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RapidVac™ VA-257
| Category: | TSU , Polyurethane Thermoset Elastomer |
| Manufacturer: | Innovative Polymers, Inc. |
| Trademark: | RapidVac™ |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | C4boIx_RapidVac-VA-257.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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| Message |
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| VA-257 is a rigid polyurethane formulated for hand-batch or vacuum assisted casting methods. Excellent physical properties can be obtained without the utilization of mercury, MOCA, or TDI. VA-257 meets the standards required to pass UL 94-V0. |
| General Information | |
|---|---|
| Features |
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| RoHS Compliance |
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| Appearance |
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| Processing Method |
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| Physical | Nominal Value | Unit | |
|---|---|---|---|
| Specific Gravity | |||
| Hardener | 1.20 | g/cm³ | |
| Cured | 1.25 | g/cm³ | |
| Base Resin | 1.30 | g/cm³ |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Flexural Modulus | 2070 | MPa | ASTM D790 |
| Flexural Strength | 75.8 | MPa | ASTM D790 |
| Impact | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Notched Izod Impact | 37 | J/m | ASTM D256 |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Deflection Temperature Under Load | ASTM D648 | ||
| 0.45 MPa, Unannealed | 88.0 | °C | |
| 1.8 MPa, Unannealed | 80.0 | °C |
| Thermoset | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Thermoset Components | |||
| Hardener | Mix Ratio by Volume: 54 Mix Ratio by Weight: 50 | ||
| Resin | Mix Ratio by Weight: 100 Mix Ratio by Volume: 100 | ||
| Demold Time | 90 to 210 | min |
| Uncured Properties | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Viscosity | |||
| 38°C 1 | 0.55 | Pa·s | |
| 38°C 2 | 0.95 | Pa·s | |
| 38°C 3 | 1.0 | Pa·s | |
| Curing Time 4 | 40 | hr | |
| Gel Time | 5.5 to 8.5 | min |
| Cured Properties | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Shore Hardness (Shore D) | 75 to 85 | ASTM D2240 | |
| Tensile Strength | 42.7 | MPa | ASTM D638 |
| Tensile Elongation at Break | 14 | % | ASTM D638 |
| Note Message | |
|---|---|
| 1 . | Hardener |
| 2 . | Resin |
| 3 . | Mixed |
| 4 . | 24 hours at 77°F + 16 hours at 180°F |
| Resin Grade | Manufacturer | Category | Trademark |
|---|---|---|---|
| tefabloc® TP SD 300 70A | Mitsubishi Chemical Performance Polymers, Inc. | TPE | tefabloc® |
| VESTAMID® L L-R9-MHI | Evonik Industries AG | Nylon 12 | VESTAMID® L |
| Andur 3300 AS/Curative | Anderson Development Company | PUR-TDI | Andur |
| DURACON® KT-20 | Polyplastics Co., Ltd. | Acetal (POM) Copolymer | DURACON® |
| Axiall PVC 7533 | Axiall Corporation | PVC, Rigid | Axiall PVC |
