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procedure for pcb crushing process guam

Oct 15 2015 · To make the Etching process faster you can either stir the solution with PCB dipped in every 23 minutes or you can use some warm water to make the solution Step 8 Now rub the PCB with the steel wool or fine sand paper to remove the black ink or you can use thinner Acetone on a piece of cotton to remove Black ink... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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