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ER series are polyether based thermoplastic polyurethane. They exhibit excellent mechanical properties, hydrolytic resistance, fungus resistance, and low temperature performance properties.
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ER series are polyether based thermoplastic polyurethane. They exhibit excellent mechanical properties, hydrolytic resistance, fungus resistance, and low temperature performance properties.
Application
Lay-flat hose, tubes, flexitank, fabric coating, wire & cable jacket, film & sheet, animal ear tag, smart watch band etc.
Properties
Properties | Standard | Unit | ER70 | ER75 | ER80 | ER85 | ER88 | ER90 | ER95 | ER55D | ER65D |
Density | ASTM D792 | g/cm3 | 1.10 | 1.10 | 1.10 | 1.11 | 1.11 | 1.12 | 1.14 | 1.16 | 1.17 |
Hardness | ASTM D2240 | Shore A/D | 68-72A | 73-77A | 78-82A | 83-87A | 87-90A | 90-93A | 94-97A | 53-57D | 62-68D |
Tensile Strength | ASTM D412 | MPa,≥ | 20 | 23 | 28 | 32 | 36 | 39 | 40 | 42 | 42 |
100% Modulus | ASTM D412 | MPa | 2-8 | 2-8 | 3-9 | 4-10 | 5-11 | 6-12 | 10-16 | 15-21 | 19-16 |
300% Modulus | ASTM D412 | MPa | 6-12 | 6-12 | 7-13 | 9-15 | 12-18 | 12-19 | 22-19 | 23-32 | 25-35 |
Elongation at Break | ASTM D412 | %,,≥ | 700 | 680 | 650 | 600 | 550 | 500 | 480 | 400 | 350 |
Tear Strength | ASTM D624 | kN/m, | 55-90 | 60-100 | 55-105 | 65-115 | 70-130 | 80-140 | 100-170 | 110-180 | 140-200 |
Tg | DSC | ℃ | -60 | -55 | -46 | -45 | -40 | -36 | -34 | -30 | -25 |
Note: The above values are shown as typical Values and should not be used as specification.If you want to know further information or more grades, please contact info@sundow.com.
Packaging
ER series is packaged in the form of white pellets in paper-plastic bags of 25 Kg net weight (1000 Kg/pallet).
Storage
ER series should be inspected to assure containers are not broken during transportation. Containers should be stored in a cool and dry environment, and should be brought to room temperature before opening in order to prevent condensation. Once being used, containers with residual materials should be sealed. It is necessary to cover the feed hopper of the processing machine.
Health and Safety
TPU resin materials have no hazardous reactions observed. The waste can be discarded to public garbage cans. When contacting or processing this product, it is recommended that all personnel wear eye/face protection and suitable protective clothing.