Solder Masks

Solder Masks

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Solder Masks

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Mask Open Vias for Wave Soldering & Conformal Coating Keep-out Areas

Techspray’s WonderMASK is the industry leading temporary solder mask brand because of quality and versatility. Depending on the product, mask can be peeled off manually or washed off in a batch or inline system.

WonderMASK has several useful applications in PCB assembly:

Thru-hole masking – Prevent soldering open holes in a wave soldering process by covering with WonderMASK. All of the masks listed below are well suited for this application.

Conformal coating masking – In a conformal coating dipping or spraying process, WonderMASK can be used to cover connectors and other components and areas that should not be coated. WonderMASK P and PX are recommended.

Temporary component adhesive – WonderMASK can be used to tack down components on double-sided PCBs.

All Techspray WonderMASK products have the following advantages:

  • Withstands lead-free soldering temperatures up to 640°F (343°C) in wave soldering process
  • RoHS compliant

Click here for Mask selection guide

WonderMASK P Peelable Solder Mask Wondermask P  Peelable Solder Mask
Non-ammoniated, low odor peelable mask
WonderMASK PX Peelable Solder Mask WonderMASK PX Peelable Solder Mask
Natural latex peelable solder mask with fastest cure time
WonderMASK W Washable Solder Mask Wondermask W Washable Solder Mask
Nonflammable, water-washable
WonderMASK WA Washable Solder Mask Wondermask WA Washable Solder Mask
Non-flammable, water washable for robotic and pneumatic application
WonderMASK WSOL Washable Solder Mask Wondermask WSOL Washable Solder Mask
Water-washable mask, safe on ion beds and filters
Techform TC-533 Peelable Solder Mask 	Techform TC-533 Peelable Solder Mask
Natural latex rubber, high-temperature

FAQ's

Does WonderMASK temporary solder mask contain silicone?

None of our masks contain silicone and they leave no residue behind.

Can temporary solder mask be left on the PCB permanently?
Temporary solder mask is intended to be just that – temporary. Manufacturers of solder masks, like Chemtronics, always recommend removing the mask because there is no testing to support doing otherwise. If you decide to leave the solder mask on as a permanent part of the PCB, you will have to do your own functional and reliability testing to ensure it does not cause a problem.
How High of a Temperature Can Temporary Solder Mask Withstand?

Solder mask is engineered to withstand molten solder temperature for the very brief time (about a second) it is exposed in a typical wave soldering process. Most commercially available masks should be able to withstand melting point temperatures of lead-based and lead-free solder, up to 650°F (343°C). As exposure time is lengthened, like in a reflow oven, there is more potential the mask will bubble, char, and become brittle. How long a mask can withstand extreme temperatures depends on the thickness of the bead, and the type of mask.

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