B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
117/95
B32B 15/20 (2006.01) F01N 13/16 (2010.01) B05D 7/00 (2006.01) B05D 7/16 (2006.01)
Patent
CA 1243562
HEAT RESISTANT PRECOATED STEEL SHEET AND PROCESS FOR THE PRODUCTION THEREOF Abstract of the Disclosure A heat resistant precoated steel sheet suitable for use in the manufacture of a muffler of an automobile exhaust gas system comprising : a hot dip aluminized steel sheet, a chromate pretreatment layer formed on at least one surface of said hot dip aluminized steel sheet and having a chromium pick-up of 10 to 50 mg/m2, a primer coat formed on said pretreatment layer and comprising a cured polyamide imide resin and 8 to 52 parts by weight, based on 100 parts by weight of said resin, of strontium chromate intimately admixed with said resin, and a top coat formed on said primer coat and comprising a cured polyamide imide resin and 8 to 32 parts by weight, based on 100 parts by weight of said resin, of aluminum scale intimately admixed with said resin.
500059
Masuhara Kenichi
Wakabayashi Kouji
Yamayoshi Kazuo
Nisshin Steel Co. Ltd.
Riches Mckenzie & Herbert Llp
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