Nanjing SiSiB Silicones Co., Ltd.
Nanjing SiSiB Silicones Co., Ltd.
SiSiB® LR2620
SiSiB® LR2620

LSR for Insulation Potting

SiSiB® LR2620 series are paste-like, easily pigmentable two-component liquid silicone rubber for injection molding process with extremely short curing times. 


It is used as fast cure silicone rubber insulating potting for all kinds of electrical devices.


SiSiB® LR2620

Technical Data


Appearance

Transparent

Mix Ratio

1:1

Viscosity A (Pa.s)

600-1000

Viscosity B (Pa.s)

600-1000

Mixed Viscosity (Pa.s)

600-1000

Pot life @ 23°C

15-25

Curing Time @ 23°C

30

Curing Time @ 50°C

6

Curing Time @ 100°C

3

Density (g/cm3)

0.97

Hardness Penetration

Hollow core, 150g (1/100 mm)

160-170

Dielectric Strength

(1 mm - sheet) (KV/mm)

23

Volume Resistivity (Ω.cm)

1014

Permittivity 50Hz

2.5

Dissipation Factor 50Hz  

0.0002

Surface Resistance (Ω.cm)

1014

Processing

Casting


Curing condition: 30 minutes at 150°C in circulating air oven.




Application


  • Liquid mold making rubber, casting and sealing cable joint, branch and connection boxes, and all kind of electrical equipment



Packing and Storage


  • SiSiB® LR2620 is supplied in 20Kg box, with plastic bag inside.


  • In the unopened original container it has a shelf life of one year in a dry and cool place.


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SiSiB® LR2620