The pipe type A is produced in accordance with DIN 16965 Part 1 with either UP or vinyl ester resins. The minimum thickness of the chemical protection layer is 1 mm, the structure contains 1 layer of C-glass fleece or a synthetic fleece with a subsequent multi-layer glass mat structure made of E-glass. The outer layer also contains a C-fleece with a weatherproof finish of 0.2mm.
