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RTV-715

RTV-715

Optically Clear Silicone

 

Description:
RTV-715 is an addition cure, optically clear, RTV silicone rubber.  It has excellent release capabilities, is low viscosity, RTV 715 finds use in roller coatings and electronic encapsulation and embeddment. It can be cured rapidly at elevated temperatures, is odorless, and non-toxic.

 

Properties:

Part-A

Part-B

Color

 

Clear

Clear

Viscosity, CPS

 

200

200

Specific Gravity

 

0.98

0.98

Mix Ratio (by weight or volume)

100:10

Mixed Viscosity, CPS

200

Pot Life @ 72° F, min.

60

Shelf Life @ 72° F, months

12

Hardness, Durometer Shore A

45

Tensile Strength, PSI

750

Tensile Elongation, %

120

Tear Strength, Die B lb/in.

15

Linear Shrinkage, %

0.2

Service Temperature Range, °C

-54 to 204

Coefficient of Expansion, ° C

27 x 10-5 

Dielectric Strength, Volts/Mil

500

Dielectric Constant 100 HZ

3.0

Dissipation Factor 60 HZ

0.001

Volume Resistivity, ohm-cm

1 x 1015

Thermal Conductivity, BTU in/ft 2 hr ° F

1.2

 

Use Instructions:

Pre mix RTV-715 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