Loctite Ultra-Clear Two-Part Silicones are for potting and sealing applications where bond line aesthetics are critical. Rapidly bond dissimilar substrates, especially glass; maintain flexibility at high and low temperatures (-60º to 450ºF). Cure to handling strength in 15 min. and offer shelf lives in excess of 12 months at room temperature. 

Loctite 5620T is a fast-curing silicone that cures in 30 min. at room temperature. Loctite 5623T is a tack-free silicone gel that cures in 24 hr. at room temperature or in 1 hr. at 100ºC. Loctite 5625T is a soft, re-enterable gel silicone that allows for potting compound repair and cures in 24 hr. at room temperature or in one hour at 100ºC. All three can be manually or pneumatically dispensed.

Reportedly resist temperatures up to 230ºC and cure through large gaps and enclosed bond lines. Require no primers and are low-odor.

Henkel Corp., www.henkelna.com