T-Rt1229 Low Glass Temperature UV Primary Coating Resin for Optical Fiber

• Molecular Principal Chain: Element Organic Polymer
• Color: Customized
• Transport Package: Standard
• Specification: Low Glass Temperature UV Primary Coating
• Origin: China
• Model NO.: T-RT1229

Product Description

T- RT1229 is a low glass temperature (Tg) primary coating for optical fibers.
Product Characteristics

 Low volatile content

 Fast curing speed

 Right viscosity range for easy process control

 Can be applied in both wet-on-wet and wet-on-dry processes

Product Specification

No.

Properties

Units

Standards

Before Curing (Liquid)

1

Viscosity,25ºC

mPa.s

5500-6600

2

Density,20ºC

g/cm^3

1.01-1.06

3

Solid Content

%

>99

4

Refractive Index,25ºC

1.47±0.005

After Curing (Solid)

5

Glass Transition Temperature (DMA)

ºC

≤-30

6

Secant Modules,2.5%

MPa

1.0-1.4

7

Elongation

%

85-160

8

Tensile Strength

MPa

0.7-1.4

9

Cure speed when RAU95%

J/cm2

≥0.30

10

Oxygen generation(80ºC , 24h)

ul/g

≤0.2

11

Weight Change

88ºC 8weeks

%

<-3.8

125ºC 8weeks

<-7.5

12

Adhesion on glass

50%  RH

N

>0.45

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






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