EBALTALow Pressure RIM Resins
With ebalta machine casting resins, high-quality, complex parts can be produced using the low-pressure RIM process (RIM: Reaction Injection Moulding).
In this way, parts are produced in the RIM process within the shortest possible time. Short demoulding times also allow the production of small and medium-sized series.
In contrast to a thermoplastic injection mould, the RIM mould is less stressed. The polyurethane tooling board ebaboard PW 920 are highly suitable for fast RIM mould production.
A prime example of RIM resins is the MG 453 GF machine casting resin from ebalta (MG = Machine Casting Resin, GF = Glass Fibre). It has proven itself in use for e-mobility in the automotive sector. The MG 453 GF resin is a high-performance, glass-filled RIM system that is characterised by a very quick curing time. Additionally, MG 321 FR-S has UL 94 V0 Flame Resistant certificate.
Low Pressure RIM Resins
You can review the Technical Datasheet of the products suitable for your project.
| Products | Colour | Flexural Modulus | Heat Resistance (°C) | |
|---|---|---|---|---|
| MG 321 FR-S / Comp. A+B | 2000 ± 100 MPa | 120 ± 3 °C |  |
|
| MG 453 / Comp. A+B | 1640 ± 50 MPa | 102 ± 5 °C | |
|
| MG 453 GF / Comp. A+B | 2510 ± 250 MPa | 108 ± 5 °C | |
|
| MG 331 FR / Comp. A+B | 2710 ± 100 MPa | 120 ± 3 °C | |
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What is Low Pressure RIM Systems
RIM polyurethane is the result of a reaction between two liquid components isocyanate and polyol as they are injected into a closed mould at low pressure.
Low-pressure RIM Resins are two-component polyurethane (PU) resins used in a casting process called Reaction Injection Molding (RIM). RIM is a manufacturing process that uses liquid reactive materials, like resin, that are injected at relatively low pressure into a closed mold cavity. The two components, a polyol and an isocyanate, mix inside the mold cavity and react to form a solid cast part.
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