List of Publications On Kiln Drying, Physical Properties of Wood, Wood Structure
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It is expected, however, that these experiments will ultimately give valuable data on the suitability of sodium fluoride as a wood preservative. The present 3uropean practice in impregnation treat- ments of sodium fluoride is to inject from 0.4 to 0.5 lb. of sodium fluoride per cubic foot of wool. Where the sodium fluoride and zinc chloride process is used, about l/4 lb. of each is injected per cubic foot. Sodium fluoride appears to be especially suited as a preservative for wood to be used in ...warehouses, dwellings and various other kinds of building construction, i'or this purpose it can be applied to the timber by the ;L.o-called steeping process, in which the wood is allowed to soak in vats containing a solution, or it can be applied to better advantage at a central treating plant by means of the pres- sure process. It is believed to be better fitted for this character of work than any of the other common wood-preserva- tives; for example, it has the advantaige of sine chloride -5- of being less deliquaocont , and hence ioes not absorl) moist- ure from the air so reaiily, ani it also appears to have no effect upon paint coatings, ' Unli::r8 mercuric chloriie, soliura fluoriie is not a very poisonous material, and it is not corrosive on iron or steel.
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