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GE RTV Silicone Adhesive Sealant, Electronics Grade, General Purpose One-Part, 10.1-oz. Cartridge Zoom

GE RTV Silicone Adhesive Sealant, Electronics Grade, General Purpose One-Part, 10.1-oz. Cartridge

  • Part# RTV162
$54.00 Online Price
23.1% Discount, Regularly $70.20

Overview

  • Non-corrosive to electronic metals, including copper and brass
  • Low odor cure, releasing an alcohol vapor from the sealant surface during cure
  • UL Recognition (UL File No. E-36952. Refer to Momentive Performance Materials Publication (4320) for additional information.
  • Retains elastomeric properties for long periods at temperatures from -60 (-75F) to 205C (400F) and for short periods up to 260C (500F).
  • Cures at room temperature
  • One-part, easy to use
  • Excellent resistance to moisture, dust, dirt, UV, ozone and chemicals in addition to excellent electrical insulation properties

RTV162 is recommended for sealing and bonding electronic components onto PC boards, and protecting copper connections on electronic parts assemblies. Tack free time of RTV162 is 4 hours.  Packaged in 10.1-oz. cartridges and can be dispensed by using simple mechanical caulking guns or air-operated guns.

Additional Resources

GE Silicones RTV162 Education

Surface Preparation

RTV160, RTV162 and RTV167 adhesive sealants will bond to many clean surfaces without the aid of primers. These surfaces normally include many metals, glass, ceramic, silicone rubber and some rigid plastics. These adhesive sealants will also bond to some organic rubbers and flexible plastics not containing fugitive plasticizers (those that migrate to the surface impairing adhesion). An evaluation should be made to determine bond strength for each specific application.

For difficult-to-bond substrates, use of a primer is suggested. SS4004, SS4044 and SS4179 primers are recommended for use with RTV160, RTV162 and RTV167 sealants. 

Where adhesion is required, surfaces should be thoroughly cleaned with a suitable solvent to remove dirt, oil and grease. The surface should be dry before applying the adhesive sealant.

When solvents are used, proper safety precautions must be observed.

Cure Time Cycle

RTV160, RTV162 and RTV167 adhesive sealants may be applied directly to a clean or primed substrate. The adhesive sealant begins to cure on exposure to moisture in the air at room temperature. Where broad surfaces are to be bonded the sealant should be applied in a thin, less than 6mm (¼ in.) diameter bead or ribbon around the edge of one of the surfaces.

The cure process begins with the formation of a skin on the exposed surface of the sealant and progresses inward through the material. At 25C (77F) and 50% relative humidity, these products will form a surface skin which is tack-free to the touch in about 4 hours. Once the tack-free skin has begun to form, further tooling of the adhesive sealant is not advisable.

High temperatures and high humidity will accelerate the cure process low temperatures and low humidity will slow the cure rate.

As the adhesive sealant cures, alcohol vapors are released from the sealant surface. This by-product of cure has a slight, but non-objectionable odor which will completely disappear after curing is completed.

A 3mm (1/8 in.) section of adhesive sealant will cure through in approximately 48 hours at 25C (77F) and 50% relative humidity. Since cure time increases with thickness, use of RTV160, RTV162 and RTV167 sealants should be limited to section thicknesses of 6mm (¼ in.) or less.

 


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