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■Resin dust fall
(Test method)
Weight change ratio of test piece,after shaking punched test pieces(90mm×50mm×12sheets) 500 times in a glass bottle,is defined as resin dust dall(%).
(Formula)
Resin dust fall (%) = ("Initial weight" - "Weight of after shaking treatment")/"Initial weight" ×100
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■Bending strength
(Test method)
JIS K 6911 (Head speed：0.5mm/min. Fulcrum distance:16mm)
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