FIELD: construction.
SUBSTANCE: invention relates to the field of architectural materials and construction and concerns a decorative sheet and a decorative plate with mirror surfaces. Sheet comprises at least a base sheet and a surface protective layer and has a crack extension of 10 to 20 %, the base sheet is formed of a polypropylene resin and has a thickness of 150 to 500 mcm, the average surface roughness on a ten-point scale (Rzjis), measured in accordance with JIS B 0601:2001, 5 mcm or less, and the surface protective layer is a cured product of a resin composition capable of curing by exposure to ionizing radiation has a thickness of 7 to 17 mcm.
EFFECT: invention provides a decorative sheet and a decorative plate with a mirror surface having excellent mirror properties, excellent surface properties and excellent processing ability, in which neither elastic return nor cracking occurs during the processing steps.
7 cl, 4 dwg, 2 tbl
Authors
Dates
2018-08-23—Published
2015-03-19—Filed