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PPG video describes benefits of aerospace sealant caps for fuel tank fasteners

Sunday, June 18, 2017 6:00 pm EDT


"As a result, they can significantly reduce total fastener sealing costs and improve aircraft reliability."

A new video by PPG (NYSE:PPG) describes the quality, time-saving and waste-reducing benefits of dome-sealing aircraft fuel tank fasteners with PRC® seal caps instead of extruded wet sealant. The PPG seal caps are formed and molded from PRC or PRO-SEAL™ aerospace sealant, and then cured to form a flexible rubber shell. The caps can also be supplied prefilled by PPG with the same sealant so they arrive at the customer’s site ready to dome-seal fasteners, eliminating all sealant mixing and tooling.

According to Jason Boast, PPG sealant segment manager for the Americas, the video explains how the same sealants customers already use can be supplied as empty PRC seal caps, which they fill with fresh sealant, or as prefilled caps, which are shipped frozen for them to thaw and apply.

PRC seal caps are formed to fit the fastener, reducing application time and waste while improving quality and consistency for operators of all skill levels,” Boast said. “As a result, they can significantly reduce total fastener sealing costs and improve aircraft reliability.”

Traditionally, fasteners are sealed by extruding wet sealant onto them, and then carefully tooling the sealant to meet the required shape and dimensions, according to Boast. “In this method, it can be difficult to ensure that the sealant shape and dimensions meet quality requirements,” he said. “PRCseal caps are simply placed over fasteners, checked to make sure the wet sealant properly squeezes out around the circumference of the cap, and then allowed to cure. The design of the cap ensures the proper shape and dimensions of the sealant.”

Customers have reported that empty PRC seal caps are up to 58 percent faster and premixed and frozen filled caps are up to 90 percent faster than sealing by extruded wet sealant, according to Boast.

PRC seal caps are in use worldwide by manufacturers of commercial, regional, military and general aviation aircraft.

PPG offers more than 120 sizes of PRC seal caps and also can supply them in custom sizes and shapes to fit unique fastener dimensions. The line includes nut plate caps with and without tops as well.

The video about PRC seal caps is posted on the PPG aerospace website at www.ppgaerospace.com/Products/Sealants/Customized-Sealant-Solutions-(CSS)/PRC®-Seal-Caps.aspx and on YouTube at www.youtube.com/watch?v=Pf40e7NeUlI&feature=youtu.be.

Note to editors: The video produced by PPG may be included in news coverage  www.youtube.com/watch?v=Pf40e7NeUlI&feature=youtu.be .

Visit www.ppgaerospace.com for more information about PRC seal caps, which can be purchased through PPG application support centers that are listed on the website.

Paris Air Show attendees can see samples of PRC seal caps at the PPG exhibit in Hall 2b at Stand C105. The International Paris Air Show is June 19-25 at Le Bourget.

PPG’s global aerospace business offers coatings, sealants, transparencies, packaging and application systems, and transparent armor, as well as chemical management and other services. For more information, visit www.ppgaerospace.com.


At PPG (NYSE:PPG), we work every day to develop and deliver the paints, coatings and materials that our customers have trusted for more than 130 years. Through dedication and creativity, we solve our customers’ biggest challenges, collaborating closely to find the right path forward. With headquarters in Pittsburgh, we operate and innovate in more than 70 countries and reported net sales of $14.8 billion in 2016. We serve customers in construction, consumer products, industrial and transportation markets and aftermarkets. To learn more, visit www.ppg.com.

We protect and beautify the world is a trademark and the PPG Logo is a registered trademark of PPG Industries Ohio, Inc.

PRO-SEAL is a trademark and PRC is a registered trademark of PRC-DeSoto International, Inc.


Media Contacts:
Audrey Fujimoto
Jean Verlich
JV Communications

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