Aerospace Sealants Quick Reference Guide: PRC® Seal Caps and Standard PRC® Nut-Plate Caps

2022-10-09
■PRC® SEAL CAPS are the aerospace industry's easiest way to seal fasteners. PRC Seal Caps are delivered as pre-cured, pre-formed sealant in a specified size and shape customized to your application. To apply, wet sealant is extruded to the inside of the cap and placed onto the top of the fastener, allowing excess sealant in the cap to squeeze out around the base.
■For the most efficient method of sealing fasteners, use PRC Seal Caps that are pre-mixed and frozen (PMF). PMF caps are pre-filled and then frozen at one of our application support centers, then delivered directly to the customer's location. Simply thaw the caps for several minutes and place on your fasteners. No additional wet sealant is necessary.
■With PRC Seal Caps, application times are reduced by up to 90% and seals are perfect every time. The following tables provide the measurements of many of our current seal cap configurations and can be used to help determine a size that fits your application.

PPG Aerospace

Seal CapsNut-Plate Caps

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