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| | | Main technology - Key to materials | | |
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| | | 2B:20 looking at the basic properties of the materials shown in the table below. There is also considerable scope for adapting the properties of the selected material to suit more specific requirements. | | |
| | | The materials we use in the manufacture of sealing profiles are natural rubber, SBR, EPDM, Chloroprene, Nitrile and Silicone. In order to select the right material for each application we recommend that you start by | | |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Property ^"^-^^ | Natural - | SBR | EPDM | Cloroprene | Nitrile | Silicone | | | | 1 | 2 | 3 | 4 | 5 | 1 | 2 | 3 | 4 | 5 | 1 | 2 | 3 | 4 | 5 | 1 | 2 | 3 | 4 | 5 | 1 | 2 | 3 | 4 | 5 | | | | Resistance to wear | | | | • | • | | | | • | | | | | • | | | | • | | | • | | | | | | | | Settlement value | | | • | • | | | | • | • | | | | • | | | | | • | | | | | | | • | | | | Resistance to cold | | | | • | • | | | | | • | | • | | | | | | • | | | | | | | • | | | | Resistance to oxidation | | • | • | | | | | | | • | | | | • | | | | | • | | | | | | • | | | | Resistance to weather | • | • | | | | | | | | • | | | | • | | | | • | | | | | | | • | | | | Resistance to ozone | • | • | | | | | | | | • | | | | • | | • | | | | | | | | | • | | | | Resistance to fire | • | | | | | • | • | | | | | | | • | | • | | | | | | • | | | | | | | Thermal ageing | | | • | | | | | | | • | | | | • | | | | • | • | | | | | • | | | | | Resistance to oils and petrol | • | | | | | • | | | | | | | • | | | | | | • | | | • | | | | | | | Hardness °IRH | 40-80 | 40-90 | 50-80 | 50-80 | 50-80 | | | | Strength, max. MPa | 20 | 10 | 15 | 15 | 7,5 | | | | Max. temp. 6 v. °C | + 70°C | + 100°C | | + | 90°C | | + 90°C | + 200°C | | | | Resistance to cold °C | - 50°C | | | - 55°C | | | - | 40°C | | - 40°C | - 90°C | | | | Approx polymer price index | 70 | 100 | 160 | 110 | 350 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| | | Rating scale: 1 Poor 2 Reasonable 3 Good 4 Very good 5 Excellent | | |
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| | | In addition to the materials in the table above we also manufacture profiles from: AEM Ethanacryl rubber ECO Epichlorhydrin rubber HNBR Hydrated nitrile rubber FPM Fluor rubber NBR/PVC Nitrile/PVC | | |
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| | | w TRELLEBORG BUILDING SYSTEMS Trelleborg IndustrialProfiles Nordic P.O. Box 1004 SE-331 29 Varnamo, Sweden Tel: +46 370 48100 Fax +46 370 48230 www.industrialprofiles.com | | |
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