1. Methods of testing refractory materials. Unshaped refractories used in monolithic construction. Preparation of test pieces from insulating castables (method 1902-704) Part 7.4, (30th January 1987) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (10 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗