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Hollow glass microspheres in type Ⅱ class 3 epoxy zinc-rich primer for iron phosphate replace discussion
GB HG / T3668-2009 stipulates mass less than 60% zinc can not be called rich epoxy primer, primer in three categories zinc content can no longer little, hollow glass microspheres can only to replace the iron phosphate.
With the same mass of hollow glass microspheres S38HS to replace the anti-rust paint iron phosphate, zinc in non-volatile component to ensure the proportion is still 61%. Experimental Design 6 recipes, hollow glass microspheres proportion from 0 to 5%.
With the same mass of hollow glass microspheres S38HS to replace the anti-rust paint iron phosphate, zinc in non-volatile component to ensure the proportion is still 61%. Experimental Design 6 recipes, hollow glass microspheres proportion from 0 to 5%.Formulations 2 to 5 can meet the national standard recipe Ⅱ type epoxy zinc-rich primer Class 3 requirements, although at the expense of a little performance, but can reduce some costs. If you replace the ball with a hollow glass beads iron phosphate cost savings, go with the high price of zinc to replace the low price of iron phosphate, so that they can pay back part of the salt spray resistance.