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Liquid, solvent-free, formulated aliphatic polyamine adduct
Details
Common names
Aradur 943
Product Type
Recommended for
Applications
Producer
Supplier
Advantages
- Suitable for food contact according to
- •EU Directive 90 /128 EEC: all components are on List A of the definitely approved products and also the resulting oligomeric intermediate, provided it is reacted in the finished product. Concluding: approved from all points of view.
- •FDA listing 21 CFR 175.300, providing it is cured with e.g. GY 250, which is always the case in practice.
- Properties in general:
- •very short potlife
- •strong exudation and some surface defects
- •moderate flexibility, good adhesion, high hardness.
- •very good resistance to solvents (even to conc. ethanol) and inorganic acids Addition of solvents has the following effects:
- •longer potlife
- •with toluene, ethylacetate and with butanol no exudation
- •resistance to acids decreased
- •resistance to solvents mostly increased (best is toluene)
- •potable ethanol can be added to make food grade formulations sprayable
- Exudation will prevent intercoat adhesion. Pigmentation and/or solvent can reduce/eliminate exudation. Air driers in tanks will (also) prevent exudation.
Other Applications
•coatings for tanks holding chemicals, fuels, solvents and even highly concentrated alcohol beverages
•coating of floors and drip pans
•coating of pipes and ship tanks
Storage
Aradur 943 should be stored in a dry place, preferably in the sealed original container, at temperatures between 2 and 40 °C. The product should not be stored exposed to direct sunlight.
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