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Washer made of PA (Ø 16.0 - 18.5)

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General Information Universal washers or spacer rings Ideal sliding rings between rotating... more

General Information

Universal washers or spacer rings

Ideal sliding rings between rotating parts

Insulate moisture and electricity

Absorb vibrations

Chemical features:

Resistant to aromatic and aliphatic hydrocarbons, fuels, mineral oils and mineral lubricants; suitable for alkohols, esters, ketones, ethers and amines; good resistance to weak alkalis, but only moderate resistance to strong alkalis; limited resistance to weak mineral and organic acids; not resistant to oxidizing acids, strong mineral and organic acids as well as phenols; limited resistance to hydrolysis

Material specification:

Polyamide is an elastic, tough, loadable, but notch-sensitive material

Impact resistant

Resistant to abrasion and cold

High fatigue strength and excellent resilience

High wear resistance and good mechanical damping capacity

Insulating properties and an amazingly high tensile strength

Connecting parts made of polyamide and similar plastics protect from rust and corrosion damage

Polyamide can also be used in the food processing industry and in medical fields

PA 6 features a higher impact resistance compared to PA 6.6

PA 6 has the highest water absorption of all common plastics up to 9 to 10 % (followed by PA 6.6 with 8 to 9 %), thus considerably increased toughness, flexibility and elongation. However, the strength of the material can therefore be reduced by up to 10 %.

Material: PA 6 (polyamide 6)

Colour: natural

Density: approx. 1.14 g/cm3

Temperature range: -40 to +85 °C, for a short time +180 °C

Melting temperature: +220 °C (ISO 11357)

Yield stress: 75 MPa (ISO 527)

Elongation at break: >50 % (ISO 527)

Elastic modulus: 3,200 MPa (ISO 527)

Impact resistance: without break (DIN 53453)

Notch impact strength (Charpy): >3 kJ/m2 (ISO 179)

Ball pressure hardness: 160 N/mm2 (ISO 2039-1)

Shore hardness D: 82° (DIN 53505)

Dielectric strength: 20 kV/mm (IEC 60243)

Dielectric constant: 3.9 at 50 Hz (IEC 60250)

Surface resistance: 1013 Ohm (IEC 60093)

Volume resistivity: 1015 Ohm x cm (IEC 60093)

Comparative tracking index (CTI): >600 (DIN 53480)

Dielectric loss factor (at 50 Hz): 0.02 (specimen dry)

Water absorption: up to 10 % (during storage in water) (DIN 53472)

Flammability rating: UL 94 HB

Item Image d
mm
D
mm
h
mm
Unit
piece
Price
Euro*
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311048
16 20 0,8 50 45.00
311049
16 20 0,8 100 77.00
311052
16 21 1 50 42.00
311053
16 21 1 100 70.00
311054
16 21 2 50 53.00
311055
16 21 2 100 90.00
311058
16 25 1 50 44.00
311059
16 25 1 100 74.00
311062
16,2 24 1 25 58.00
311063
16,2 24 1 50 96.00
311064
16,5 32 1 25 36.00
311065
16,5 32 1 50 66.00
311076
17 24 2 10 26.00
311077
17 24 2 25 60.00
311088
17,5 20 2 50 48.00
311089
17,5 20 2 100 82.00
311092
17,5 32 1,5 50 43.00
311093
17,5 32 1,5 100 73.00
311094
18 22 0,5 50 42.00
311095
18 22 0,5 100 72.00
311096
18 22 1 25 44.00
311097
18 22 1 50 76.00
311102
18 24 2 25 33.00
311103
18 24 2 50 57.00
311106
18 30 1 25 40.00
311107
18 30 1 50 68.00
311108
18 38 1 25 32.00
311109
18 38 1 50 52.00
311110
18,5 30 1,5 25 54.00
311111
18,5 30 1,5 50 90.00
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