RTV - 793

High Thermally Conductive Silicone

 

Description:
RTV-793 is an addition cure, self-extinguishing, UL 94v0 rated, RTV silicone rubber.  It has high thermal conductivity, low shrinkage, and excellent heat resistance. RTV-793 is suited for commercial potting and encapsulation applications. It has good overall properties, can be cured rapidly at elevated temperatures, is odorless, and non-toxic. It contains no by-products, and is non-allergenic. UL File Number: E 164275

 

Properties:

Part-A

Part-B

Color

 

Red/White/Others

Clear

Viscosity, CPS

 

20,000

25,000

Specific Gravity

 

2.22

2.25

Mix Ratio (by volume)

1:1

Mixed Viscosity, CPS

20,000

Pot Life @ 72° F, hrs.

45

Shelf Life @ 72° F, months

12

Hardness, Durometer Shore A

70

Tensile Strength, PSI

650

Tensile Elongation, %

70

Tear Strength, Die B lb/in.

28

Linear Shrinkage, %

0.1

Service Temperature Range, °C

-54 to 260

Coefficient of Expansion, ° C

17 x 10-5 

Dielectric Strength, Volts/Mil

450

Dielectric Constant 100 HZ

3.4

Dissipation Factor 60 HZ

0.001

Volume Resistivity, ohm-cm

1 x 1014

Thermal Conductivity, BTU in/ft 2 hr ° F

10

 

Use Instructions:

Pre mix RTV-793 thoroughly. Weigh out the required amount of Part A and add the required amount of Part B. Mix thoroughly scraping both the bottom and sides of the mixing container. Evacuate the air and then apply.

Cure Schedule:

24 hours @ room temperature

4 hours @ 150°F

Pot Life and cure is dependent on temperature.

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