Modified MDI Wannate 8310 For Spray Polyurea Coating
Modified MDI Wannate 8310 For Spray Polyurea Coating
WANNATE 8310 is a modified diphenylmethane diisocyanate (MDI) for spray polyurea elastomer/hybrid system.
It is a light yellow liquid at room temperature.
Compared with WANNATE 8312, it gives a higher reactivity; Suitable for application in waterproof fields.
Technical Specifications
| Appearance | Light yellow liquid |
| Isocyanate equivalent weight | 271 |
| NCO Content (%) | 15.5 |
| Specific gravity at 25℃ (g/cm3) | 1.14 |
| Viscosity at 25℃ (Mpa.s) | 700 |
| Acidity (as HCL) (%) | ＜0.05 |
| Flash point (℃) | ＞170 |
Shelf life & Package
The storage time of original packing is 6 months at the above condition from the date of production.
220kg per steel drum
Frequently Asked Questions (FAQ)
Q1: What environment should I store WANNATE 8310 in?
A: Closed, ventilated indoor warehouse at 15-25°C with nitrogen-sealed drums.
Q2: Is WANNATE 8310 easy to crystallize?
A: It crystallizes below 10°C, keep it warm and frost-free in storage.
Q3: What’s the correct heating method for crystallized WANNATE 8310?
A: Uniform heating to 70-80°C, strictly forbid partial overheating, stir fully afterward.
Q4: Why does WANNATE 8310 get thicker when exposed to air?
A: It reacts with moisture to form insoluble ureas, leading to increased viscosity.
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