Nylon 6.6

Chemical Designation: Polyamide 6.6

DIN Abbreviation: PA 66

Colour, Filler: Opaque

Stock Availability: Standard length 3 metres, also cut to size

Rod 4 – 200 mm dia

Plate 5 – 100 mm thick

Tube up to 300 mm OD

Profile

Finished parts, machined or injection moulded

Nylon 6.6 is a semicrystalline engineering thermoplastic with universal applications.

Main characteristics: good sliding properties – strong

abrasion resistant – tough

resistant to many oils, electrically insulating

grease, diesel, petrol, … – easily machined

easily bonded and welded

Preferred Fields: Mechanical engineering, automotive engineering, transport and conveyor technology, textile, packaging and paper processing machinery, printing and dispensing machinery, household appliances, electrical engineering, precision engineering

Applications: gears – friction bearings

friction strips – conveyor screws

bushes – cams

piston guides – pulleys

castors – plug parts

Nylon 6.6 – Poliamida 6.6

The following information corresponds with our current knowledge and indicates our products and possible applications. We cannot give a legally binding guarantee of certain properties or the suitability for a specific application. Existing commercial patents must be observed. A definitive quality guarantee is given in our general conditions of sales. Unless otherwise stated, these values represent averages taken from injection moulding samples. We reserve the right of technical alterations.

Properties	Unit	Test Method DIN ASTM	Dry	Wet *
Mechanical
Density	g/cm³	53 479	1.14
Tensile strength at yield	MPa	53 455	90	70
Tensile strength at break	MPa	53 455
Elongation at break	%	53 455	40	150
Modulus of elasticity in tension	MPa	53 457	3300	2000
Modulus of elasticity in flexure	MPa	53 457	2830
Ball indentation hardness	MPa	53 456	170	100
Impact strength (Charpy)	kJ/m2	53 453	o.Br.
Creep rupture strength after 100o hrs with static load	MPa		55
Time yield for 1% elongation after 1000 hrs.	MPa		8
Coefficient of friction against hardened and ground steel p = 0,05 N/mm², v = 0,6 m/s	–		0.35 – 0.42
Wear conditions as above	µm/km		0.9
Thermal
Crystalline melting point	°C	53 736	225
Glass transition temperature	°C	53 736	50	5
Heat distortion temperature Method A Method B	°C °C	ISO 75 ISO 75	100 >200
Properties	Unit	Test Method DIN ASTM	Dry	Wet *
Thermal
Max. service temperature short term long term	°C °C		170 100
Coefficient of thermal conductivity	W/(m . K)		0.23
Specific heat	J/(g . K)		1.7
Coefficient of thermal expansion	10-5/K		7
Electrical
Dielectric constant at 105 Hz		53 483	3.6	5.0
Dielectric loss factor 105 Hz		53 483	0.026	0.2
Specific volume resistance	W . cm	53 482	1015	1012
Surface resistance	W	53 482	1013	1012
Dielectric strength 1 mm	kV/mm	53 481	>30	28
Tracking resistance		53 480	CTI 600	CTI 600
Miscellaneous
Moisture absorption: Equilibrium in standard atmosphere (23 °C / 50 % relative humidity)	%	53 714	2.8
Water absorption at saturation at 23 °C	%	53 495	8.5
Resistance to hot water, washing soda			limited resistance
Flammability		UL 94	V2
Resistance to weathering			not resistant

* after storage in a standard 23/50 atmosphere (DIN 50 014) to equilibrium.

Voltar para nylon e acetal