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| High Performance Cast Elastomers |
| Neuthane 335 Con - TDI Prepolymer Systems - Cold cure |
Technical information on NEUTHANE 335 Series can be found by scrolling down the page ↓
TDS (Technical Data Sheets) PDF versions
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Neuthane™ 335 Con - TDI Prepolymer Systems - Cold cure
Properties
The Neuthane 335 Con series of TDI based prepolymers cure in combination with Neuthane 30 Con, 40 Con, 50 Con and 60 Con curatives to give highly durable elastomers suitable for mould making.
They offer:
- 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)
- Model making
Processing can be by hand or by dispensing machine
Hand Processing
- It is important the ambient curing conditions be at least 20°C.
- Prior to casting please ensure the polyol component is mixed thoroughly as it is a blend.
- Bring all components to the recommended process temperature.
- Add pigments and Antifoam (as applicable) to the polyol component whilst mixing
- Add all components and thoroughly mix ensuring that no unmixed material is left
on the container sides (if necessary the mix can be transferred to a second
clean container and mixed again). - If a vacuum facility is unavailable please limit the amount of air entrapped
during mixing. - Cast into moulds, preheated to the recommended temperature
- Cure as recommended
Processing Considerations
- Avoid moisture contamination of all materials.
- Part used containers should be flushed with dry nitrogen and resealed immediately after use
- It is vital to ensure that the curative component is completely
liquid and thoroughly mixed prior to use - Due to the exothermic nature of the system larger mixes will
have a shorter pot life - Allow longer demould times if curing sub ambient
Properties
- If cured at room temperature then physicals will develop fully over a 7 day.
- Alternatively a post-cure at 60-70°C for 4-8 hours can be employed.
- Depending upon system hardness and cure conditions the development of physicals may take longer. It is therefore advisable to assesstear strength before using the mouldings.
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| Neuthane 335 Con - TDI Prepolymer Systems - Cold cure |
Neuthane 335 Con - TDI Prepolymer Systems - Cold cure
Information contained in the data is, to the best of our knowledge, true and accurate. Since conditions of use are beyond our control, no warranty is given or implied in respect of any recommendations or suggestions made by ourselves, nor is freedom from patent infringement inferredv3