Negatives and First Reproductions
Products that are specifically designed and formulated for Negatives and First Reproductions.
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PU376S
ALCHEMIX PU 376S is a two component low odour polyurethane system to which specific dry fillers have already been added. The system has an extended pot life to allow for larger castings up to 50 Kg. The material is ideal for making resin moulds and vacuum forming tools. Learn More -
PU3691
ALCHEMIX PU 3691 is an unfilled, no odour, low viscosity two component polyurethane system to which specific dry fillers can be added in either the suggested or variable ratios depending on the application and the required thickness of the casting. Can be used to produce ultra-fine detail in model-making, or as a low viscosity casting resin for pattern-making. Learn More -
PU368
ALCHEMIX PU368 is a two component, odourless fastcast polyurethane system to which specific dry fillers can be added. The high flexural strength of this product ensures that parts with thin sections are very strong and not brittle. Extremely high Tg ensures thermal stability at high temperature. Very low and time stable shrinkage. Learn More -
PU3676
ALCHEMIX PU 3676 is a low viscosity, two component polyurethane system which can be used to produce patterns, moulds, models and prototypes with excellent fine detail replication. ALCHEMIX PU 3676 can be filled with mineral or metallic fillers for reduced shrinkage, and has rapid demould times even when cast in thin sections. Learn More -
PU3675
ALCHEMIX PU 3675 is a low viscosity, two component polyurethane system which can be used to produce patterns, moulds, models and prototypes with excellent fine detail replication. ALCHEMIX PU 3675 can be filled with mineral or metallic fillers for reduced shrinkage, and has rapid demould times even when cast in thin sections. Learn More -
PU3672
ALCHEMIX PU 3672 is an unfilled, no odour, low viscosity two component fastcast polyurethane system to which specific dry fillers can be added in either the suggested or variable ratios depending on the application and the required thickness of the casting. Can be used to produce ultra-fine detail in model-making, or as a low viscosity casting resin for pattern-making. Learn More -
PU3670
ALCHEMIX PU 3670 is an unfilled, no odour, low viscosity two component polyurethane system to which mineral and metallic fillers can be added in either the suggested or variable ratios depending on the application and the required thickness of the casting. ALCHEMIX PU 3670 can be used to produce ultra-fine detail in model-making, or as a low viscosity casting resin for pattern-making. Learn More -
PU3652
ALCHEMIX PU 3652 is an unfilled two component polyurethane system, which has no odour and very low viscosity. Mineral and metallic fillers may be added to it in variable ratios depending on the casting thickness. This economical casting resin can be used to produce ultra-fine details in model making or as a low viscosity casting resin for pattern making. ALCHEMIX PU 3652 is recommended for use in open moulds. Learn More -
PU364
ALCHEMIX PU 364 is a two component, low odour, fastcast polyurethane system which is designed for thin sections or casting to 20mm thick. The material has a very quick demould time and is designed to be used unfilled. Learn More -
PU3604
ALCHEMIX PU 3604 is an unfilled, no odour, low viscosity two component polyurethane system to which mineral and metallic fillers can be added at variable ratios depending on the application and the required thickness of the casting. ALCHEMIX PU 3604 has excellent physical properties, most notably excellent impact resistance. ALCHEMIX PU 3604 is available as a standard cure speed version (7 - 9 minute pot life) or as a fast cure speed version (2 - 3 minute pot life). The product is pigmented black, but is available in other colours on request. Learn More