Ertacetal, The Great Metal Replacement ...
Looking for a Thermoplastic that machines like Bronze - Ertacetal, the great Metal Replacement Thermoplastic
Ertacetal - A porosity free hydrolysis resistant general purpose acetal product
Ertacetal©, Dotmar's trade name for Acetal provides high strength and stiffness coupled with enhanced dimensional stability and easy machining. As a semi-crystalline thermoplastic material, acetal also has a low coefficient of friction and excellent wear properties, especially in wet environments.Acetals moisture absorbtion is quite minimal as tested according to method 1 ISO 62 with a percentage moisture ingress value of 0.85% at saturation in water of 23°C and 0.20% when saturated in air at 23°C /50% relative humidity. Acetal's low moisture absorption results in excellent dimensional stability for close tolerance machined parts. In high moisture or submerged applications, rudder bearings, stern tube bushes and wear pads manufactured from acetal rod, sheet and tube outperform nylon 4 to 1. Ertacetal© is ideally suited for close tolerance mechanical parts and electrical insulators which require strength and stiffness.Dotmar offer a copolymer grade of acetal known as Ertacetal® C (Acetron® GP). It is porosity-free and offered as our standard general purpose grade. Ertacetal® C acetal contains a low-density centre, especially in larger cross-sections. Ertacetal® C (Copolymer) also offers better chemical resistance, making it the preferred acteal for food contact and medical applications. Ertacetal® C natural is FDA, USDA, NSF, Canada AG and 3A Dairy compliant.Key Benefits of Ertacetal© Rods, Sheets:
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