Today the applications for profiles in thermoplastic materials are almost endless.
The property range in the thermoplastic materials means that most requirements can be met and often with considerable advantages as for weight and environment, compared to alternative materials such as metal, aluminium and wood.
We have carefully picked materials especially well suited for a number of applications in conveyor, medical and food industries as well as for shop fittings.
In addition to the group of polyolefines (LDPE, HDPE and PP) the materials also include polymers such as fluor polymers, polyamides and thermoplastic elastomers.
Please contact us for advice and guidance concerning choice of materials for specific purposes.
PA ALLOYS (TCP) is an alloy of PA 6 and HDPE, and by means of a special additive we have managed to unite two incompatible materials. This provides a completely homogenous structure complying the best properties from each material.
In co-operation with the French petrochemical company ARKEMA (former ATOFINA), Knudsen
Extrusion ApS developed a new material in 2000, TCP, for glide and wear profiles for the conveyor industry.
Material |
PA 6 |
ADVANTAGES |
|
DISADVANTAGES |
|
Material |
HDPE |
ADVANTAGES |
|
DISADVANTAGES |
|
Material |
TCP |
ADVANTAGES |
|
DISADVANTAGES |
|
POLYOLEFINES are comparatively low cost materials, combining a number of good mechanical and chemical properties in a temperature range from -50°C to +70°C (dependent on type).
Most of the types have been approved for foods by the American Food and Drug Administration (FDA) and according to a number of European regulations.
Our standard range include 6 types:
Material |
Hardness |
E-Module |
LDPE | D 51 | 300 MPa |
HDPE P | D 65 | 1.400 MPa |
HDPE 250 | D 60 | 1.000 MPa |
HMW-PE | - | 1.200 MPa |
PP-H2000 | D 73 | 2.000 MPa |
PP-C1100 | D 66 | 1.100 MPa |
Resistance |
Service- |
Data sheet |
- | -20 til +50°C | LDPE |
- | -30 til +60°C | HDPE P |
- | -30 til +60°C | HDPE 250 |
- | -50 til +70°C | HMW-PE |
- | 0 til +80°C | PP-H2000 |
- | -30 til +70°C | PP-C1100 |
FLUOR POLYMERS: In the group of fluor polymers, the best possible product for profiles is PVDF.
As standard we recommend an unmodified PVDF-type, which has been approved for e.g.: Food contact according to the American Food and Drug Administration (FDA), medical use according to USP Class VI and drinking water according to NSF 51.
Typical applications for PVDF profiles are: The conveyor industry (e.g. for chemical or high temperature environments).
Material |
Hardness |
E-Module |
PVDF HA | D 80 | 2.000 MPa |
Resistance |
Service- |
Data sheet |
- | -30 til +140°C | PVDF HA |
OTHER MATERIALS FOR PROFILES: In addition to the materials described in the previous sections, we produce profiles in a variety of other thermoplastic polymers.
We have profound knowledge about profile production in e.g.: POM, PC (unfilled types and types with glass), elastomers, modified polyethylene (PE), fluor polymers (PFA, FEP and ETFE), CAB and TPX.
Please contact us for further information.
Knudsen extrusion aps
Ny Esbjergvej 5
4720 Præstø
Denmark
Phone: +45 55 99 15 30
Our QMS is certificied by DNV according to
ISO 9001