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blkrndsqu_w.gif (7051 bytes)  Everlastic® MPP 100 Proplastic  new4.gif (6624 bytes)


Isotropic Polyolefin Resilient Molded Foam
White in color


Everlastic® MPP 100 Proplastic used with hot or cold applied sealants; Horizontal applications, place Everlastic® MPP 100 Proplastic next to forms; all interrupting columns and objects; adjacent to abutting structures prior to concrete placement.  Vertical applications include  Everlastic® MPP 100 Proplastic placement between panels, panel to column joints or in block wall joints prior to sealing.  Everlastic® MPP 100 Proplastic will also conform to many other uses.

Standard Thickness: 3", 6" (Other sizes skived or laminated).
Widths from 1" to 48".
Self-Stick Pressure Sensitive Adhesive Optional.
Sheet Lengths: 9 LF


Typical Physical Properties
Property Test Method Typical Values
Density (Nominal) ASTM D-3575 1 PCF
Tear Strength ASTM D-3575 6 PSI
Compression Strength

25% Deflection

50% Deflection

  9 PSI

15 PSI

Compression Set  % @ 25% ASTM D-3575 8%
Compression Set % @ 50% ASTM D-3575 25%
Tensile Strength CM ASTM D-3575 28 PSI
Water Absorption

(lb./sf of cut surface)

ASTM D-3575 <0.05
K Factor ASTM C-177 0.24
Service Temperature



PPP C-1752 -65°F


Thermal Stability

(Change after 24 hrs.@ 158°F)

ASTM D-3575 <0.6
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Phone:  Toll Free 800-521-9594    or      248-643-6400
Fax: 248-643-7117
Rubber, Neoprene, Foam, Gasket, Seal, Construction. To the best of our knowledge this published information is accurate, however, to determine suitability of material/product for a specific application is the user's responsibility.  Williams Products, Inc. shall not be liable for any loss or damage resulting from inappropriate usage.
Everlastic® is a registered trademark of Williams Products. All other products mentioned are registered trademarks or trademarks of their respective companies.
Contact Williams Products: Phone: 800-521-9594 or 248-643-6400 or Email:  Contact Information