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BJB Polyurethane F-70 A/B
| 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: | 8iLPUA_BJB-Polyurethane-F-70-A-B.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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The F-70 A/B system is a production oriented fast gel and fast de-mold material. It features a working time which allows time to mix, vacuum de-gas, and pour air-free parts. F-70 A/B can be demolded in as little as one hour depending on part size and configuration. Product Highlights:
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| General Information | |
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| Features |
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| Uses |
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| RoHS Compliance |
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| Appearance |
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| Forms |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | |||
| -- 1 | 1.02 | g/cm³ | |
| -- 2 | 1.13 | g/cm³ | |
| -- | 1.11 | g/cm³ | ASTM D792 |
| Shrinkage | 0.20 | % | ASTM D2566 |
| Thermoset | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Gel Time | 4.0 - 5.0 | min | |
| Work Time 3(25°C) | 3.0 - 4.0 | min |
| Additional Information | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Cure Time (25°C) | 5.0 - 7.0 | day |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Durometer Hardness (Shore A) | 65 - 75 | ASTM D2240 |
| Elastomers | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Stress | ASTM D412 | ||
| 100% strain | 2.96 | MPa | ASTM D412 |
| 200% strain | 4.55 | MPa | ASTM D412 |
| 300% strain | 6.21 | MPa | ASTM D412 |
| Tensile Strength (Break) | 6.48 | MPa | ASTM D412 |
| Tensile Elongation (Break) | 320 | % | ASTM D412 |
| Tear Strength | 15.2 | kN/m | ASTM D624 |
| Thermoset | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Thermoset Components | |||
| Component a | Mixing ratio by weight: 100, mixing ratio by capacity: 90 | ||
| Component B | Mixing ratio by weight: 100, mixing ratio by capacity: 100 | ||
| Shelf Life | 26 | wk | |
| Thermoset Mix Viscosity | Brookfield | ||
| 25°C 4 | 550 | cP | Brookfield |
| 25°C 5 | 690 | cP | Brookfield |
| 25°C | 620 | cP | Brookfield |
| Demold Time (25°C) | 60 - 120 | min |
| Additional Information | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Note: Physical properties obtained from test specimens post cured per recommended procedure.In order to achieve maximum physical properties, a post cure with heat is required. BJB recommends 24 hours at ambient temperature, 77°F (25°C), followed by 16 hours at 160°F (71°C). |
| Note Message | |
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| 1 . | Part B |
| 2 . | Part A |
| 3 . | 100g mass |
| 4 . | Part A |
| 5 . | Part B |
| Resin Grade | Manufacturer | Category | Trademark |
|---|---|---|---|
| Siloxane Masterbatch MB50-320 | Multibase, A Dow Corning Company | Siloxane, UHMW | Siloxane Masterbatch |
| Vyncolit® 2923W | Vyncolit N.V. | Phenolic | Vyncolit® |
| ADMER™ AT2717E | Mitsui Chemicals Europe GmbH | PP, Unspecified | ADMER™ |
| ADENE NCTEC | A.D. Compound spa | PP Copolymer | ADENE |
| Epoxies, Ect. 20-2162 | Epoxies, Etc. | PUR, Unspecified | Epoxies, Ect. |
