Nylon PA 6.6
Description
Polyamide 6.6 is a polymer of petrochemical origin that is extremely inexpensive and versatile and has good chemical resistance to fats, hydrocarbons, lubricant oils etc. It has lower resistance to acids, bases, oxidizing reagents, and saline solutions. Polyamide 6.6 shows water absorption values of up to 9%. The moisture on the inside of the polyamide acts as a plasticizer, causing the mechanics to vary depending on the quantity absorbed. An increase in absorbed moisture improves the tenacity and the resilience of the material (impact resistance) with a resulting reduction of the Elastic Modulus and the rigidity of the material. Polyamide 6.6 exhibits good thermal properties and resistance to thermal ageing. Particular attention should be paid to the dimensional variation resulting from the absorption of moisture.
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COMMON NAME
Polyamide 6.6 or Poly (hexamethylene adipamide)
MORPHOLOGY
Semi-crystalline Polymer
SYNTHESIS
Polymer derived from the polymerization of hexamethylenediamine and adipic acid.
STRUCTURE
PROPERTIES
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Good chemical resistance
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Resistance to atmospheric conditions
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Resistance UV rays
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Elevated fatigue resistance
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Good impact resistance even at low temperatures
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Low coefficients of friction and wear
Typologies
The heart of our production is extrusion and with this process we generate wounded linear tubes or straight cut pieces of tube. With further processing, we produce other types of products and we finally combine accessories and other items to complete the range.
Single, flexible, non-thermoformed tube, wrapped in coils of various lengths.
PRO:
- small footprint;
- long distances seamless.
VERSUS:
- elastic memory of the winding;
- tolerance on the cut of +/- 2% of the length.
