Browse our selection of 3M products in the Self Amalgamating Tapes and Mastics range. 3M is a trusted manufacturer supplying high-quality products used across utility, industrial and commercial installations.All 3M stock is supplied by Cable Services with technical support available from our experienced sales team. Compare with our other Tapes and Insulation Enhancements options. Call 01978 340450 if you need help selecting the right product.