LOCTITE® UR 7221
Được gọi là MACROPLAST UR 7221
Đặc tính và Lợi ích
A 1-part polyurethane adhesive that hardens by humidity or spraying with a fine water mist. Good relationship between open time and press time.
LOCTITE® UR 7221 is a solvent-free, polyurethane (PU) adhesive ideal for general assembly applications. It’s typically used for manufacturing sandwich elements with porous substrates, e.g. wood, which contain humidity. The substrates can be bonded to one another or metals, laminated panels, various plastics, rigid foams made of polystyrene, polyurethane and others. When applied, LOCTITE UR 7221 hardens by humidity or spraying with a fine water mist. At room temperature and the required humidity in the joint, sufficient strength will be obtained after approximately 2 to 4 h. Faster curing can be done using a heated press with a maximum temperature of 70°C (158°F).
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Thông tin kĩ thuật
| Độ Nhớt, Brookfield - RVT, Henkel method 10 @ 20.0 °C | 5500.0 - 10500.0 mPa.s (cP) |
LOCTITE® UR 7221
A 1-part polyurethane adhesive that hardens by humidity or spraying with a fine water mist. Good relationship between open time and press time.