BACKING PLATE FOR FORMING HOLE, AND METHOD FOR FORMING HOLE

摘要

PROBLEM TO BE SOLVED: To provide a backing plate for forming a hole which has a lubricant layer which is excellent in adhesion property to an aluminum substrate, but is non-sticky, excellent in anti-blocking performance and also readily washable after being processed.

SOLUTION: The backing plate 1 for forming a hole includes the lubricant layer 3 which is formed on at least one surface of the aluminum substrate 2. The lubricant layer 3 is formed of a mixture composition containing a crystallizable water soluble resin and a crystal nucleation agent and has a thickness of 0.01-0.50 mm.

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