HumiSeal® 1B31 LTX is a fast drying, single component acrylic conformal coating, specifically designed to protect against the effects of moisture, corrosive environments and dirt. It is specially formulated with reduced xylene and toluene concentration to be fully compliant with GB30981-2020*. Humiseal 1B31 LTX is available in a range of preblends, which are formulated for use with no further dilution.
HumiSeal 1B31 LTX conformal coating has:
- Protection against moisture, salt / corrosive environments, and dirt
- Easy application with automated systems
- Easy to cure and dry
- Low moisture vapor permeability.
- Fluoresces under UV for ease of inspection and is easily repaired.
- Easy removal using Humiseal® Strippers.
- Range of preblends thinners available for different application methods
- Compliant with GB30981-2020
Product Specification |
|
Recommended Coating Thickness | 25 – 75 microns |
Drying Time to Handle per Fed-Std-141, Meth. 4061 | 10 minutes |
Recommended Curing Conditions | 24 hrs @ RT or 30 min @ 76°C |
Time Required to Reach Optimum Properties | 7 days |
Recommended Stripper | HumiSeal® Stripper 1080 |
Thermal Shock, 50 cycles per MIL-I-46058C | -65°C to 125°C |
Coefficient of Thermal Expansion – TMA | 170 ppm/°C below Tg
340 ppm/°C above Tg |
Glass Transition Temperature – DSC | 14°C |
Modulus – DMA | 2000 MPa @ -40°C
1050 MPa @ 20°C 8.5 MPa @ 60°C |
Dielectric Withstand Voltage, per MIL-I-46058C | >1500 volts |
Dielectric Breakdown Voltage, per ASTM D149 | 7500 volts |
Dielectric Constant, at 1MHz and 25°C per ASTM D150-98 | 2.5 |
Dissipation Factor, at 1MHz and 25°C, per ASTM D150-98 | 0.01 |
Insulation Resistance, per MIL-I-46058C | 8.0 x 1014 ohms (800TΩ) |
Moisture Insulation Resistance, per MIL-I-46058C | 6.0 x 1010 ohms (60GΩ) |
Fungus Resistance, per ASTM G21 | Passes |