EN ISO 11127-4:1997 Preparation of steel substrates before application of paints and related products Test methods for non-metallic blast-cleaning abrasives Part 4: Assessment of hardness by a glass slide test ISO 11127-4: 1993
2020EN ISO 11127-4:2020 Preparation of steel substrates before application of paints and related products - Test methods for non-metallic blast-cleaning abrasives - Part 4: Assessment of hardness by a glass slide test (ISO 11127-4:2020)
2011EN ISO 11127-4:2011 Preparation of steel substrates before application of paints and related products - Test methods for non-metallic blast-cleaning abrasives - Part 4: Assessment of hardness by a glass slide test
1997EN ISO 11127-4:1997 Preparation of steel substrates before application of paints and related products Test methods for non-metallic blast-cleaning abrasives Part 4: Assessment of hardness by a glass slide test ISO 11127-4: 1993