Spectra SC-1000P
RR355-101-CAS is a direct casting resin delivering low shrink deformation, strength, durability.
Excellent for investment casting patterns and large, lightweight models.

Overview
Manufactured by Spectra Photopolymers
Spectra SC-1000P is a direct casting material formulated for Raplas production equipment, designed to deliver excellent pattern quality with low deformation due to shrink.
Spectra SC-1000P offers strong, durable and water-resistant performance for casting workflows, with reliable dimensional stability. The material is transparent in colour and is manufactured by Spectra Photopolymers.
Applications
- Excellent for investment casting patterns
- Ideal for large / lightweight models
- Aerodynamic test models
- Short-run injection moulds and inserts
- Heat resistant, fluid-exposed components, jigs, and fixtures
- Simulates stiffness of glass and fibre-filled thermoplastics
Key benefits
- Low deformation due to shrink
- Strong & durable
- Water resistant
- Excellent for investment casting patterns
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Material specifications
| Tensile Strength | 53 MPa |
| Tensile Modulus | 2,668 MPa |
| Elongation at break | 4 – 8% |
| Flexural Strength | 83 MPa |
| Flexural Modulus | 1,930 MPa |
| Impact Strength (Notched Izod) | 18.69 J/m |
| Heat Deflection Temperature @ 1.82 MPa | 50°C |
Downloads
Access technical documentation and resources below.
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Technical Data Sheet
PDF • 440kB
Gallery

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