Material for roofing and facing

Details Material for roofing and facing Material for roofing and facing

1991-01-24

1992-05-19

Zimmerman, John

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

428685, B32B 1504, B32B 1518

Patent

active

051147998

ABSTRACT:
Stainless steel sheets are plated with zinc and further phosphated so as to have chromaticness indices of L=45-53, a=0.0-0.4 and b=1.3-4.4. Thus treated stainless steel sheets have sufficient strength, excellent corrosion resistance and a color well harmonizing with other building materials and environment and do not suffer from color change for a prolonged period of time.

REFERENCES:
patent: 3713902 (1973-01-01), Vrijburg et al.
patent: 4500610 (1985-02-01), Gunn et al.
patent: 4533606 (1985-08-01), Teng et al.
patent: 4885215 (1989-12-01), Yoshioka et al.
patent: 4897317 (1990-01-01), Kanamaru et al.

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