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Polyurethane liquid casting rubber Shore A 45 (Poly 74-45)

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
Drum packaging: 204 kg drums on request, druk kit 408 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): 2.000
Color: Yellow
Specific Volume: 27.5 in³/lb
Specific Gravity: 1.02
Elongation: 1135%
Tear Strength (N/mm2): 14.36
Tensile Strength (N/mm2): 2.81 (408psi)
Type product: Polyurethane rubber

The color of polyurethane Part B’s may change in color from batch to batch or may darken with age, but product performance is not affected.


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