RTV - 813

Thermally Conductive Silicone

 

Description:
RTV-813 is a general purpose condensation cure RTV silicone rubber. RTV-813 has high heat and vibration resistance, as well as exceptional thermal conductivity. Major application areas include potting, high temperature molding, rollers, and print pads.

 

Properties:

Part-A

Part-B

Color

 

Red

Clear

Viscosity, CPS

 

25,000

100

Specific Gravity

 

1.45

.98

Mix Ratio (by weight)

100:10

Mixed Viscosity, CPS

20,000

Pot Life @ 72° F, min.

30-45

Shelf Life @ 72° F, months

12

Hardness, Durometer Shore A

60

Tensile Strength, PSI

500

Tensile Elongation,  %

100

Tear Strength, ppi

30

Service Temperature Range, °C

-54 to 260

Coefficient of Expansion, (cm/cm-°C)

21x10-5 

Dielectric Strength, Volts/Mil

500

Dielectric Constant 100 HZ

3.6

Dissipation Factor 60 HZ

0.002

Volume Resistivity, ohm-cm

1 x 1014

Shrinkage, after 3days, %

.6

Thermal Conductivity, BTU in/ft 2 hr ° F

2.5

 

Use Instructions:

Pre-mix RTV-813 Base thoroughly. Weigh out the required amount and add the required amount of Catalyst. Mix thoroughly scraping both the bottom and sides of the mixing container. Evacuate the air and then apply.

Cure Schedule:

24 hours @ room temperature

Pot Life and cure is dependent on temperature & humidity.

Ideal conditions:                68-78°F (20-26°C)

40-60% relative humidity

 

Addition Cure RTV Silicone Rubber
RTV-710: Flame retardant UL®94V-O rated

RTV-710LV: Commercial Potting
RTV-715: Optically clear
RTV-720: 20 durometer high strength
RTV-723: Lightweight

RTV-725: Flame Retardant
RTV-730: 30 durometer, high strength
RTV-740: 40 durometer, high strength
RTV-760: High durometer, high strength
RTV-768: Soft gel
RTV-793: Flame retardant, UL®94V-O rated