HumiSeal® 521 EU
HumiSeal® 521 EU is a high-quality specialty thinner developed to adjust the viscosity of HumiSeal® coatings while preserving their original performance and formulation balance. Specially formulated for the European market, HumiSeal® 521 EU ensures seamless integration with compatible coatings such as 1A20, 1A27, 1A33, 1B31, 1B66, 1B73, and 1R32. Whether viscosity adjustment is required before application or during processing, this thinner guarantees precise control and consistency. Fully compliant with the RoHS Directive 2011/65/EU, it meets stringent environmental and safety standards, making it an ideal solution for manufacturers across the EU. HumiSeal® 521 EU is engineered to deliver optimal thinning results without compromising coating integrity—ensuring uniform protection and reliable performance across a range of electronics and industrial applications.
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 | 521 EU |
|---|---|
| Compatible HumiSeal® Coatings | 1A20, 1A27, 1A33, 1B31, 1B66, 1B73, 1R32 |
| Relative Evaporating Rate (BuAc=1) | 0.60 |
| Specific Gravity | 0.86 ± 0.01 |
| Boiling Point (°C) | 137 – 140 |
| Vapour Pressure (mmHg) | 18.0 |
| Vapour Density (Air=1) | 3.6 |
| Flash Point (°C) TCC | 30 |
| VOC (grams/litre) | 860 |
| Shelf Life, DOM | 24 months |
| Colour | Clear |
