Ellamid 66
PA 66
Polyamid 66 / Nylon 66
Characteristic of PLUX Ellamid 66

PLUX Ellamid 66 ,
Polyamide 66 (PA 66 or Nylon66)
made from adipic acid and hexamethylenediamine by polycondensation.
The versatility of PA makes it one of the most widely used engineering thermoplastics.
Commercial PA include PA 6, PA 46, PA 66, PA 6/10, PA 6/12, PA 11 and PA 12.
The numerical nomenclature for PA is derived from the number of carbon atoms in the diamine and dibasic acid monomers used to manufacture it.
The ratio of carbon atoms is what gives each PA type its unique property characteristics.
PA 66 is superior in many applications to PA 6 due to its outstanding dimensional stability, higher melting point, and more compact molecular structure.

Among commercially available polyamides,
PA 66 has one of the highest melting points.
It is a semicrystalline-crystalline material.
The resins have strength and stiffness which is retained at elevated temperatures.
It does absorb moisture after molding,
but the retention is not as much as in the case of PA 6. Moisture absorption depends on
the composition of the material, wall thickness, and environmental conditions. Dimensional stability and properties are all affected by
the amount of moisture absorption which must be taken into account for product design.
The viscosity is low and therefore, it flows easily (but not as easily as PA 6). This allows molding of thin components.
The viscosity is very sensitive to temperature. Shrinkage is of the order of 0.01 - 0.02 mm/mm (1 - 2%). Addition of reinforcing glass fibers reduces the shrinkage to 0.2 - 1%. Differential shrinkage in the flow and cross-flow directions is quite high. Mineral fillers yield more isotropic moldings. PA 66 is resistant to most solvents but not to strong acids or oxidizing agents.

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High impact strength
High resistance to wear
high abrasion resistance.
High tensile strength
High temperature range
Outstanding self-lubrication
Excellent chemical resistance

PLUX Ellamid 66 Grade


PLUX Ellamid 6 - Property

Physical property


Mechanical property


Thermal property

Electrical property

Ellamid 66 Injection molding guide


PA 66 is one of the most versatile engineering thermoplastics. 
It is popular in every major market using thermoplastic materials. 
Because of its excellent balance of strength, ductility and heat resistance, PA 66 is an outstanding candidate for metal replacement applications. PA 66 is very easy to process with a very wide process window. This allows it to be used for everything from complex, thin walled components to large thick walled housings.
PA 66  was the first nylon material available in rod, sheet and tube form for industrial application.  PA 66  is a superior performer. Of all the unmodified nylons, it has the highest melting point, is the strongest, and the most rigid.  PA 66  is an excellent replacement for a wide range of different materials ranging from metals to rubber beacuse of its toughness, 
and combination of low coefficient of friction and good abrasion resistance.
This product also has outstanding resistance to alkalies and organic materials, as well as good electrical insulating characteristics and noise damping properties.
Standard metal working equipment is suitable in the fabrication of precision parts. 
The combination of machinability, excellent properties, and performance have made  
PA 66  the most widely used nylon in industry.
PA 66 is used when PA 6 reaches its limit temperature or when the hydrolytic stability of PA 6 is not sufficient anymore. It provides good surface appearance 
and good weld strength leading to burst pressure resistance. 
Competes with PA 6 for most applications. 
PA 66 is heavily used in the automotive industry, appliance housings, and generally where impact resistance and strength are required.
PA 66 is very easy to modify with fillers, fibers, internal lubricants, and impact modifiers. 
With the use of fiber reinforcements, 
the physical strength of PA 66 can be improved five times that of the base resin. The stiffness of PA 66 can be improved up to 10 times. 
With impact modifiers, the ductility of PA 66 is comparable to polycarbonate. 
The use of internal lubricants improves on the already excellent wear resistance and friction properties on PA 66. Its versatility allows it to be used in almost any application that requires high physical strength, ductility, heat resistance and chemical resistance. Various modifiers are added to improve mechanical properties; 
glass is one of the most commonly used filler. Addition of elastomers such as EPDM or SBR improves impact resistance.



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