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Polyamide Nylon 6

Alternative and trade names
Akulon K and F, Capron, Maranyl B, Nylacast, Orgamid, Ultramid B
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Description

A semi-crystalline, white engineering thermoplastic very similar to nylon 6,6 with which it is in many respects interchangeable. Its melt viscosity is not quite as low as 6,6 so it is generally slightly easier to process and often preferred for moulding. Relative to 6,6 it has somewhat higher impact strength but somewhat lower strength and stiffness and higher water absorption (the highest of all nylons).

Ashby charts

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Properties

General

Density

ρ

1.18 g/cm³ at 20 °C

Friction coefficient

µ

0.2 - 0.3 [-]

Limiting oxygen index

LOI

25 % at 20 °C

Water absorption

cwater

2.7 % at 20 °C

24h

Water absorption, equilibrium

cwater,equib

8 % at 20 °C

Thermal

Coefficient of thermal expansion

α

9.5E-5 1/K at 20 °C

Flammability

UL 94 - HB

Heat deflection temperature, 0.45 MPa

HDT0.45,MPa

200 °C

Max service temperature

Tmax

80 - 160 °C

Min service temperature

Tmin

-40 °C

Specific heat capacity

cp

1700 J/(kg·K) at 20 °C

Thermal conductivity

λ

0.24 - 0.28 W/(m·K) at 23 °C

Electrical

Dielectric constant, 1MHz

εr,1MHz

3.6 [-] at 20 °C

Dielectric strength

EDS

25 kV/mm at 20 °C

Dissipation factor, 1MHz

ε''1MHz

0.2 [-] at 20 °C

Electrical resistivity

ρel

5.00E+10 Ω·m at 20 °C

Sheet resistivity

ρel,sheet

5.00E+10 Ω/sq at 20 °C

Optical

Refractive index

nd

1.53 [-]

Technological properties

Application areas

Ideal packing material for material for many applications, particularly where the product is to be stored or used in adverse conditions, being resistant to heat oils and grease. Also, ideal for sterilizing and storing many types of surgical equipment, including instruments, dressings and linen.

Other

Chemical Resistance to: Acids - concentrated: Poor; Acids - dilute: Poor; Alcohols: Good; Alkalis: Good-Fair; Aromatic hydrocarbons: Good; Greases and Oils: Good; Halogenated Hydrocarbons: Good-Poor; Halogens: Poor; Ketones: Good

Processing methods

It can be monomer cast, commonly called just cast - i.e. polymerised in a mould direct to a semi-fabricated shape. This allows the production of thick sections without voiding and gives a product with a slightly different balance of properties - a little stronger and stiffer, slightly reduced extensibility and impact strength.Its applications are similar to those of nylon 6,6.

Radiation resistance

Fair

UV resistance

Poor

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This material data has been provided by Goodfellow.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.