Printer Friendly

HFC-245fa Tested in PUR Sprayed Foam Roofing.

This past summer, Honeywell Fluorine Products, Morris Township N.J., ran a trail of PUR foam sprayed with Honeywell's new HFC-245fa ozone-friendly blowing agent. The foam was applied at Honeywell's Aerospace Electronics Systems in Boyne City Mich 2400-sq-ft section of the roof was sprayed with a PUR system from BASF Corp. Wyandotte, Mich. "We confirmed that HFC-245fa systems can be applied at a cost equivalent to that of HCFC-14lb systems," noted Terry Sutter, general manager of Honeywell Fluorine Products.

HFC-24fa is a substitute for HCFC-14lb, which is due to be phased out. HFC-245fa is now in semi-commercial production. Honeywell's first full-scale plant will start up in Geismar, La., in mid-2002.

"We sprayed HFC-245fa foam for the first time and it worked extremely well," said Dick West, owner of West Roofing Systems, LaGrange, Ohio. "We had no creep or crawl. Application of HCF-245fa foam appears to be esier than with HCFA-14lb. We maintain a more uniform pattern." AT 90 F, drum pressures were lower than for an HCFC-14lb system and there was no forthing.

BASF has worked with HFC-245fa in foam roofing for over two and a half years. Says Tom Harris, spray-foam product manager. "In comparison with HFC-14lb, HCF-245fa formulated to the same density offers finer cell structure less pinholing, and less creeping HFC-245fa foam has higher compressive strength (60 psi at pcf density). Also HFC-245fa offers a broader processing window due to it slower boiling point."
COPYRIGHT 2001 Gardner Publications, Inc.
No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 2001, Gale Group. All rights reserved. Gale Group is a Thomson Corporation Company.

Article Details
Printer friendly Cite/link Email Feedback
Title Annotation:as blowing agent
Comment:HFC-245fa Tested in PUR Sprayed Foam Roofing.(as blowing agent)
Publication:Plastics Technology
Article Type:Brief Article
Geographic Code:1USA
Date:Nov 1, 2001
Words:237
Previous Article:PUR High-Pressure System Now in Entry-Level Model.
Next Article:Soy-Based RIM Panels Used on Farm Tractors.
Topics:


Related Articles
Blowing agents: product lines reviewed.
Blowing agents: handicapping the CFC substitutes.
Long-term environmental solutions drive PUR developments.
'Third-generation' blowing agents starred at Polyurethanes '95.
HFC-365mfc Is Headed for Large-Scale Production.
BLOWING AGENTS.
URETHANE CURATIVES.
Blowing agents. (Product Lines Reviewed).
Meeting the deadline: urethane foams move from HCFCs to 'cleaner blowing agents.
Urethane curatives.

Terms of use | Copyright © 2018 Farlex, Inc. | Feedback | For webmasters