1. Methods of testing plastics. Thermoplastics pipes, fittings and valves. Thermoplastics pipes, for the conveyance of fluids. Resistance to internal pressure. Test method Part 11, (15th August 1997) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗