Item Name: URALITE FH1270
Manufacturer: H.B. Fuller
Technologies: Two-component Thermosetting Polyurethane
Color: Part A – Yellow, Part B – Colorless
Cure Type: Thermal/Room Temperature Cure
Package Size: Contact to Techniq VN for details.
Shelf Life: 12 months
URALITE FH1270 is a two-component, high-solids, thermosetting polyurethane electrical protective coating. It is non-toxic and designed as an insulating compound for coating printed circuit assemblies. FH1270 conforms to Raytheon’s HMS #16-1847 Rev. L, Type II, Class 1, and is suitable for high-solids brush applications.
Insulating coating for printed circuit assemblies
Protective coating for electrical and electronic components
Suitable for applications requiring high dielectric strength and chemical resistance
| Property | Part A | Part B | Blend | Test Method / Condition |
|---|---|---|---|---|
| Blending Ratio (by weight) | 66 | 100 | — | — |
| Color | Yellow | Colorless | Yellow | — |
| Density (lb/gal) | 7.91 | 9.4 | 8.75 | ASTM D0792 |
| Gel Time (83 g, 23°C) | >6 h | — | — | — |
| Odor | Ester-like solvent | — | — | — |
| Shelf Life | 12 months | 12 months | — | — |
| Solid Content (non-volatiles) | 75% | 60% | — | TMWB052 |
| Specific Gravity | 0.95 | 1.13 | — | D792/D1475 |
| Tack-Free Time (93°C) | 25–30 min | — | — | TMTS074 |
| Viscosity (25°C) | 500 cP | 300 cP | 300 cP | TMTS001 |
| Viscosity Flow Index (Zahn #2) | 36–44 s | — | — | TMSC077 |
| Dielectric Strength | — | — | 579 V/mil | — |
| Dielectric Constant at 1 MHz | — | — | 3.26 | — |
| Dissipation Factor at 1 MHz | — | — | 0.021 | — |
| Volume Resistivity | — | — | 1.9×10¹⁶ Ω·cm | — |
| Surface Resistivity | — | — | 8.22×10¹⁶ Ω | — |
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