1. Methods of testing plastics. Chemical properties. Determination of acetone-soluble matter (resin content of the material in the unmoulded state) of phenolic moulding materials Part 4 Method 451C, (28th February 1978) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (8 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗