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prussell 04-22-2004 06:06 PM

bleaching teak
 
After stripping I''m having trouble removing some gray areas in my teak cap rail prior to sanding and varnishing. I''ve tried oxalic acid, numerous cleaning materials,and some teak cleaners,as well as sanding and have not had very good results. Any suggestions? Thank you.

RichH 04-22-2004 06:52 PM

bleaching teak
 
TriSodiumPhosphate (TSP) or a strong sodium silicate based inorganic detergent will strip the grey.
Oxalic is used for bleaching/brightening AFTER the TSP or caustic strip.

Jeff_H 04-23-2004 03:18 AM

bleaching teak
 
Both TriSodiumPhosphate (TSP) and oxalic acid will eat out the soft wood while leaving the harder annular rings untouched, making it had to get a proper finish and shortening the life of the wood.

Jeff

sadie14 04-23-2004 03:44 AM

bleaching teak
 
Teak Wonder (a 2 part system) is very good. I''ve had great results with it.

Use a white tile scrubbing pad, nothing with bristles.

phunter 04-23-2004 06:20 AM

bleaching teak
 
Jeff is correct. I favor houshold bleach and a light sanding so that not much material so lost.
Mix asolution of 20% bleach to water and brush it on, let it sit a few minutes and hose it off. Try it in a hidden area first to get a feel for the effect.


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