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Neuthane Polyurethane Rubber


Size: 30 Con Base 25kg (Special Order)
Sale price


Please note we do not always keep this in stock, however, goods would be available within 2-3 weeks.

Neuthane is a 2-part polyurethane flexible moulding rubber for use in plaster and concrete casting. Neuthane is simple to use, has low viscosity and gives excellent detail reproduction and high tear strength. The mix ratio varies from 2 – 1 to 2 - 2, Base – Isocyanide, please see the table below. You will need to order both parts (Base & Isocyanide) in 25kg multiples.

The finished rubber gives:

  • A high level of elasticity
  • Good tear resistance
  • Good abrasion resistance
  • Low process temperatures
  • Good dimensional stability

Typical Applications 

  • Concrete Industry (e.g. moulds for decorative slabs and walls)
  • Plaster Mouldings
  • Model making. 

For the best results and long-term mould life, Neuthane moulds should be left 7 days before entering production to allow full cure. 


30 Con

40 Con

50 Con

Shore Hardness




Mixing Ratio

2 to 1

(30 Con to 335 Con)

1.5 to 1

(40 Con to 335 Con)

1 to 1

(50 Con to 335 Con)

Gel Time

15 – 20 Minutes

Demould Time

24 Hours

Optimum Cure Time

7 Days


12 months from the date of manufacture


The ambient curing conditions must be at least 20°C.


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