Product Information
WonderMASK
®
PX
Fast-Dry Peelable Solder Mask
2222
Introduction
WonderMASK PX is a temporary, peelable, latex solder mask designed to dry in
half the time of standard peelable solder masks. It is hand applied and can
withstand fluxing, wave soldering and cleaning operations. It effectively masks
and protects open through-holes and underside components in a wave soldering
process, and can be used as a conformal coatings mask.
WonderMASK PX can remain on all areas of the board until ready for test, and
then, be easily peeled away. In addition, WonderMASK PX is ideally suited for
situations where a thick coat of mask is required. WonderMASK PX has been
specially formulated to cure homogenously, virtually eliminating any limit on the
deposition thickness.
®
Features / Benefits
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Fast Drying – dries in half the time of standard peelable masks
Ideal for situations where a thick coat of mask is required
Peelable Mask
Able to withstand temperatures up to 650°F / 343°C
Prevents solder from flowing into contacts, terminals, screw heads, and
plated through holes
Mask for conformal coating
Will not tarnish gold or phosphor bronze
Protects delicate components
WonderMASK PX is not recommended for use on bare copper as it contains a
sufficient concentration of ammonia to cause discoloration. For use on bare
copper, WonderMASK PL (part # 2211) is recommended.
140
120
100
80
60
40
20
0
15
Dry Time Comparison
Dry Time (Minutes)*
40
2222
80
Mil Thickness of Mask
Standard Peelable Mask
*Dry time is the time until the mask could be easily removed, in one piece, from the
substrate. Beads of mask were approximately 4 inches in length.
1
Copyright 2013 Techspray.
For Commercial Use Only
Directions
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Apply mask to areas that you do not want soldered
Allow mask to cure (cure time is dependent on thickness of mask applied and environmental
conditions, e.g. temperature, humidity)
Send board onto solder stage (solder pot, wave solder)
Easily peel mask off board
Chemical Properties
For Chemical Composition, refer to MSDS.
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PHYSICAL STATE: Liquid
ODOR: Slight
APPEARANCE: White viscous liquid
pH: 9.5 to 11.0
SOLUBILITY IN WATER: Fully miscible
DENSITY: 1.09 to 1.17 g/mL
VISCOSITY: 9,000 to 16,000 cps
Chemical Components
CHEMICAL NAME
CAS #
Titanium Dioxide……………………………………………….13463-67-7
Application
Hand
Cure Type
Thermal
Cure Time
Removal
Viscosity
Suggested Thickness
15 mils
Thinner
D.I. Water
Peel off.
Dried mask is 9,000-16,000
5 min. Ambient
not soluble in
cps
liquids.
Environmental Policy
Techspray is committed to developing products to ensure a safer and cleaner
environment. We will continue to meet and sustain the regulations of all federal,
state and local government agencies.
®
Packaging and Availability
2222-8SQ
2222-G
8oz Ounce Squeeze Bottle, 24 bottles/cs
1 Gallon in Plastic Jug, 1 jug/cs
Resources
Techspray® products are supported by a global sales, technical and customer
services resources.
For additional technical information on this product or other Techspray® products
in the United States, call the technical sales department at 800-858-4043, email
tsales@techspray.com or visit our web site at:
www.techspray.com.
North America
Techspray
P.O. Box 949
Amarillo, TX 79105
800-858-4043
email: tsales@techspray.com
Europe
ITW Contamination Control BV
Saffierlaan 5
2132 VZ Hoofddorp
The Netherlands
+31 88 1307 400
info@itw-cc.com
Countries Outside US
Call to locate a distributor
in your country.
2
Copyright 2013 Techspray.
For Commercial Use Only
Important Notice to Purchaser/User: The information in this publication is based on tests that we believe are reliable. The
results may vary due to differences in tests type and conditions. We recommend that each user evaluate the product to
determine its suitability for the intended application. Conditions of use are outside our control and vary widely. Techspray’s
only obligation and your only solution is replacement of product that is shown to be defective when you receive it. In no
case will Techspray® be liable for any special, incidental, or consequential damages based on breach of warranty,
negligence or any other theory.
3
Copyright 2013 Techspray.
For Commercial Use Only
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