Polyurethane chock for aircraft has anti-abrasion, cold-resistance and heat-resistance additives

摘要

The chock (1) is made of polyurethane, which has improved properties due to its including additives against abrasion and to increase resistance to cold and heat. It can be made in different colors and can be protected against ultraviolet light. It may be produced in different lengths, and may have a wooden body in order to reduce its weight.