Applications

HumiSeal® 1B31 LTX – Acrylic Conformal Coating – Moisture & Corrosion Protection

-Item Name: HumiSeal® 1B31 LTX
-Manufacturer: HumiSeal
-Technologies: Acrylic Conformal Coating
-Color: Not specified
-Cure Type: 24 hrs at room temperature or 30 min at 76°C
-Package Size: Contact to Techniq VN for details.
-Shelf Life: 24 months

1. Product Overview

HumiSeal® 1B31 LTX is a fast-drying, single-component acrylic conformal coating designed to protect electronic assemblies from moisture, corrosion, and contaminants. It is formulated with reduced xylene and toluene concentration, ensuring compliance with GB30981-2020 VOC standards. The product is available in various pre-blended formulations, eliminating the need for further dilution.

2. Applications

  • Protection of PCBs and electronic components from environmental stress.
  • Used in automated spray and film coating systems.
  • Suitable for applications requiring low moisture vapor permeability and easy inspection under UV light.

3. Typical Properties

Property Before Mixing (Pre-Blended Products)
Viscosity (CPS) 65 – 200 ± 15
Solids Content (%) 23.5 – 35 ± 3
Density (g/cm³) 0.87 – 0.92 ± 0.02
VOC Content (g/L) 592 – 689
Property After Mixing / Cured
Recommended Coating Thickness 25 – 75 microns
Drying Time to Handle 10 minutes
Curing Conditions 24 hrs @ RT or 30 min @ 76°C
Time to Reach Optimum Properties 7 days
Thermal Shock Resistance -65°C to 125°C
Glass Transition Temperature (Tg) 14°C
Dielectric Withstand Voltage >1500V
Dielectric Breakdown Voltage 7500V
Insulation Resistance 8.0 × 10¹⁴ ohms (800TΩ)
Moisture Insulation Resistance 6.0 × 10¹⁰ ohms (60GΩ)

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