Pu Climbing Holds, While PU holds are less abrasion-resistant than their PE counterparts, their lightweight nature significantly facilitates easier handling and route setting, making them a popular choice for climbing gyms. Making routesseting a playful experience. We would like to show you a description here but the site won’t allow us. This time for silicone to make the molds I used prosil 1025 rtv silicone and it worked well. PU holds are light-weight, strong and impact resistant. Do you prefer PE or PU? With the boom in indoor climbing, PU is gaining in popularity in Europe, particularly for competitions and bouldering. To view all our products, download our catalogue: HOLDS & VOLUMES CATALOGUE | EP Climbing (Entre-Prises). Climbing holds for commercial gyms, training walls, and comps, including polyurethane holds, macros, and wood volumes. Modulus of Elasticity 2200 MPa. Dual texture. os0g, 5p, c21wot1, 8sesg, fc, rja, appbjr, acr7k, pecau, xiax,