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Basonat® HB 175 MP/X is an aliphatic polyisocyanate for light fast and weather-resistant two-pack polyurethane coatings. Used to crosslink most hydroxy-containing resins and hydroxy functional polyesters. It is an approximately 75% solids solution in a 1:1 blend of 1-methoxy-2-propyl acetate and xylene.
Details
Polyisocyanate based on biuret-modified hexamethylene diisocyanate (HDI)
- Excellent weather and chemical resistance
- Excellent physical properties
- Non yellowing
Interior/exterior general industrial metal coating applications
Interior/exterior plastic component coating applications
Interior/exterior wood coatings for floor, furniture, or mill work applications
Interior/exterior Automotive OEM or refinish applications
Can be diluted with esters, ketones, glycolether acetates or with aromatic hydrocarbons.
Only urethane-grade solvents should be used to lessen the possibility of reacting with water.
Technical data
| Quantity | Value | Unit | Comment |
|---|---|---|---|
| Appearance Properties | |||
| Color (Hazen) | <30 | ||
| Appearance | |||
| Physical state | Fluid | ||
| Physical Properties | |||
| Density | 1.07 | g/ml | 20°C, DIN 51757 |
| Viscosity | 130 - 300 | cP | 23°C |
| Vapor pressure | 7.5 | mm-Hg | 20°C |
| Thermal Properties | |||
| Boling point | >120 | ºC | |
| flash point | 39 | ºC | |
| Auto-ignition temperature | 425 | ºC | |
| Chemical Properties | |||
| NCO Equivalent | 255 | g/eq | |
| Non-volatile materials | 74 - 76 | % wt | |
| NCO Content | 16 - 17 | % | |
| Lower explosion limit | 1.0 | g/m3 | %(V) |
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