PS831 PVC foam ADH. backed, black or grey
With a direct coated, aggressive acrylic pressure sensitive adhesive and a heavy kraft paper release liner.
Closed Cell structure seals out light, air, dust and moisture and resists tearing, when drilled or punctured. Resistant to ultraviolet, most solvents and chemicals. Intrinsically fire resistant.

Product Description                            Test Method                  PS831               PS832

Density(lbs./cu.ft.)                                   ASTM D -1667                  6                 8
Hardness Type A Durometer                       ASTM D -2240                  8                  25
Instantaneous
Force to Compress 25 %(PSI)                    ASTM D -1667                   1                  3.5
Compression Deflection 25 %(PSI)              ASTM D -1667                   1.8                4.0
Instantaneous
Compression Set 30 % (% loss from            ASTM D -1667                   8                   4
Original height)
Water Absorption (% by volume)                 ASTM D -1056                  6                    6
Tensile Strength PSI (die A)                       ASTM D - 412                   22                   30
Elongation (%) (die A)                               ASTM D - 412                  150                  125
Thermal Conductivity (btu -in)(hr.sq.ft.)°F    ASTM D - 518                   .28                  .30
Low Temperature Flexibility                         ASTM D -2136                  ****no cracking****
Recommend Serivce Temperature °F                                                 -40/180        -40/180
Recommend Application Temperature °F                                            50/100         50/100
Fungi Resistance                                                                            ****excellent****
Oxidation Resistance                                                                       ****excellent****
Weather resistance                                                                         ****excellent****

General use

For cushioning and sealing against air and moisture.

Examples of end users

Joint gaskets for Log Home Construction.
Vapoure barrier for Prefab Buildings, HVAC and Refrigeration, Automotive