Description
Shin-Etsu KE1311T is a high-strength, high-modulus addition-cure silicone encapsulant supplied in a 20 kg pail for use with the separately sold CAT-1310 platinum catalyst. Addition cure is a two-part mechanism that can provide deep cure, but exact shrinkage, cure conditions, and final properties must come from the KE1311T technical data.
Where This Encapsulant Is Used
Use this encapsulant only after validating the exact KE1311T/CAT-1310 system for the intended assembly or mold. Shin-Etsu warns that addition-cure silicone is vulnerable to cure inhibition; sulfur, amines, organotin compounds, some plasticizers, and contaminated tools can interfere with cure rather than make the catalyst more resistant.
How This Encapsulant Cures and Performs
The related KE-1311/CAT-1310 family is identified as an addition-cure mold-making silicone. Do not infer universal electronics-potting suitability, adhesion, easy release, mix ratio, working time, or cure schedule from another KE-series grade. Follow the current KE1311T and CAT-1310 technical data, and run compatibility and cure tests on the actual substrates before production.
KE1311T Specifications
| Property | Value |
|---|---|
| Chemistry | Addition-cure (platinum) silicone |
| Catalyst | CAT-1310 (sold separately) |
| Cure mechanism | Platinum-catalyzed addition cure |
| Key properties | High tear strength, high modulus, low shrinkage |
| Typical use | Encapsulation, potting, and mold-making evaluation per exact TDS |
| Package size | 20 kg pail |
| Manufacturer | Shin-Etsu Chemical |
Chemical Concepts stocks KE1311T alongside the CAT-1310 catalyst it requires and other Shin-Etsu potting and mold-making silicones. Browse the potting compounds category for compatible catalysts and package sizes. Shin-Etsu Chemical manufactures the full KE-series silicone line this product belongs to. See Shin-Etsu Silicone for the broader RTV and mold-making product range.
Need help pairing this material with the right catalyst ratio for your pour? Call (800) 220-1966 or email [email protected].
For lot control, record the base and catalyst lot numbers, weighed quantities, mix start time, ambient conditions, cure observations, and test-coupon result. These records help distinguish a material issue from ratio error, contamination, or an unsuitable cure environment.
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