Product Introduction
HumiSeal® 704 is a specialty solvent-based thinner designed for compatibility with HumiSeal® 1A20 and 1B31 coatings. It supports efficient viscosity control while maintaining the original chemical properties of the coatings. HumiSeal® 704 ensures smooth application and consistent performance whether used for brushing or spraying, ideal for a wide range of production settings. It is compliant with RoHS and North American air quality standards.
HumiSeal® 704 Features:
- Compatible with HumiSeal® 1A20 and 1B31 coatings
- Efficient viscosity control without compromising coating integrity
- Smooth application by brushing or spraying
HumiSeal® 704 Applications:
- Conformal coating applications
- Suitable for various production settings
- Compliant with RoHS and air quality standards
About Prostech
Prostech Philippines is a one-stop solution provider for specialty materials and equipment across electronics manufacturing, from PCBA to final assembly. Our core material and equipment solutions include:
- PCB Assembly Materials
- Cleaning & Degreaser
- Circuit Board Protection
- Thermal Management Solutions
- EMI Shielding
- General Assembly Adhesives
- Elastomeric Materials
- Process Equipment: Potting & Coating Systems, UV/ Heat Curing, Plasma Treatment, Tape placement automation, and cleaning machines
Technical Added Value to customer
Prostech offers customized material and process equipment solutions with engineering support throughout R&D, production process optimization, and performance validation. Our in-house lab located in Alabang, Muntinlupa is equipped to conduct electronics material testing, application simulation, and adhesive validation, helping customers reduce the need for onsite trials and accelerate implementation.
International Supply Chain Advantage
Regional warehouse hubs across Vietnam, Singapore, Malaysia, and the Philippines ensure cross-border reliable supply. In Philippines PEZA-bonded warehouse located at Lima Industrial Park, Batangas enables Prostech to provide responsive, demand-based delivery and significantly shortens standard lead time for Philippines customers.
Need help selecting the right product or solution?
| Thinner | 24 | 600 | 604 | 605 | 701 | 704 | 800 | 801 |
|---|---|---|---|---|---|---|---|---|
| Compatible HumiSeal® Coatings | 1A65 | 1A67, 1B31EPA, 1B73EPA, 1R32A-2, 1A33 | 1B31EPA, 1B73EPA | 1B31EPA (Not For Use With 1B73EPA) | 1B31LOC, 1B66LOC, 1B73EPA, 1B73LOC | 1A20, 1B31 | 1B31LSE, 1B73LSE | 1B31LSE, 1B73LSE |
| Relative Evaporating Rate (BuAc=1) | 3.62 | 0.37 | 0.30 | 3.18 | 1.33 | 1.26 | 2.78 | 2.04 |
| Specific Gravity | 0.85 ± 0.01 | 0.97 ± 0.01 | 0.93 ± 0.01 | 0.70 ± 0.01 | 1.27 ± 0.03 | 1.12 ± 0.01 | 0.86 ± 0.01 | 0.87 ± 0.01 |
| Boiling Point (°C) | 82 | 141 | 141 | 98 | 140 | 140 | 98 | 119 |
| Vapour Pressure (mmHg) | 45.4 | 3.8 | 3.8 | 85 | 3.8 | 3.8 | 34 | 26 |
| Vapour Density (Air=1) | 4.0 | 4.6 | 4.6 | 2.0 | 4.6 | 4.6 | 4.0 | 4.2 |
| Flash Point (°C) TCC | 30 | 47 | 12 | -1 | 22 | 22 | 16 | 16 |
| VOC (grams/litre) | 847 | 969 | 930 | 702 | 127 | 0 | < 17 | 250 |
| Shelf Life, DOM | 24 months | |||||||
| Colour | Clear | |||||||



