HumiSeal® 521
With Product Code HumiSeal® 521, this thinner stands out for its broad compatibility with various coatings including 1A20, 1A27, 1A33, 1B31, 1B66, 1B73, and 1R32. HumiSeal® 521 is a reliable solution for adjusting coating viscosity to meet specific application demands while maintaining chemical balance. Its superior solvent blend ensures easy handling, improved flow, and uniform coverage, particularly in complex electronic and industrial assemblies. Ideal for facilities working with diverse coating types, HumiSeal® 521 delivers versatility without sacrificing quality. This thinner is also RoHS compliant, supporting companies aiming for sustainable and regulation-aligned production processes.
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.
| Thinner | 64 | 73 | 503 | 505 | 521 | 535 |
|---|---|---|---|---|---|---|
| Compatible HumiSeal® Coatings | 2A64 | 1B73 | 1B12, 1B31, 1B66, 1B73 | 1R32, 1R32A-2 | 1A20, 1A27, 1A33, 1B31, 1B66, 1B73, 1R32 | 2A53 |
| Relative Evaporating Rate (BuAc=1) | 0.89 | 1.0 | 3.77 | 1.65 | 0.60 | 1.50 |
| Specific Gravity | 0.95 ± 0.01 | 0.88 ± 0.01 | 0.85 ± 0.01 | 0.83 ± 0.01 | 0.87 ± 0.01 | 0.87 ± 0.01 |
| Boiling Point (°C) | 110 | 127 | 82 | 117 | 137 | 110 |
| Vapour Pressure (mmHg) | 9.1 | 8.0 | 45.4 | 15 | 19.4 | 45.4 |
| Vapour Density (Air=1) | 3.4 | 4.0 | 4.0 | 3.5 | 3.6 | 4.0 |
| Flash Point (°C) TCC | 5 | 27 | -1 | 14 | 27 | 5 |
| VOC (grams/litre) | 950 | 882 | 850 | 830 | 868 | 868 |
| Shelf Life, DOM | 24 months | |||||
| Colour | Clear | |||||
