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Available process
PU-31 supports manual or machine processing. PR700 describes a vacuum-casting process.
Parts and encapsulation / Models · housings · small batches
Polyurethane prototypes and parts
Before buying casting polyurethane, define whether you need a model, housing or test part. Available equipment, geometry and the curing cycle help distinguish systems with different working processes.
View selected materials ↓
Before you buy
Three points to guide your choice
Working time
Reactivity and mix size affect filling. Check the system before preparing the mould.
Part performance
Test values depend on curing. A visual prototype and a functional part do not necessarily have the same requirements.
What to buy for this project
Selected materials
Compare their purpose and conditions of use.
Check sizes and options on each product page.
Documented selection
PU-31
PU-31 for prototypes, housings, miniatures and other moulded parts.
Before choosing
Have the mould and filling arrangement ready before mixing: this is a fast-reacting system. Vacuum is discouraged for this reference because it can generate bubbles without sufficient time to remove them. Also define the stresses and temperature the part must withstand.
Documented selection
PR700
PR700 polyurethane resin for manufacturing parts by vacuum casting.
Before choosing
The vacuum-casting process in the data sheet uses a preheated addition-cure silicone mould and post-curing for maximum performance. The product description also allows casting without vacuum; for that method, confirm the filling and curing conditions for your part.
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