Timber branding

Details Timber branding Timber branding

B - Operations, Transporting

27

K

6/23

B27K 5/02 (2006.01) B27K 5/00 (2006.01) C09D 15/00 (2006.01)

Patent

CA 1257754

ABSTRACT "Timber Branding" Freshly sawn green timber is branded with identification or grading symbols using an aqueous acid solution of ferric ions to produce blue-black markings. A suspension of iron oxides in a solution of ferric chloride and ferric nitrate produced by dissolving iron in a mixture of hydrochloric and nitric acids gives particularly good results.

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