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Neoprene (CR Rubber)

Rubber

Neoprene, also known as CR rubber (Chloroprene Rubber), is a versatile synthetic rubber known for its excellent balance of mechanical strength, chemical resistance, and weather resistance. Thanks to these properties, Neoprene is a popular choice for a variety of industrial applications, ranging from seals to vibration dampers.
Well-known trade names for Neoprene include Duprene®, Baypren®, and Skyprene®. These grades are used worldwide in applications where durability and reliability are essential.

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Properties of Neoprene

Good resistance to oils, greases, and fuels
Excellent resistance to ozone, UV radiation, and weather
Good mechanical properties such as tensile strength and wear resistance
Temperature resistant from -30 °C to +100 °C
Easy to process: simple to glue, weld, and shape
Low gas permeability, suitable for seals
Electrically insulating properties
Available in various hardnesses (Shore A 40–70) and colors
Economical alternative for oil exposure applications

Thanks to these properties, Neoprene is a reliable choice for applications where oil resistance, weather resistance, and mechanical performance are required.

Datasheet Title

Technical properties of Neoprene

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Product information and operations

Thickness	Dimensions	Color
1 mm	3000x1400 mm	Zwart 70 Shore
1.5 mm	3000x1400 mm	Zwart 70 Shore
2 mm	3000x1400 mm	Zwart 70 Shore
3 mm	3000x1400 mm	Zwart 70 Shore
4 mm	3000x1400 mm	Zwart 70 Shore
5 mm	3000x1400 mm	Zwart 70 Shore
6 mm	3000x1400 mm	Zwart 70 Shore
8 mm	3000x1400 mm	Zwart 70 Shore
10 mm	3000x1400 mm	Zwart 70 Shore
12 mm	3000x1400 mm	Zwart 70 Shore
15 mm	3000x1400 mm	Zwart 70 Shore
20 mm	3000x1400 mm	Zwart 70 Shore

Technical properties

Algemeen

Dichtheid 1,23 g/cm³

Kleur Zwart / op aanvraag

Wateropname < 5 %

Specifieke warmtecapaciteit 1,3 kj/Kg°C

Temperatuurbereik

Gebruikstemperatuur minimaal -30 °C

Gebruikstemperatuur maximaal +100 °C

Mechanisch

Treksterkte 7–17 MPa

Rek bij breuk 200–600 %

Hardheid (Shore A) 40–70

Compressieset (22h/70 °C) 20–35 %

Elektrische eigenschappen

Diëlektrische sterkte 20–30 kV/mm

Volumeweerstand 10¹³–10¹⁵ Ω·cm

Diëlektrische constante (1MHz) 4–6

Thermische eigenschappen

Glasovergangstemperatuur -43 °C

Max. gebruikstemperatuur +100 °C

Lineaire uitzettingscoëfficiënt 150·10⁻⁶/K

Warmtegeleidingscoëfficiënt 0,2–0,3 W/m·K

Applications of Neoprene

Seals and gaskets in the automotive industry

Hoses for water, air, and non-oil liquids

Vibration dampers and shock absorbers in machinery

Electrical insulators and cable jacketing

Flooring and mats in industrial and commercial settings

Protective apparel and accessories, such as wetsuits and gloves

Adhesives and sealants for various uses

Seals in HVAC systems and ventilation ductwork

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Frequently Asked Questions about Neoprene

What makes neoprene suitable for outdoor applications?

Neoprene resists ozone, UV, and weather extremely well, retaining its properties under prolonged outdoor exposure.

Is neoprene resistant to oils and greases?

Yes, neoprene has good resistance to many oils, greases, and fuels, making it ideal for oil-rich environments.

How does neoprene perform at low temperatures?

Neoprene remains flexible and elastic down to –30 °C, suitable for cold-environment applications.

Can neoprene be laser-cut or milled?

Yes, neoprene can be both laser-cut and CNC-milled, depending on the precision required.

Is neoprene electrically insulating?

Yes, neoprene offers excellent dielectric strength and is widely used in electronics.

How does neoprene compare to other rubbers like EPDM or NBR?

Neoprene balances oil resistance and weather resistance; EPDM is superior in ozone resistance and NBR in fuel resistance.

Is neoprene recyclable?

Technically yes, but recycling facilities are limited and vary by region.

Can neoprene be bonded?

Yes, neoprene bonds well with suitable adhesives, though mechanical fastening may be preferred in some cases.

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Neoprene (CR Rubber)

Properties of Neoprene