Silicone Rubber Coating Fiberglass Sleeving

 

 

 

    The kind of tubing produced with the process of thermal and vulcanization is the non-alkali fiberglass braided silicone rubber tubing.

 

    This tubing possesses good qualities of dielectric high temperature resistance and cold resistance and can be use as wiring insulator for H grade electrical machinery, special bulbs, electrical rice cookers as well as other household appliance and their protection device.

 

  Color

The standard color is White. ( But Red、Blue, and Black are available by special order. )

 

  Type

Two types are classified according to the degrees of insulation withstand voltage.

SRG-1 ( 7Kv ) :  For use high voltage circuits or H class general insulation.

SRG-1 ( 4Kv ) :  For use low voltage circuits or H class general insulation.

 

  Length

Total length 1000mm ±20mm. ( Continuous length may be negotiated )

 

  Property Requirements

Property

Requirements

  Bending after heating

No cracking or detachment of coating shall be visible And the original color shall be clearly recognizable after 48hr ±1hr at 260℃ ±5℃

  Bending at low temperature

No cracking or detachment of coating shall be visible after 60min ±10min, at –70℃ ±5℃.

  Hydrolysis of coating

No running of the coating, adherence between tubing and paper, between pieces of tubing nor any sign of discoloration of paper.

  Flame propagation

In addition 60sec (max), the indicator flag on any one of three test specimens shall not be burned nor shall flaming or glowing particles or flaming drops ignite the cotton. Self-extinguish UL VW-1 test.

  Heat resistance

  Temperature at 200℃

Should be normal

SRG-1 ( 7Kv )

SRG-1 (4Kv)

  Normal condition Min. Value

7.0  Kv/Min

4.0  Kv/Min

  Normal condition Avg. Value

6.0  Kv/Min

3.0  Kv/Min

UL File No.  :  E221462

 

Measurement Standards

Inside Diameter   (mm)

Wall thickness   (mm)

Normal

Tolerance

Min.

Max.

1.0 – 1.5

+ 0.20  ,  - 0.10

0.40

0.60

2.0 – 3.0

+ 0.20  ,  - 0.10

0.40

0.65

3.5 – 5.0

+ 0.25  ,  - 0.10

0.45

0.70

6.0 – 8.0

+ 0.25  ,  - 0.10

0.45

0.80

9.0 – 10.0

+ 0.30  ,  - 0.10

0.50

1.00

 

 

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