• Item Name: Chemtronics Chemask® HV (Product# CHV8)
• Manufacturer: Chemtronics
• Technologies: Peelable solder masking agent, natural latex rubber
• Color: Pink
• Cure Type: Fast curing, ambient temperature (tack-free 15 min, full cure 30 min @ 25°C)
• Package Size: 8 fl. oz. / 236 mL liquid
• Shelf Life: 2 years
Chemask® HV Solder Masking Agent is a temporary, peelable, high-viscosity compound designed for use in electronic manufacturing. It provides high-temperature resistance up to 515°F (268°C) and cures quickly, allowing protection of sensitive areas during wave soldering or conformal coating. The product is non-flammable, RoHS compliant, solvent-stable, and leaves no residue upon removal.
Protecting component-free areas during wave soldering
Shielding pin connectors and sockets
Covering temperature-sensitive components
Safeguarding board areas during conformal coating processes
Compatible with all flux types (rosin, no-clean, water-soluble)
| Property | Before Use / Unmixed | After Cure / Mixed (if applicable) |
|---|---|---|
| Base Material | Natural latex rubber | Peelable cured mask |
| Color | Pink | Pink (peelable) |
| Solvent Stability | Stable in hydrocarbon, HFC, chlorinated, halogenated solvents | Maintains integrity in solvents |
| Flux Compatibility | All types | Compatible with all flux residues |
| Temperature Stability | — | Up to 515°F (268°C) |
| Drying Time (Tack-Free) | ~15 min @ 25°C (10 mils) | Fully cured in ~30 min @ 25°C |
| Viscosity (@ 25°C) | ~190,000 cps (±500) | Solid peelable mask |
| Solids Content | ~60% | — |
| Flash Point | Nonflammable | Nonflammable |
| Weight/Gallon | ~7.2 lbs. | — |
| Shelf Life | 2 years | — |
| Removal | — | Peelable by hand/tweezers |
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