D2 Collars have become an essential addition to any high volume pultrusion operation. D2 collars are made from D2 Tooling grade steel, the hardest steel available, and are mounted to the front of the die. The collars are specially designed to absorb the brunt of abrasive materials coming together at the entrance end of the die. The use of D2 collars increases the maintenance life cycle of dies and can more than double the time between die reworks. D2 collars pay for themselves through reduced maintenance costs and longer die life.
D2 Collars can be used in any shape, from simple flat sheets to the most complex window lineal. In most cases a D2 Collar can be added to your current setup with minimal or no modifications to your current die.