SS-28 Product Description
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SS-28 is an electrically conductive, addition curing silicone. SS-28 is a 1-Part silicone that when applied to the substrate followed by a short heat cure, allows handling of the assembly within minutes. SS-28 works well in manual and automatic dispensing equipment.
Product Features
- Fast heat cure
- Thixotropic paste
- High temperature resistant
- Non-corrosive
- 1-Part addition cure
Product Applications
- Form in place gaskets
- Electrically conductive sealant
- EMI/RFI silicone shielding
Chemical cure system
Platinum catalyzed, addition cure system.
Typical Properties
Colors: dark gray
Viscosity, cps 40,000
Specific Gravity 2.29
Consistency : light thixotropic paste
Cure time, mins. @ 150 C 30
Durometer, Shore A 65
Volume resistivity, Ohms/cm 0.06
Conductive filler nickel/graphite
Curing
Typical utilization involves dispensing in open air and after exposure to heat, an electrically conductive rubber is formed
Handling precautions
Avoid contact with tin cured RTV’s, sulphur compounds, azides, imides, latex rubber gloves, and amines as cure system can be deactivated
Method of Application
Dispense sealant onto part. Mate parts, ensuring not all of the product is squeezed out of flange assembly. Allow to cure.
Chemical Cure System
Platinum catalyzed, addition cure system.
Solids
98% solids, contains no solvents
Adhesion
This product offers primerless adhesion to plastics, metals and typical substrates.
Service temperature
-65 to 250 C continuous
Limitations
Do not use product in solvent or fuel immersion applications. Allow to fully cure before putting assembly into service.
Packaging
SS-28 is available in 10.3oz cartridges and 40 lb. pails
Handling and safety
For maximum shelf life, keep containers sealed when not in use. Keep out of the reach of children. Uncured sealant irritates eyes and skin. Refer to MSDS.
Shelf-life
Sealed containers are guaranteed for 6 months from the ship date when stored in a cool dry area below 70 F.
Limited warranty
All recommendations, statements and technical data herein are based on tests
we believe to be reliable and correct, but accuracy and completeness of said
tests are not guaranteed and are not to be construed as warranty, either expressed
or applied. User shall rely on his own information and tests to determine
suitability of the product for the intended use, and the user assumes all
risk and liability resulting from the use of this product. Manufacturer’s
sole responsibility shall be to replace that portion of product of the manufacturer
proves to be defective. Manufacturer shall not be liable to the buyer or any
third party for injury, loss or damage directly or indirectly resulting from
the use of, or inability to use, the product.
Recommendations or statements other than those contained in a written agreement
signed by an officer of the manufacturer shall not be binding by the manufacturer.
This product has not been tested for, and is therefore not recommended for,
uses for which prolonged contact with mucous membranes, abraded skin, or blood
is intended; or for uses which implantation within the human body is intended.

