Product Introduction:
HumiSeal® 1B59LU is an advanced air-drying, single-component synthetic rubber conformal coating that combines low moisture vapor permeability with enhanced heat resistance. This coating is ideal for protecting electronics in demanding environments.
HumiSeal® 1B59LU Features:
- Fluoresces under UV light for easy inspection
- Compliant with RoHS Directive 2011/65/EU
- Compliant with IPC-CC-830
- Low moisture vapor permeability
- Improved heat resistance
HumiSeal® 1B59LU Applications:
- Protection for electronic assemblies
- Moisture and heat resistance in demanding environments
- Ideal for long-term reliability
Prostech offers specialty materials (adhesives, tapes, thermal interface materials, insulating materials, sealants, PCB protection materials, …) along with manufacturing solutions. We proudly serve a wide range of industries and are an authorized distributor for leading global manufacturers of industrial materials and equipment. Our product range is designed to deliver customized solutions that address each customer’s unique needs. With years of experience and a successful project history, we are confident in our ability to provide comprehensive material solutions. These solutions effectively tackle the challenges manufacturers face. To explore our full product catalog, simply click here. Our dedicated team is ready to assist with: Moreover, Prostech ensures the safe and accurate global delivery of all materials, including “dangerous goods”, in compliance with legal regulations. For personalized technical support or to receive a quotation, please contact us today.About Prostech
| Property | Value |
|---|---|
| Density | 0.79 ± 0.02 g/cm³ |
| Solids Content | 18.5 ± 1.5 % by weight |
| Viscosity | 210 ± 70 cps |
| VOC | 648 g/L |
| Drying Time to Handle | 6-10 minutes |
| Recommended Coating Thickness | 25 – 75 µm |
| Recommended Curing Conditions | 24 hrs @ RT or 30 min @ 76°C |
| Time to Reach Optimum Properties | 7 days |
| Recommended Thinners | HumiSeal® T903 or T904 |
| Recommended Stripper | HumiSeal® Stripper 1080 |
| Shelf Life at Room Temperature | 12 months |
| Minimum Operating Temperature | -65 ºC |
| Maximum Operating Temperature | 150 ºC |
| Glass Transition Temperature (DSC) | -49.6 °C |
| Dielectric Withstand Voltage | >1500 volts |
| Dielectric Strength | 85 KV/mm |
| Dielectric Constant (23 ºC, 1 MHz) | 1.9 |
| Dissipation Factor (23 ºC, 1 MHz) | 0.004 |
| Insulation Resistance | 8.4 x 10¹² Ohms (8.4 TΩ) |
| Moisture Insulation Resistance | 1.8 x 10¹⁰ Ohms (18 GΩ) |
| Surface Insulation Resistance (85 ºC / 85% RH, 50V) | 9.5 log Ohms |
| Volume Resistivity | 8.5 x 10¹⁵ Ohms·cm (8.5 PΩ) |
| Surface Resistivity | 2.6 x 10¹⁵ Ohms per Sq. (2.6 PΩ) |
| Moisture Permeability | 26 g/m²·day (110 µm) |
