Description
Mactac MACmask CM8400 Matte Transparent Vinyl
Product
MACmask 84.817
Product Description
MACmask 84.817 is a 3.2-mil soft, gray, matte transparent vinyl film coated on one side with a low
bonding, rubber based, pressure sensitive adhesive with an 83# white kraft release liner. The adhesive is
designed for stenciling on just about all flat smooth surfaces. It can also be used on canvas and other
flexible face stocks to mask large areas cost effectively and provide easy removability. Additional features
include, clean, quick, trouble free cutting with most plotters. Fast, easy weeding and a textured surface
to help reduce over spray problems. The matte transparent film allows for quick, easy positioning.
Stock Number
CM8448 48 x 164 ft. (1.23 m x 50 m)
Physical Properties
Property Typical Values Test Method
Thickness, inches (µm)
Film plus adhesive 0.0035 (88.8)
ASTM D-645
Peel Adhesion
lb/in. (N/25mm)
68°F on Stainless Steel
– 30 min
– 1 week
0.60 (2.5)
1.00 (4.4)
ASTM D-903
Face Material Data
Tensile strength lb./in. (N/15
mm)
Elongation %
13.0 (34)
200
ASTM D-882
Dimensional Stability, inches
(mm)
48 hours @ 140°F (70°C) 0.06 (1.52)
Bonded to aluminum
Temperature Range
Application:
End Use:
50° to 104°F (+10° to +40°C)
50° to 140°F (+10° to +60°C)
Values given are typical and are not necessarily for use in specification.
Shelf Life
Two years when stored between 55° to 78°F (15° to 25°C) and 40%-50% relative humidity in its
original package.
Recommendations
Removability will vary from surface to surface. Removal at slow speeds and at a 90° angle
provides the best result from most surfaces. The above suggestions should be followed with
air-dry paint systems. For those requiring heat to dry, removal of the mask while still warm is
best. Bake temperatures above 140°F (60°C) are not recommended. Solvent compositions of
paints vary. Compatibility with MACmask should be evaluated prior to use. Improper removal
of paint solvents may degrade adhesive performance. It is critical that recommended drying
procedures for each paint be followed. In all cases, we recommend the mask be removed
within four hours maximum, following application to the substrate.
CM8424
CM8448
CM8460
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