To the basis of a 50% wet pickup, the following solution is prepared V.M.&P. Naphtha or Stoddard Solvent/44.0 gal. "G-4" Technical/3.0 lb. 99% Isopropyl Alcohol/4.0 gal.
配制方法:
The "G-4" is dissolved in the isopropyl alcohol; this solution is then added to the petroleum solvent with constant stirring. The final mixture is padded on at 50'C. Adequate precautions must be taken against health and fire hazards. Solvent applications are advantageous on heavy or tightly woven fabrics, such as stiff webbings, rope, heavy ducks, etc., as the fibers are quickly penetrated. for water repellency, a suitable solvent-soluble repellent should be dissolved in the petroleum solvent in the proportion normally recommended by the manufacturers. the solvent method is the only suitable procedure for treatment of textiles with a combination of "G-4" and copper naphthenate.
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