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Self-Calibrating, Variable-Flow Pumping SystemPumping system provides accurate, controlled flows of two chemical liquids mixed in spray head and react to form rigid or flexible polyurethane or polyisocyanurate foam. Compatible with currently used polyurethane-based coating materials and gas-bubble-forming agents (called "blowing agents" in industry) and expected to be compatible with materials that used in near future. Handles environmentally acceptable substitutes for chlorofluorocarbon foaming agents.
Document ID
19940000466
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Walls, Joe T.
(Martin Marietta Corp.)
Date Acquired
August 16, 2013
Publication Date
August 1, 1994
Publication Information
Publication: NASA Tech Briefs
Volume: 18
Issue: 8
ISSN: 0145-319X
Subject Category
Machinery
Report/Patent Number
MFS-28662
Accession Number
94B10466
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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