Title: General Refractories Company Catalog Pages
Author: General Refractories Company
GREFCO Plastic Insulation is described as containing mineral wool, long fiber asbestos, and a high temperature binder. It was suitable for temperatures up to 1800 F and could be fully reclaimed and reused if not exposed to temperatures over 1000F. It was shipped in bags.
General Refractories Company
2 pages of product descriptions
Date: No copyright date, but this was removed from a 1944-1945 bound collection.
Condition: Good. Pages are separated. Some wear to edges.