PRODUCT DESCRIPTION:
- Mycoflex 300 PU is one-component moisture curable polyurethane sealant.
- Product has excellent bonding and sealing performance. No corrosion and pollution to substrates, environment friendly, no bubbles during application, smooth and fine appearance.
PRODUCT PROPERTIES:
- Excellent softness after curing, easy to cut, convenient for replacement.
- Excellent bonding performance, primer-less.
- Excellent extrudability and thixotropy, non-sag properties.
AREAS OF APPLICATION:
- Suitable for areas where low movement, high resistance to penetration and pressure are required.
- Suitable for waterproof sealing of the back water surface of bridges and tunnels, drainage pipes and other waterproof structures.
- For precast panel, concrete internal wall and stone bonding and sealing.
APPLICATION NOTES:
- Remove dust, oil and water from the surface of substrates.
- Tack free time and curing speed of Polyurethane sealant influenced by environment temperature and humidity.
- Construction environment temperature: 5~35ºC, humidity: 50~70% RH.
- For construction method, please refer to MC-BIFI construction description or consult technical personnel.
PRODUCT CHARACTERISTICS:
| Packaging | Sausage 600ml. |
| Transport | Keep away the sealed product from moisture, the sun, high temperature and avoid collisions. |
| Storage | Keep sealed into cool, dry place.Temperature: 5~25℃. Humidity: ≤50%RH. |
| Shelf-life | Cartridge and Sausage: 9 months; Barrel: 6 months. |
| Safety | Keep away from children.
Avoid contacting with skin and eye. For skin contacted, remove the sealant by cloth, wash skin thoroughly with soap and water. For eye contacted, hold eyelids apart and flush thoroughly with water, contact physician. |
TECHNICAL DATA:
| Characteristic | Unit | Requirement | Typical Value | Test Std |
| Appearance | Black, Grey, White, Homogeneous paste | |||
| Density | g/cm³ | 1.45 ± 0.1 | 1.45 | ISO 2811-1 |
| Extrudability | ml/min | ≥ 80 | 440 | ASTM C 1183 |
| Sagging properties | mm | ≤ 3 | 0 | ISO 7390 |
| Tack free time | h | ≤ 24 | 1 | ASTM C679 |
| Curing speed | mm/d | ≥ 2.0 | 2.6 | HG/T 4363 |
| Volatile contents | % | ≤ 7 | 2 | ISO 10563 |
| Shore A-hardness | 40~50 | 46 | ISO 868 | |
| Tensile strength | Mpa | ≥ 1.5 | 2.5 | ISO 37 |
| Elongation at break | % | ≥ 400 | 550 | ISO 37 |
*Notes: All data above were tested under standardized condition at 23±2℃ ,50±5%RH.




