LOCTITE STYCAST SC3613

Harmonization Code : 3910.00.00.90 |   Silicones in Primary Forms; Others
Main features
  • Elastomeric
  • Optically clear
  • Low viscosity

Product Description

LOCTITE® STYCAST SC 3613 protective coating is engineered to meet the high reliability performance requirements for the optoelectronic / semiconductor industry. It minimizes alpha particle interactions with sensitive circuitry. Typically used for LEDs, LED display coating and IC and hybrid passivation.

LOCTITE® STYCAST SC 3613 is a thixotropic, silicone based, optically clear, low stress elastomer that manages to achieve high purity, low viscosity, and low temperature cure while at the same time offers an operating temperature of -40 to 200°C

Cure Schedule ​

  • 5 minutes @ 175°C or
  • 10 minutes @ 160°C or
  • 30 minutes @ 120°C

Post Cure

  • 1 to 2 hours @ 150°C​
Product Family
SC3613  
10cc Syringe

Catalog Product

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Packaging
TDS, SDS & Technical documents

Technical Specifications

General Properties
Specific Gravity
Specific Gravity
Specific gravity (SG) is the ratio of the density of a substance to the density of a reference substance; equivalently, it is the ratio of the mass of a substance to the mass of a reference substance for the same given volume.

For liquids, the reference substance is almost always water (1), while for gases, it is air (1.18) at room temperature. Specific gravity is unitless.
 0.96
Shelf Life
Shelf Life @ -40°C 274 days
Electrical Properties
Dielectric Constant
Dielectric Constant @ 23 ˚C/1 kHz 3.01/0.001
Mechanical Properties
Hardness
Durometer (Shore A) 30
Physical Properties
Viscosity
Viscosity
Viscosity is a measurement of a fluid’s resistance to flow.

Viscosity is commonly measured in centiPoise (cP). One cP is defined as
the viscosity of water and all other viscosities are derived from this base. MPa is another common unit with a 1:1 conversion to cP.

A product like honey would have a much higher viscosity -around 10,000 cPs-
compared to water. As a result, honey would flow much slower out of a tipped glass than
water would.

The viscosity of a material can be decreased with an increase in temperature in
order to better suit an application
 3,500 mPa.s