Covestro DS-2015 UV Cure Secondary Coating - 10Kg.

Optical fiber secondary coating.

Product Benefits

• The NEW industry standard
• Fast cure
• Suitable for wet-on-wet or wet-on-dry processes
• Compatible with all DeSolite® primary coatings and Cablelite® inks.

• Viscosity, 25°C, 5,900 mPa•s
• Viscosity, 35°C, 2,040 mPa•s
• Density, 23°C, 1130 kg•m^-3
• Liquid Refractive Index, 23°C, 1.517
• Surface tension, 23°C, 22 dynes•cm^-1

• Segment modulus, 2.5% strain, 950 MPa
• Elongation, 15%
• Tensile strength, 35 MPa
• Degree of Cure (UV dose at 95% of Ultimate Secant Modulus, J•cm^-2 ): 0.3
• Dynamic water sensitivity (150 µm films)
  • peak absorption, 2.3%
  • extractables, 1.0%
• Hydrogen generation (24 hrs, 80°C in air, 75 µm films, µl•g^-1): 0.2
• Refractive Index: 1.537
• Coefficient of expansion (TMA), 500 µm films
  • in the glassy region (x10-6), 38°C^-1
  • in the rubbery region (x10-6), 196°C^-1

• Aging after 8 weeks Thermal weight change,
• 3% at 85°C
• 2% at 85/85 °C

• Glass Transition Range (DMA), 40°C at E’ _{1000 MPa}
• Glass Transition Range (DMA), 80°C at E’ _{100 MPa}

Shelf Life: 18 months from the date of manufacture