Chemtronics Chemask WF CWF8 Water Filterable Solder Mask is a high-temperature, temporary spot mask. It specifically protects component-free areas from molten solder during wave soldering processes. This water-soluble formulation ensures easy and efficient removal with open and closed-loop aqueous cleaning systems. Designed for industrial use, it maintains board integrity and prolongs the operational life of deionized water systems.
General Information of Chemtronics Chemask WF CWF8 Solder Mask
Chemtronics Chemask WF CWF8 Water Filterable Solder Mask is a synthetic resin-based, white liquid formulation. It functions as a critical temporary barrier, preventing molten solder from adhering to designated PCB areas during high-temperature wave soldering. Its unique water-soluble nature allows for efficient and complete removal post-soldering. This integrates seamlessly into existing aqueous cleaning systems without leaving corrosive residues.
This advanced masking agent exhibits exceptional temperature stability, effectively protecting boards up to 515°F (268°C). It demonstrates broad compatibility with all common flux types, including rosin, organic, and inorganic formulations. The low-foaming characteristic and non-contaminating properties are crucial. They ensure the product does not negatively impact deionized water system resin beds, thereby extending system life. The Chemtronics Chemask WF CWF8 Water Filterable Solder Mask provides reliable and consistent protection for sensitive electronic components.
Key Features of Chemtronics Chemask WF CWF8 Solder Mask
- High-Temperature Protection: Shields boards from molten solder up to 515°F (268°C). This ensures critical component-free areas remain clean and undamaged.
- Water-Soluble Formulation: Designed for easy removal using standard aqueous cleaning systems. This simplifies post-process cleanup and reduces labor.
- DI Water System Compatibility: Low foaming and non-contaminating properties prevent adverse effects on deionized water system resin beds. This prolongs system life.
- Broad Flux Compatibility: Stable to rosin, organic, and inorganic fluxes. This offers versatile application across various soldering processes.
- Residue-Free Performance: Leaves no corrosive residue after removal. This guarantees long-term PCB reliability and prevents potential electrical issues.
- Environmental Responsibility: Waste stream is filterable with micron bags, aiding in responsible waste management. It contains no methanol and has zero ozone depletion potential (ODP).
Typical Industrial Applications of Chemtronics Chemask WF CWF8 Solder Mask
This formulation is engineered for the following applications:
- Protection of Component Free Areas on PCBs
- Masking of Gold Connectors during soldering
- Shielding of Gold Fingers from molten solder
- Isolation of Pin Connectors during wave soldering 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
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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.
| Property | Value |
| Base Material | Synthetic Resin |
| Color | White |
| Flux Compatibility | All types |
| Temperature Stability | 515°F/ 268ºC |
| Tack-Free Drying Time | 30 min. (10 mils @ 77°F/25ºC) |
| Cure Time | 1 hour (10 mils @ 77°F/25ºC) |
| Viscosity (@ 77°F) | 20,000-28,000 cps (± 500 cps) |
| Viscosity Adjusted With | Dionized water |
| Solids Content | ~ 40% |
| Flash Point | None |
| Weight/Gallon | 8.8 lbs. |
| RoHS Compliant | Yes |
| CFC Content | 0.0% |
| HCFC Content | 0.0% |
| CL Solv. Content | 0.0% |
| VOC Content | 5.0% |
| HFC Content | 0.0% |
| Ozone Depletion Potential (ODP) | 0.00 |
