Poly 74-45 is the harder variant of the Poly 74-30 and 75-40. The Poly 74-45 has a Shore A 45 and an easy to use 1A: 1B mixing ratio. The Poly Serie Polyurethane rubber is easy to thicken with CAB-O-SIL or Polyfiber for making a brushable brush-on rubber.
The Poly 74-45 is a yellow coloured polyurethane casting rubber. This casting rubber is widely used in making rubber parts or molds with a medium Shore A hardness.
The Poly 74 and Poly 75 Series products adheres to many materials such as wood, metal, polyurethane products, plastics and more. To get an release on this surface you can use our Pol-Ease 2300. This is available in spray cans. We also have various liquid release agents for brushing materials.
Packaging: Set 2 kg, Set 10 kg, Set 36 kg
Hardness (Shore A): 45
Mix Ratio: 1A:1B (by weight)
Working Time (min): 30
Total Cure (hr): 16 hr (demold) / 7 days (100%)
Viscosity (cP): 2.500
Tear Strength (N/mm2): 14.36
Tensile Strength (N/mm2): 2.81 (408psi)
Type product: Polyurethane rubber