Shanghai Gengyun Industrial Co., Ltd
Curable Primary Coating Resin for Optical Fiber
T-RT1124 is a high drawing speed UV-LED curable primary coating for optical fibers.
LED Curable Coating
| Product Characteristics | |||||||||||||||
| 1. Excellent process parameters, good for non-helium drawing process; | |||||||||||||||
| 2. Faster curing speed, UV-LED curable, energy efficient; | |||||||||||||||
| 3. LED curable coating material has low volatile content, environmentally friendly; | |||||||||||||||
| 4. Suitable for wet-on-dry drawing processes; | 
| Product Specification | ||||||||||||||
| No. | Properties | Units | Standards | |||||||||||
| Before Curing (Liquid) | ||||||||||||||
| 1 | Viscosity,25ºC | mPa.s | 7200-8000 | |||||||||||
| 2 | Density,20ºC | g/cm3 | 1.01-1.06 | |||||||||||
| 3 | Solid Content | % | >99 | |||||||||||
| 4 | Refractive Index,25ºC | 1.47±0.005 | ||||||||||||
| After Curing (Solid) | ||||||||||||||
| 5 | Glass Transition Temperature | ºC | ≤-30 | |||||||||||
| (DMA) | ||||||||||||||
| 6 | Secant Modules,2.5% | MPa | 1.0-1.4 | |||||||||||
| 7 | Elongation | % | 85-160 | |||||||||||
| 8 | Tensile Strength | MPa | 0.9-1.4 | |||||||||||
| 9 | Cure speed when RAU95% | J/cm2 | ≥1.2 | |||||||||||
| 10 | Oxygen generation(80ºC , 24h) | ul/g | ≤0.2 | |||||||||||
| 11 | Weight Change | 88ºC 8weeks | % | <-3.8 | ||||||||||
| 125ºC 8weeks | <-7.6 | |||||||||||||
| 12 | Adhesion | 50% RH | N | >0.45 | ||||||||||
| on glass | 95% RH | >0.35 | ||||||||||||
| * 75μ m film was made by curing under the nitrogen condition at UVA | ||||||||||||||
| 0.5J/cm2 with a Fusion D lamp,unless otherwise specified. UV | ||||||||||||||
| Dosemeter is by UV POWER PUCK II from EIT.INC.USA. | ||||||||||||||
| Temperature – Viscosity Cure | 







