| About |
|---|
| Baytec MS-052 is a modified diphenylmethane diisocyanate (MDI)-terminated polyester prepolymer used in the manufacture of high-property solid cast polyurethane elastomers. When extended with 1,4-butanediol, this material complies with FDA regulation 21 CFR 177.2600 (Rubber Articles Intended for Repeated Use) and may be used for wet and dry repeated-use food-contact applications. When extended with HQEE, it complies with 21 CFR 177.1680 (Polyurethane Resins) and may be used for repeated-use food contact only with dry foods having no free surface fats or oils. As with any product, use of Baytec MS-052 prepolymer in a given application must be tested (including field testing, etc.) in advance by the user to determine suitability.&& |
| Product Description | |
|---|---|
| Supplier | Covestro |
| Generic | PUR-酯+MDI |
| Material Status | Commercial: Active |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| elastic body | Nominal value | Unit | Test method |
| tensile strength | ASTM D412 | ||
| fracture | 26.3 | MPa | ASTM D412 |
| 100% strain | 8.34 | MPa | ASTM D412 |
| 200% strain | 10.6 | MPa | ASTM D412 |
| 300% strain | 12.5 | MPa | ASTM D412 |
| Tensile strain | |||
| fracture | 650 | % | ASTM D412 |
| tear strength | |||
| — | 110 | kN/m | ASTM D624 |
| cracking | 65 | kN/m | ASTM D1938 |
| Compression deformation | |||
| 70℃，22 hr | 30 | % | ASTM D395 |
| Basho’s elasticity | 54 | % | ASTM D2632 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 93 | ASTM D2240 | |
| Taber abraser | |||
| 1000 cycles, 1000 g, H-18 wheels | 34.0 | mg | ASTM D4066 |
| compression deformation | ASTM D575 | ||
| 10% | 2.90 | MPa | ASTM D575 |
| 15% | 3.96 | MPa | ASTM D575 |
| 2% | 0.483 | MPa | ASTM D575 |
| 20% | 5.03 | MPa | ASTM D575 |
| 25% | 6.21 | MPa | ASTM D575 |
| 5% | 1.58 | MPa | ASTM D575 |
| 50% | 18.4 | MPa | ASTM D575 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Die C |
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