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WonderMASK P Peelable Solder Mask – Temporary, non-ammoniated mask for PCB and conformal coating.

Item Name: WonderMASK P Peelable Solder Mask
Manufacturer: Techspray® / ITW Contamination Control BV
Technologies: Peelable, synthetic acrylic latex, non-ammoniated, nonflammable, low odor, RoHS compliant
Color: Pink (opaque) → Translucent red (cured)
Cure Type: Ambient 1 hr; 30 min @ 65°C / 20 min @ 82°C
Package Size: 8 oz., 1 gallon, 5 gallon, 54 gallon liquid
Shelf Life: 2 years

1. Product Overview

WonderMASK P is a temporary, peelable solder mask made from a thixotropic synthetic acrylic latex. It is non-ammoniated, non-corrosive to copper, gold, and silver, and designed to withstand fluxing, wave soldering, and cleaning operations. When applied, it appears opaque pink and cures to a translucent red, providing a visible cure indicator. The mask is suitable for robotic, pneumatic, hand-applied, or template screening applications and is RoHS compliant.


2. Applications

  • Thru-hole masking to prevent soldering open holes during wave soldering

  • Conformal coating masking to protect connectors or components from coating

  • Temporary component adhesive for tacking components on double-sided PCBs

3. Typical Properties

Before Use / Ready-to-Use

Property Value
Physical State Liquid
Color Pink (translucent red after cure)
Relative Density 1
Viscosity 28,000–30,000 cps
Suggested Thickness 20–30 mils
Thinner DI Water
Shelf Life 2 years

After Application / Cured Mask

Property Value
Cure Time 1 hr ambient; 30 min @65°C; 20 min @82°C
Removal Peel-able
Application Methods Template, hand, pneumatic, robotic
Thermal Resistance Withstands lead-free soldering up to 640°F (343°C)
Safety / Environmental Non-ammoniated, nonflammable, low odor

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