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Royalcast® 23790M
| Category: | PUR-Ester/MDI , Polyurethane (Polyester, MDI) |
| Manufacturer: | Chemtura |
| Trademark: | Royalcast® |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | eh25Zk_Royalcast-23790M.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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ROYALCAST 23790M is a high performance polyester based, MDI terminated liquid urethane prepolymer. When cured with HQEE, this member of the ROYALCAST family produces high quality vulcanizates in the 80 Shore D hardness range. These tough, high quality elastomers are characterized by:
ROYALCAST 23790M, at processing temperature, is low in viscosity and has a working life suitable for machine casting procedures. |
| General Information | |
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| Features |
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| Forms |
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| Processing Method |
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| Hardness | Nominal Value | Test Method | |
|---|---|---|---|
| Durometer Hardness (Shore D) | 80 | ASTM D2240 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Flexural Modulus | 2240 | MPa | ASTM D790 |
| Flexural Strength | 73.3 | MPa | ASTM D790 |
| Taber Abrasion Resistance (5000 Cycles, 1000 g, H-18 Wheel) | 350 | mg | ASTM D1044 |
| Films | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Trouser Tear Resistance | 41.2 | N/mm | ASTM D1938 |
| Elastomers | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Strength | 51.7 | MPa | ASTM D412 |
| Tensile Elongation (Break) | 90 | % | ASTM D412 |
| Tear Strength | |||
| -- 1 | 214 | kN/m | ASTM D624 |
| Split | 28 | kN/m | ASTM D470 |
| Thermoset | Nominal Value | Unit | |
|---|---|---|---|
| Thermoset Components | |||
| Hardener | Mix Ratio by Weight: 31 | ||
| Resin | Mix Ratio by Weight: 100 | ||
| Pot Life | 3.0 | min | |
| Post Cure Time (100°C) | 16 | hr |
| Uncured Properties | Nominal Value | Unit | |
|---|---|---|---|
| Curing Time (121°C) | 0.50 | hr |
| Note Message | |
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| 1 . | Die C |
| Resin Grade | Manufacturer | Category | Trademark |
|---|---|---|---|
| RheTech Polypropylene T20P104-01 | RheTech, Inc. | PP, Unspecified | RheTech Polypropylene |
| SHIN-A SEB-140A75 | SHIN-A T&C | Epoxy | SHIN-A |
| Sinvicomp SRF3705B | Teknor Apex Asia Pacific PTE. LTD. | PVC, Rigid | Sinvicomp |
| OnFlex™ U 5470A-E0083 | PolyOne Corporation | TPE | OnFlex™ |
| Sylvin 6231-90 Orange 5112 | Sylvin Technologies Incorporated | PVC, Unspecified | Sylvin |
