company tower banner
Mask-Off Company Company Logo
Protex 20S is a 20 mil latex saturated paper designed for applications where extra protection is needed, and high tack is required. Protex 20S has proven to be excellent in protecting graphite composite surfaces and tooling from impact damage that may result in possible interlayer fracturing.

Product Type: Masking Tape

Compatible Substrates & Surfaces: Composites, Graphite, Metal, Steel

Features: Good Adhesion, Tacky

Technical Data Sheet
  • TypeDocument Name
View All Documents

Knowde Enhanced TDS

Identification & Functionality

Backing Material Type
Product Type
Liner

Flat

Features & Benefits

Ready-to-Use Product Features

Applications & Uses

Compatible Substrates & Surfaces
Uses

Protex 20S is also used for movie studio backdrops, cover-ups and painting of sets. It can withstand 60 lbs. of sandblasting pressure for decorative applications e.g., glass etching, and light sandblasting. This product is not intended for fly-away applications. Test prior to use on copper, brass or anodized aluminum or before outdoor exposure.

Properties

Typical Properties
ValueUnitsTest Method / Conditions
Basis Weight175 - 187lbs./3,000 sq. ft.
Elmendorf Tear (C.D.)min. 360grams
Elmendorf Tear (M.D.)min. 280grams
Elongation (M.D.)min. 10%
Tensile Strength (M.D.)min. 25lbs./inch
Thickness19 - 23mils
Adhesive Properties
ValueUnitsTest Method / Conditions
Adhesion to Steel44 - 50 (-8/+9)lbs./in. width
BaseNatural Latex
PSTC-1 (Modified)Silicone Free

Storage & Handling

Storage

 Shelf life is 1 year if stored in a cool dry place, ut of direct sunlight.