Identity elements
Reference code
Name and location of repository
Level of description
Item
Title
D57322-13
Date(s)
- 1951-04-01 (Creation)
Extent
Name of creator
Content and structure elements
Scope and content
Plywood plant at Garibaldi, Oregon. Exterior type fir plywood panels for boats and other outdoor uses are fed into a giant hot press. Heat and pressure "cure" the phenolic resin adhesive producing a irreversible bond between the plys stronger than the wood itself. One of the most important steps in plywood technology was the discovery in the 30's of a waterproof glue that made plywood resistant to extremes of temperature and moisture and a stronger product than the original wood. Exterior fir plywood with waterproof bond is tested by boiling for hours, drying and boiling again. Under the industry's quality control program, 500,000 random production line samples were tested annually in the manufacturers two labs. ("The Plywood Age" by Robert M. Cour")
Plywood; Lumber industry--Oregon--1950-1960; Oregon-Washington Plywood Co. (Garibaldi, Or.);