Extrusion of Plastic

Extrusion of Plastic is a continuous operation in which hot plasticized material is forced through a die opening that produces a plastic profile of the desired shape. Extruded profiles can be found mainly in the building industry. In the extrusion process, many engineering parts are involved. The die is normally produced in steel, often a prehardened steel grade, however the strength requirements are moderate. Corrosion resistance is needed for the extrusion of PVC profiles, and wear resistance for the production of reinforced profiles. The calibrator units are often made of aluminium in order to achieve quick cooling. The strength requirements on these parts are moderate.

Uddeholm Tyrax ESR

80%

Corrosion resistance

80%

Wear resistance

95%

Polishability

60%

Toughness

Uddeholm AM Corrax

100%

50%

75%

80%

Uddeholm Corrax

95%

50%

70%

70%

Uddeholm Elmax SuperClean

60%

90%

80%

40%

Uddeholm Impax Supreme

20%

30%

60%

90%

Uddeholm Mirrax 40

70%

Corrosion resistance

40%

Wear resistance

80%

Polishability

60%

Toughness

Uddeholm Mirrax ESR

90%

Corrosion resistance

70%

Wear resistance

90%

Polishability

60%

Toughness

Uddeholm Nimax

20%

Corrosion resistance

40%

Wear resistance

70%

Polishability

100%

Toughness

Uddeholm Ramax HH

60%

Corrosion resistance

40%

Wear resistance

40%

Polishability

30%

Toughness

Uddeholm Stavax ESR

80%

Corrosion resistance

70%

Wear resistance

90%

Polishability

50%

Toughness

Uddeholm Vanax SuperClean

100%

Corrosion resistance

75%

Wear resistance

80%

Polishability

60%

Toughness

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