Royal Adhesives and Sealants LLC Announces the Qualification of Hardman WS 8032 to Aerospace SAE Industry Specification

SOUTH BEND, IN, May 27 (MARKET WIRE) --
Royal Adhesives and Sealants LLC announced today that its Hardman(R) WS
8032 Light Weight Rapid Curing manganese dioxide cured polysulfide
aircraft sealant has been fully qualified to SAE International's
aerospace material (AMS) 3281D type II Class B aircraft fuel tank sealant
specification.

Hardman(R) aircraft sealants are manufactured at Royal Adhesives and
Sealants' Wilmington, CA facility, which has been certified to the AS
9100, ISO 9001/2000 and AS7200/1 NADCAP quality systems requirements and
sold to aerospace and defense customers that require qualified sealants
for demanding fuel tank and environmental sealing applications.

Ted Clark, Chief Executive Officer of Royal, commented: "This product
qualification is a significant achievement for the company and underscores
our efforts to listen to customers' requirements for improved performance
and quality at a lower cost. WS 8032 is a low-density sealant with a
specific gravity of 1.1 or a 30% weight savings over traditional aerospace
sealants. WS 8032's cure rate is 50% faster than current generation fuel
tank sealants, allowing for faster aircraft assembly. This reduces
maintenance and repair time which will reduce our customers' overall
costs."

AMS 3281D qualified aircraft sealants are used on the most advanced
military aircraft. In addition to providing a 30% weight savings and a 50%
faster cure rate, WS 8032 is highly resistant to aviation gasoline and jet
fuel as well as chemicals and petroleum products common to the aircraft
industry. WS 8032 offers excellent flexibility and bond strength to most
metal substrates like aluminum, stainless steel, steel, advanced
composites and many coatings under extremes of temperature, weathering
and stress.

Jeff Swindells, Product Manager Aerospace Sealants, also commented, "The
qualification of Hardman(R) WS 8032 RC aircraft sealant to AMS 3281D in
addition to the 30% weight saving was developed to have a 50% faster cure
rate. For example, WS 8032 Class B-2 has a work life of two hours and will
cure to a 30 shore A in just 12 hours compared to 24 hours for standard
sealants resulting in a 50% reduction in the time required in aircraft
production and maintenance sealing times, reducing cost and improving
production and maintenance turnaround times."

Royal Adhesives and Sealants' Wilmington, CA division is focused on
serving both domestic and international clients in the aerospace and
defense market and is a leading manufacturer and marketer of polysulfide
sealants and electrical potting compounds for aerospace, defense and
marine applications and specialty epoxy coatings for industrial
maintenance applications.

High performance adhesives, sealants, encapsulants, potting compounds, and
mirror mastics make up the Royal Adhesives & Sealants product mix. These
high performance products are used in a variety of markets including
aerospace and defense, assembly, automotive and recreational vehicle,
electrical/electronic, filter, marine, and general industrial. The company
also offers a broad spectrum of thermosetting epoxy and urethane,
solvent-based, and water-based technologies to meet the most demanding
adhesive and sealant applications.

About Royal Adhesives and Sealants LLC

Royal Adhesives and Sealants is a manufacturer and marketer of industrial
adhesives and sealants, commercial roofing adhesives and mirror mastics.
Royal manufactures both solvent-based and water-based adhesives and
sealants that are packaged in a variety of packages including totes,
drums, pails, cartridges and foil wrapped sausages.

For more information please visit www.royaladhesives.com

Enquiries
Royal Adhesives and Sealants LLC

Ted Clark
Chief Executive Officer
626-203-3745

Jeff Swindells
Product Manager
562-810-4872

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