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What's the meaning of "DOUBLE RUBS" out of "Solvent Resistant : 100 double rubs" ?



(-----) 2006

Dear Messrs :
who can help explain the meaning of "double rubs" ? as I know ,it's a certain unit ;however, it's too unclear concept , I wonder to know the whole story !
Appreciate your kind attention and reply for this question !
thanks !

Who can help explain what electrostatic spray is and how it classify into different classes ? what's more , its classes conclude that "COLD' level, doesn't it? Appreciate your swift explanation for this !

what's the meaning of "60"-LB @ 2.5-3.0 MILS" ? and what does LB mean ? thanks !

What's nickel strike? anyone can help introduce nickel strike in detail ?

Lawrence Cheung
- DongGuan, China
^

Ed. note: Lawrence, , it would be ideal to retain a metal finishing consultant or at least align yourself with local suppliers who can walk you through these issues, hands-on. Good luck.


2006

Lawrence, the answer to your first questions is easy. A double rub in the solvent resistance test is the forward and back motion made with a cloth wet with the solvent specified, pressing against the painted surface.

Roy Nuss
Trevose, Pennsylvania, USA
^

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