-10KG. Please note this is the only change to this product.
If you have questions related to this product on which we may be of assistance, please feel free to contact Kelly Barker, Business Development Epoxies Fiber Optic Center: kbarker@focenter.com