Qreat Wefiern {n^b", Corporotion

8713 Cletq $1ps1Downey, Cqliforniq

WHOLESALE LUMBER & WOOD PRODUCTSALL SPECIES

BRADSHAW 2.7943

400 North Camden Drive, Beverly Hills, California

Woodworking Industry Estoblishes

First Porticleboqrd Stqndord

Nationally recognized quality requirements lor Particleboard are described in the 500th Commodity Standard to be adopted by industry and published by the U. S. Department of Commerce, since this Government-industry cooperative program was begun tn 1921, according to the Department's Commodity Standards Division, Office of Technical Services.

Printed copies of this newly established Commercial Standard for Mat-Formed Wood Particleboard for Interior Use, CS236-61, are now available for 10 cents each from the Superintendent of Documents, Government Printing Office, Washington 25, D. C.

The Commodity Standards Division which assistecl the National Particleboard Association in developing the standard, has worked closely with hundreds of industry organizations over the past 40 years in establishing voluntary trade standards for manufactured products through public acceptance by individual organizations. This

DIRECT service to industry is furnished upon request. ii,:

This newest standard became effective for new production June 1, 1961, after having been widely endorsed by many manufacturers, and b)'representative distributors, builders, and architects, as well as by some furniture, plywood, and adhesive manufacturers.

It was developed in cooperation with the Forest Products Laboratory in Madison, Wisconsin, and covers performance criteria for modulus of rupture and elasticity, internal bond, linear expansion, and screw holding ability. A uniform method of grade marking each panel of Commercial Standard quality particleboard with the symbol "C5236-61," is also provided for the benefit of consumers. A Standing Committee of the industry has been formecl to keep the Standard up-to-date. Mr. Raymond C. Platow, Technical Director, lI. S. Plywood Corporation has been designated as the Chairman. Other producer representatives are Ralph G. Peinecke of Pope and Talbot, Oakridge, Oregon, Robert D. Pauley of Weyerhaeuser Co., Tacorna, Washington, and Richmond Gray of Gray Products Co., Waverly, Va.

-'.E'..'''*'.z'.d.lrdAl.lEtIlonalvarnlsneSontneSee.\Lerlorw,O0us its gloss and show no edge peeling or other surface failures after three years. Conven- begin to dull, erode, stain and streak within one year.

In addition to exterior wood, urethane coatings formulated with Nelco 70-A resin are excellent for use on wooden boats, floors and lawn furniture.

Clear coatings based on Nelco 70-A can be formulated to give a low-gloss, satin finish by

Left: Herb Mcwilliqms, owner, surveys the domoge done by recenf fire. Middle: qnother view of the incorporating a flatting agent' The urethane destruction done fo one worehouse. Right: H. Y. "Robbie" Robinson, monoger, views the ruins. finish can also. be lightly pigmented to make a "varnish stain."

MCWilliqmS WOfehOUSe

by both the city and county fire depariments tltiueral spirits. The formulator needs to add lulters Frre a residence. Only exceptionally fast action Nelco 70-A resin is 70 per cent solids in )

Fire of unknown origin destroyed a 2i,xl50, prcvented the fire from spreading to the only solvent and metal catalysts to make a warehouse belonging to NIcWillia'rs Lumber tlwelling and the rest of the lVlcwilliams stable one-package urethane coating' company of Modesto at z p.m. Thursday, opcration. Dealer Mcwilliams estimated fire clear urethane finishes based on Nelco August 29. The warehouse was located be- damage at approxinately $25,000. The ware- 70-A resin include "commodore Spar" by tweerl the company,s store and another house contained dry lumber, doors and some B:::[lil, "r.?]+i, "l$,.Iillt'n".3""';.,i1;; warehouse, and was also closely backed by plywood.

Sprr" -by Walter N. Boysen Co., Oakland, 'i: Calif.; ,,Super-Spar" by H. B. Davis Co.,

: Lonq-Lqstinq Exterior Wood Northeastern Laboratories, says that the Baltimore, Md.; "Poly-Var" by Federal Paint

..: VqriishesM-adeWith coatings are characterized by outstanding Co., Inc., Newark, N.J.; "Uravar" by Mclr'l . X"* Ur"ifrii" n"rin resistance to weathering and abrasion, high Dougall-Butler Co., Inc., Bufialo, N.Y.; - surface adhesion and ease of application. The "Hue-All Spar" by Peerless Paint and Clear urethane coatings that will retain coatings can be easily sprayid or brushed Varnish Co.,'Brooklyn, N.y.; and,,V-2 Spar -, longer than conventional finishes have been Becaus=e the varnishes dry in two to four town, Pa. 'i developed for use on cedar, cyprus, redwood hours, two coats can be applied in one day, For more information, write Dept. NA and other types of exterior wood paneling. he adds.

105, National Aniline Dirrisiotr, 40 Rector coat because of their oilv nature. He states 70-A, a new urethane resin ofiered by North- finishes based on Nelco 70-A are superb for eastern Laboratories Company, Inc., Brook- application to cedar, cyprus and redwood 1yn, N.Y. Paul S. Eckhoff, Vice President of pinelirg-surfaces normally very hard to

The urethane finishes are made with Nelco According to Mr. Eckhoff, clear urethane Street, New York 6, N.Y.

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