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BJB Polyurethane TC-421 A/B-C CASTABLE
| Category: | TSU , Polyurethane Thermoset Elastomer |
| Manufacturer: | BJB Enterprises, Inc. |
| Trademark: | BJB Polyurethane |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | wIUB69_BJB-Polyurethane-TC-421-A-B-C-CASTABLE.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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TC-421 A/B-C can be used for a great variety of applications. The standard uses for this product include the creation of soft, yet flexible and durable materials, for animated characters, costumes, prosthetics, movie props and test mannequins. The TC-421 A/B-C product offers new dimensions in its ability to stretch and recover while maintaining high tear strength even in the soft to very soft hardness range. Additionally, advancements in lowering surface tack and cure time allow the user to achieve realism in skin-like quality in a remarkable time frame. This system provides further control by allowing you to select the desired levels of stretch, recovery and hardness by the amount of the "C" component used with the basic "A" and "B" mixture. |
| General Information | |
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| Features |
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| Uses |
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| Appearance |
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| Processing Method |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | ASTM D792 | ||
| -- 1 | 0.948 | g/cm³ | |
| -- 2 | 1.02 | g/cm³ | |
| -- | 1.05 | g/cm³ | |
| -- 3 | 1.09 | g/cm³ | |
| Specific Volume | 0.965 | cm³/g |
| Thermoset | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Gel Time 4 | 20.0 to 25.0 | min | |
| Work Time 5(25°C) | 15.0 to 20.0 | min |
| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Molding Shrinkage - Flow | 0.20 | % | ASTM D2566 |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Durometer Hardness | ASTM D2240 | ||
| Shore A 6 | 10 to 20 | ||
| Shore OO 7 | 30 to 40 | ||
| Shore OO 8 | 40 to 50 | ||
| Shore OO 9 | 65 to 75 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Modulus | 0.186 | MPa | ASTM D412 |
| Elastomers | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Strength (Yield) | 3.90 | MPa | ASTM D412 |
| Tensile Elongation (Break) | 1300 | % | ASTM D412 |
| Tear Strength 10 | 10.7 | kN/m | ASTM D624 |
| Electrical | Nominal Value | Test Method | |
|---|---|---|---|
| Dielectric Constant (1 MHz) | 6.61 | ASTM D150 | |
| Dissipation Factor (1 MHz) | 0.051 | ASTM D150 |
| Thermoset | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Thermoset Components | |||
| Part A | Mix Ratio by Weight: 50, Mix Ratio by Volume: 47 | ||
| Part B | Mix Ratio by Weight: 100, Mix Ratio by Volume: 100 | ||
| Shelf Life | 26 | wk | |
| Thermoset Mix Viscosity | ASTM D2393 | ||
| 25°C 11 | 1240 | cP | |
| 25°C 12 | 10.0 | cP | |
| 25°C 13 | 1050 | cP | |
| 25°C 14 | 170 | cP | |
| Demold Time (25°C) | 480 to 720 | min | |
| Post Cure Time (25°C) | 120 to 170 | hr |
| Note Message | |
|---|---|
| 1 . | Part C |
| 2 . | Part B |
| 3 . | Part A |
| 4 . | A & B with no C |
| 5 . | 100g mass, A & B with no C |
| 6 . | A & B |
| 7 . | A & B with 75% C |
| 8 . | A & B with 50% C |
| 9 . | A & B |
| 10 . | Die C |
| 11 . | Part B, Brookfield |
| 12 . | Part C, Brookfield |
| 13 . | Mixed, Brookfield, A &B with no C |
| 14 . | Part A, Brookfield |
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