Description
Description
LTY-PU246
INTRODUCTION
PU-246 is a two-part, water clear, flexible, low viscosity, liquid polyurethane resin; it has excellent UV and yellowing resistance, anti-aging, and fast dry speed. It is widely used in LED strips encapsulation, potting, doming and non-yellowing coating and so on.
PROPERTIES
| PU246A | PU246B | |
| Color | Water clear | Water clear |
| Viscosity cps/25 â | 400 ±100 | 150 ± 50 |
| Specific gravity | 1.10 ± 0.05 | 1.05 ± 0.05 |
| Expiration date | Half a year | Half a year |
APPLICATION CONDITIONS
| Mix Ration (weight) | PU246A:PU246B=1:1 |
| Pot Life (at 25 â ) | 30 min (After Mixing) |
| Cure | 25â×12~18h or 60â×2.5h |
CURED PROPERTIES
| Hardness (Shore A) | 65 ± 5 |
| Volume resistivity (ohm-cm) | >1015 |
| Surface resistivity (ohm) | >1014 |
| Dielectric constant (KHZ) | 4.2±0.1 |
| Bending strength (kg/mm2) | >10 |
| Impact strength(kg/mm2/cm2) | > 6 |
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