Thomas Edison. Thomas Alva Edison (February 11, 1847 â October 18, 1931) was an American inventor and businessman, who has been described as America's greatest inventor. He developed many devices that greatly influenced life around the world, including the phonograph, the motion picture camera, and the long-lasting, practical electric light bulb.
Pipe dope, or pipe joint compound, is a gooey compound used to seal the connection between threaded pipes and fittings. Because the threads in pipes and fittings still leave an air gap between the two surfaces, the gap must be filled to make it water tight (or gas tight for gas lines).
It is not resistant to certain oils, organic solvents, halogens and acids, depending on the concentration, temperature and pressure. Our MDPE pipe is available in blue for below ground, and black for above ground applications. For MDPE pipe dimensions and sizes, visit the relevant blue or black pipe section. Pipestock are one of only a few suppliers who stock the Protecta-Line range of MDPE barrier pipes, as developed by GPS PE Pipe Systems. If you require any further information then donât hesitate to ring us here at Pipestock on 0845 634 1053.