HumiSeal® 1R32 LTX is a fast-drying, single-component acrylic conformal coating specifically engineered to protect electronics from moisture, corrosive environments, and dirt. With reduced xylene and toluene concentrations, HumiSeal® 1R32 LTX fully complies with the GB30981-2020 standard, ensuring safety and performance.
Key Benefits of HumiSeal® 1R32 LTX:
- Superior protection against moisture, salt, and contaminants.
- Easy application with automated systems.
- Quick curing and drying process.
- Low odor during use.
- Excellent low moisture vapor permeability.
- Fluoresces under UV light for inspection ease and is easily repairable.
- Simple removal with HumiSeal® Strippers.
- Available in a range of pre-blends, tailored for various application methods.
Pre-blends Available:
- Pre-blend with Thinner 600: Optimized for enhanced spray applications.
- Pre-blend with Thinner 789: Ideal for film coater systems. Heated systems may be required for 120CPS pre-blends to improve coating coverage.
HumiSeal® 1R32 LTX ensures compliance with both the GB30981-2020* standard for VOC limits and the GB/T 23990-2020 test method for solvent percentage analysis. It is designed for easy use, low environmental impact, and reliable protection of your electronics.
Boost your product’s longevity and reliability with HumiSeal® 1R32 LTX.
About Prostech
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:
- Provide quotation, sample, TDS/MSDS, and technical consultation
- Testing sample quality and verifying product compatibility in our laboratory
- Customizing material formulas for special applications
- Adapting product sizes, quantities, and packaging to meet specific needs
- Offering expert advice on suitable equipment and automation processes
- Delivering technical training and on-site support for optimal product use
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.
| Product | Viscosity (CPS) | Solids (%) | Density (g/cm³) | VOC (g/L) |
| 1R32 LTX | 200 ± 15 | 35 ± 3 | 0.91 ± 0.02 | 592 |
| 1B32 LTX/600 PB120 | 120 ± 5 | 29.5 ± 1.5 | 0.92 ± 0.02 | 649 |
| 1B32 LTX/789 PB120 | 120 ± 5 | 31.5 ± 1.5 | 0.89 ± 0.02 | 610 |
| 1B32 LTX/600 PB65 | 65 ± 5 | 23.5 ± 1.5 | 0.90 ± 0.02 | 689 |
| 1B32 LTX/789 PB65 | 65 ± 5 | 26.5 ± 1.5 | 0.87 ± 0.02 | 639 |
| 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 |
