PA 6 (cast)

Category Type Material
Polymers Engineering Polymers

show all types of Polymers

 Acrylonitrile styrene acrylate [ASA]
Cellulose Acetate [CA]
Liquid-crystal Polymer [LCP]
PA 12
PA 46
PA 6
PA 6 (cast)
PA 6-3-T
PA 66
PB
PBT
PC
PEEK
PEI
PET
PET Bottle Grade
PI
Polyamide 11 [PA 11]
POM (hom.)
PPO
PTFE
PVDF
SAN

Data Table for: Polymers: Engineering Polymers: PA 6 (cast)

Mechanical Properties

Quantity Value Unit
Young's modulus 700 - 3000 MPa
Tensile strength 55 - 85 MPa
Elongation 10 - 350 %
Bending strength 115 - 135 MPa

Physical Properties

Quantity Value Unit
Thermal expansion 70 - 100 e-6/K
Thermal conductivity 0.3 - 0.3 W/m.K
Melting temperature 215 - 220 °C
Glass temperature 50 - 75 °C
Density 1135 - 1155 kg/m3
Resistivity 1e+16 - 5e+18 Ohm.mm2/m
Breakdown potential 35 - 35 kV/mm
Dielectric loss factor 0.03 - 0.3
Friction coefficient 0.36 - 0.43
Refraction index 1.53 - 1.53
Water absorption 6.5 - 9.5 %

Environmental Data

Quantity Value Unit
Environmental remarks Polyamide is made from caprolactam which can be derived with several processes. Here crude oil is processed via naphta to benzene, that to cyclohexane and finally to caprolactam. Caprolactam is polymerised at 250°C to PA. The required energy supply was assumed to come from oil.

General

     
Remarks Suited for casting under atmospheric pressure, however under a nitrogen atmosphere to avoid oxidation. The casting involves four steps: 1) melting the caprolactam, 2) preparation of two caprolactam solutions, the first containing the catalyst and the second containing the accelerator, 3) fast mixing the two reactive liquids and 4) casting the mixture in a hot mould. To avoid internal stresses in products the polymerised products are cooled at a low rate (5°/hour).

Sample: Engineering Polymers

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