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Cold application type LT-430 flame resistance optical fiber filling gel

  • Product model:Type LT-430
  • Product Features:Flame resistance property; excellent colloid stability and oxidation stability; heat resistance; weather ability; non- oil separation; small acid value; good compatibility with all optical material
  • Applications:Apply to optical fiber in special environment
  • Technical Requirements:

Product Introduction

Product introduction:The type of product is designed for optical fiber in special environment.

Technical parameters:

Cold application type LT-430 flame resistance optical fiber filling gel technical specification

1、general technical requirements

Filling gel is needed to be homogeneous, hydrogen absorption, and does not include any dust, metal particles, and other impurities. It should be no sight visible air bubbles, and the mold should be no nutrition. Filling gel should be non-toxic, no stimulation to the skin.

2、main technical parameters

Serical

number

items

Unit

Index

Experimental

 method

1

appearance

Homogeneous,

no impurities

Visual inspection

2

Dropping point

℃

≥200

YD/T839.1- 3.4.1

3

density(20℃)

g/cm2

0.87±0.03

YD/T839.1- 3.15

4

Cone penetration  25℃

-40℃

1/10mm

1/10mm

435±30

≥230

YD/T839.1- 3.4.2

5

Color stability(130℃、120h)

≤2.5

YD/T839.1- 3.3.1

6

Oxidation induction time

(190℃)

min

≥30

YD/T839.1- 3.3.2

7

Flashing point

℃

>300

YD/T839.1- 3.4.3

8

Burnable temperature index

℃

≥300

NES 715

9

Hydrogen evolution

(80℃、24h)

μl/g

≤0.03

YD/T839.1- 

Appendix G

10

Oil perspiring(80℃、24h)

%

≤0.5

YD/T839.1- 

Appendix A

11

Evaporation capacity

(80℃、24h)

%

≤0.5

YD/T839.1- 

Appendix A

12

Water resistance(20℃、7d)

Non-disassembly

YD/T839.1- 3.8

13

Acid value

mgK0H/g

≤0.3

YD/T839.1- 3.2

14

Water content

%

≤0.01

YD/T839.1- 3.9

15

viscosity(25℃、D=50S-1)

mpa.s

8000±1000

YD/T839.1- 3.4.4

16

compatibility:

A、with optical fiber, optical

fiber coating materials

(85℃、30×24h)

B、with pine casing

material(85℃、30×24h)

variation in tensile strength

elongation at break

mass variation

C、Composite metal band

(68℃、7×24h)

Steel-plastic composite

 tape、Aluminum plastic

compound tape

%

%

%

No color fading,

No migration,

no delamination, no cracking

Maximum release force

 1.0N~8.9N

Average value  1.0N~5.0N

no delamination

no cracking

≤25

≤30

≤3

no delamination

no cracking

YD/T839.1-

Appendix D

YD/T839.1-

Appendix F

YD/T839.1- Appendix E

YD/T839.1- Appendix E

YD/T839.1- Appendix E

YD/T839.1- Appendix E

YD/T839.1-3.7-C

17

corrosive(80℃、14×24h)

with copper, aluminum, steel

No corrosion points

YD/T839.1-3.5

3、Environmental performance requirements

Type

matter

Prohibitive content(mg/kg)

Heavy metal

plumbic

≤1000

cadmium

≤100

mercury

≤1000

Hexavalent chromium

≤1000

Organic Bromide

Polybrominated biphenyls(PBB)

≤1000

Polybrominated diphenyl ethers(PBDE)

≤1000