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BJB Polyurethane TC-812 A/B LIGHTCAST
| Category: | PUR, Unspecified , Polyurethane |
| Manufacturer: | BJB Enterprises, Inc. |
| Trademark: | BJB Polyurethane |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | 42xGWD_BJB-Polyurethane-TC-812-A-B-LIGHTCAST.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
Wechat:
| Message |
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| TC-812 A/B is a light weight filled, low viscosity, quick setting, easy to use casting material. A model or tool cast from TC-812 A/B will weigh 40% less than other unfilled urethane systems. Within 60 minutes after mixing and pouring, it is ready to be carved, sanded, filed, tapped, etc. Its characteristics make it ideal for lightweight backing of laminates and/or surface coats. Perfect for fast take offs, cores, engineering changes, temporary molds, patterns, models, prototypes, and bases for die molds. |
| General Information | |
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| Features |
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| Uses |
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| Forms |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | ASTM D792 | ||
| -- 1 | 0.608 | g/cm³ | |
| -- | 0.638 | g/cm³ | |
| -- 2 | 0.648 | g/cm³ | |
| Specific Volume | 1.57 | cm³/g |
| Thermoset | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Gel Time | 6.0 | min | |
| Work Time 3(25°C) | 4.0 | min |
| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Molding Shrinkage - Flow | 0.30 | % | ASTM D2566 |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Durometer Hardness (Shore D) | 60 to 65 | ASTM D2240 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Strength | 17.8 | MPa | ASTM D638 |
| Flexural Modulus | 1180 | MPa | ASTM D790 |
| Flexural Strength | 18.8 | MPa | ASTM D790 |
| Compressive Strength | 21.0 | MPa | ASTM D695 |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Deflection Temperature Under Load (1.8 MPa, Unannealed) | 56.1 | °C | ASTM D648 |
| Thermoset | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Thermoset Components | |||
| Part A | Mix Ratio by Weight: 100 | ||
| Part B | Mix Ratio by Weight: 100 | ||
| Shelf Life | 26 | wk | |
| Thermoset Mix Viscosity | ASTM D2393 | ||
| 25°C 4 | 875 | cP | |
| 25°C 5 | 650 | cP | |
| 25°C 6 | 750 | cP | |
| Demold Time (25°C) | 60 | min |
| Note Message | |
|---|---|
| 1 . | Part B |
| 2 . | Part A |
| 3 . | 1/2lb mass |
| 4 . | Part B, Brookfield |
| 5 . | Part A, Brookfield |
| 6 . | Mixed, Brookfield |
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