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Washer made of HDPE with retaining lips

Product specification The retaining lips serve for safe pre-assembly of screws and nuts with... more

Product specification

The retaining lips serve for safe pre-assembly of screws and nuts with no risk of loss.

This facilitates considerably the pre-assembly at difficult accessible locations and thus allows saving of time.

Technical specification

Material: HDPE (polyethylene, rigid, high density)

Colour: natural

General Information Excellent impact resistance, even at low temperatures Good resistance to... more

General Information

Excellent impact resistance, even at low temperatures

Good resistance to weather and aging

Antiadhesive, waxy and soft surface

High tearing strength

Physiologically safe

Good dielectrical properties

Chemical features:

Good resistance to weak and strong alkalis and acids, except oxidizing acids, and only relatively suitable for hydrofluoric acid; resistant to organic acids, aliphatic hydrocarbons, greases and mineral oils, alkohols, ketones, esters and amines.

Material specification:

Very low tendency to swell when in contact with polar fluids (e.g. alkohols, organic acids, esters, ketones etc.) as well as greases, oils and waxes.

Resistance to weather: the material degrades when exposed to direct sunlight

Material: HDPE (polyethylene, rigid, high density)

Density: 0.95 g/cm3

Temperature range: -50 to +85 °C, for a short time +100 °C

Elastic modulus: 700 - 1,400 N/mm2

Tensile strength: 18 - 35 N/mm2

Tearing strength: 25 - 32 MPa (DIN 53455)

Elongation at break: 100 - 1,000 % (DIN 53455)

Ball pressure hardness: 35 - 55 N/mm2 (DIN 53456)

Impact resistance:

+20 °C: without break (DIN 53453);

-40 °C: approx. 350 kJ/m2 (DIN 53448)

Surface resistance: 1014 Ohm (DIN 53482)

Volume resistivity: >1017 Ohm x cm (DIN 53482)

Dielectric strength: 65 - 70 kV/mm at 0.4 mm thickness

Dielectric constant: approx. 2.4 at 50 Hz

Water absorption: <0.1 % (ISO 62)

Flammability rating: UL 94 HB

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308890
M3 3,2 6 2,5 50 26.00
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M3 3,2 6 2,5 100 44.00
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M4 4,3 8 2,5 50 26.00
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M5 5,3 10 2,5 50 26.00
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M5 5,3 10 2,5 100 44.00
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M6 6,4 12,5 2,5 50 28.00
308897
M6 6,4 12,5 2,5 100 48.00
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M8 8,4 17 2,5 50 30.00
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M8 8,4 17 2,5 100 52.00
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M10 10,5 21 2,5 50 32.00
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M10 10,5 30 2,5 50 38.00
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