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General Properties of Plastics
| Low Density Polyethylene LDPE | High Density Polyethylene HDPE | Polypropylene PP | PVC Rigid | Co-Polyester PETG | Polyamide | Polycarbonate | ||
|---|---|---|---|---|---|---|---|---|
| Physical properties of thermoplastics | Natural colour | Transparent | Translucent white | Transparent | Crystal Clear | Crystal Clear | Up to 0.5mm wall thickness, crystal clear | Crystal Clear |
| State at 20 degrees C | Flexible | Flexible/Rigid | Flexible/Rigid | Brittle/Impact resistant | Brittle/Impact resistant | Flexible/Touch Vunerable to folding | Flexible/Rigid | |
| Specific weight at 20 degrees C | Approx 0.92 | Approx 0.95 | Approx 0.905 | Approx 1.38 | Approx 1.25 | Approx 1.12 | Approx 1.13 | |
| Shore hardness at 20 degrees C | Approx 90 | Approx 95 | Approx 100 | Approx 100 | Approx 100 | Approx 100 | Approx 100 | |
| Tear strength at 20 degrees C | Approx 10 N/mm2 | Approx 20 N/mm2 | Approx 30 N/mm2 | Approx 50 N/mm2 | Approx 50 N/mm2 | Approx 45 N/mm2 | Approx 60 N/mm2 | |
| Elongation at 20 degrees C | Approx 500% | Approx 500% | Approx 650% | Approx 30% | Approx 15% | Approx 200% | Approx 100% | |
| Water Absorption | Traces | Traces | Traces | Traces | Traces | High | Traces | |
| Diffusion | Hydrocarbons | Hydrocarbons | Hydrocarbons | Hydrocarbons | Hydrocarbons | Water, Hydrocarbons | Water, Hydrocarbons | |
| This information only provides a general indication | ||||||||
| Chemical properties of thermoplastics | Resistant against | Non oxidising alkalis, organic solvents excluding chlorinated hydrocarbons, it is advisable to carry out storage tests for testing diffusion | See LDPE / HDPE | Acids, alkalis, petrol, oil, fats, terpentine, alcohol | Petrol, oils, fats, terpentine | Petrol, benzene, cholrinated hydrocarbons, oils, fats | Weak acids | |
| Not resistant against | Oxidising acids, oils, fats, chlorinated hydrocarbons | Oxidising acids, chlorinated hydrocarbons | Oxidising acids, oils, fats, chlorinated hydrocarbons | Esters, ketone, benzene, chlorinated hydrocarbons, hydrogene sulphide | Esters, ketone, benzene, chlorinated hydrocarbons | Acids, alkalis, alcohol, water | alkalis, strong acids, esters, ketone, benzene, chlorinated hydrocarbons | |
| This information only provides a general indication. Storage tests are recommended. | ||||||||
| Applications | Container size | 0,001 to 1000L | 0,001 to 3000L | 0,01 to 120L | 0,01 to 5L | 0,01 to 1L | 0,01 to 60L | 0,01 to 30L |
| Type of contents | Cosmetic preperations, food stuffs and chemicals | See LDPE, aromatic hydrocarbons, oils, fats | Cosmetic preperations, food stuffs and chemicals | Wash polish, petrol, oils, fats, shoecream, cosmetic preperations, foodstuffs | Cosmetic preperations, foodstuffs | Petrol, oils, fats, satin remover (tri, tetra) | Cosmetic preperations, foodstuffs | |
| Transformation of contents | None caused by the material itself, possibly due to diffusion | ~ | ~ | Drying out without becoming moist due to diffusion of water | None caused by the material itself, possibly due to diffusion | |||
| Printing options | Screen printing | Screen printing | Screen printing | Screen printing | Screen printing | Screen printing | Screen printing | |
| Engraving suitability | Good | Good | Very good | Vunerable to cracking around sharp edges | Vunerable to cracking around sharp edges | Vunerable to cracking around sharp edges | Vunerable to cracking around sharp edges | |
| Operational temperature | -40 degrees C to 95 degrees C | -40 degrees C to 110 degrees C | 0 degrees C to 130 degrees C | -30 degrees C to 70 degrees C | 0 degrees C to 60 degrees C | 0 degrees C to 80 degrees C | -40 degrees C to 115 degrees C |