DIN EN ISO 11126-9-2005 涂装油漆和有关产品前钢材预处理.非金属喷砂清理磨料的规范.第9部分:十字石
Preparation of steel substrates before application of paints and related products - Specifications for non-metallic blast-cleaning abrasives - Part 9: Staurolite (ISO 11126-9:1999); German version EN ISO 11126-9:2004