配方

配方类型

配方说明

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ADHESIVES

Delayed-Tack Adhesive (U.S. Patent No.2,462,029) (U.S. Patent <br/> 2,613,156)

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METAL TREATMENTS

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METAL TREATMENTS

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METAL TREATMENTS

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METAL TREATMENTS

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METAL TREATMENTS

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METAL TREATMENTS

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METAL TREATMENTS

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METAL TREATMENTS

decorative designs can be etched on silver with <br/> chlorine free nitric acid. for matt effects, use the <br/> acid at 24? be. another mordant for silver is:

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METAL TREATMENTS