Polymer Systems
Technology Limited

Advanced Engineering

Optoelectronics:
Electronics:

R-2613

Potting and Encapsulating Elastomers

Clear Silicone Potting Elastomer

DESCRIPTION

Two part, Clear, 10:1 Mix ratio (A:B)
Pourable and self-leveling
Cures at room temperature
REACh and RoHS compliant
Tested per UL-94 and passed V-0

APPLICATION

Good optical clarity allows for photonic coupling and visual inspection during component assembly
Low viscosity allows the potting of complex geometries without the entrapment of air
Superior UV and weathering resistance for protection of outdoor electronic components
Applications include: potting for optical sensors, components and various electronic devices

PROPERTIES
Typical Properties	Average Result
Uncured:
Appearance, Mixed	Colorless
Viscosity, Part A	5,500 cP
Viscosity, Part B	125 cP
Mixed Viscosity	4,000 cP
Work Time (Pot Life)	2 hour minimum
Cured: 10 minutes at 150°C (302°F)
Durometer, Type A	45
Tensile Strength	1,140 psi (7.9 MPa)
Elongation	150%
Tested per UL-94 (4.7 mm nominal thickness)*	Passed V-0
Volume Resistivity	4 x 10¹⁴ Ohm cm
Thermal Conductivity	0.15 W/mK
Dielectric Constant, 100 Hz*	2.4
Dielectric Constant, 100 kHz*	2.3
Dissipation Factor 100 Hz*	0.0004
Dissipation Factor 100 kHz*	0.0008
Dielectric Strength	660 Volts/mil (25.8 kv/mm)
Glass Transition Temperature (Tg)	-120°C
Coefficient of Thermal Expansion (-40°C to -250°C)	305µm/m°C
% Linear Shrink (1 hour at 90°C)*	1.5%
% Linear Shrink (1 hour at 110°C)*	2.0%
Recommended Cure Times based on 90% cure via ODRs **
T90 at 90°C	50 minutes
T90 at 110°C	40 minutes

*These properties NOT tested on a lot-to-lot basis. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Packaging

37 mL Side-by-Side Kit
250 mL Side-by-Side Kit
500 Gram Kit
1 Gallon Kit (4.04 kg)
5 Gallon Kit (20.2 kg)
Drum Kit (198.5 kg)

Warranty

12 Months