Midwest Urethane VaporSeal

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SPEC SHEET

Standard Waffle Design

TYPICAL PHYSICAL PROPERTIES

       

Thiothane Waffle Design

TYPICAL PHYSICAL PROPERTIES

Composition

Polyurethane, foamed elastomer compounded for higher strength, abrasion resistance and chemical resistance.

       

Composition

Polyurethane, foamed elastomer compounded for higher strength, abrasion resistance and chemical resistance.

Physical Description

Black, highly resilient elastomer, tapered wiper seal is available in widths 7" to 15", in regular or firm.

       

Physical Description

White, highly resilient elastomer, tapered wiper seal is available in widths 7" to 15", in regular or firm.

Density

Approximately 40 pounds per cubic foot.

       

Density

Approximately 40 pounds per cubic foot.

Compression Deflection

20-22 PSI ASTM D-1056 at 25% compression.

       

Compression Deflection

20-22 PSI ASTM D-1056 at 25% compression.

Hardness

55 Shore A Duramator.

       

Hardness

55 Shore A Duramator.

Ross Flex Test

100,000 cycles at -40F, no sign of failure.

       

Ross Flex Test

100,000 cycles at -40F, no sign of failure.

Tensile Strength

670 PSI ASTM D-412.

       

Tensile Strength

650 PSI ASTM D-412.

Elongation

450% ASTM D-412.

       

Elongation

410% ASTM D-412.

Tear Strength

42 PLI ASTM D-1654.

       

Tear Strength

35 PLI ASTM D-1654.

Temperature Resistance

-40F to 160F continuous operation.

       

Temperature Resistance

-60F to 160F continuous operation.

Ozone Resistance

No cracking after 10 hours at 100 pphm at 40C ASTM D-1149.

       

Ozone Resistance

No cracking after 10 hours at 100 pphm at 40C ASTM D-1149.

Oil Resistance

ASTM oil #1 70 hr. at 158F 0% swell.

       

Oil Resistance

ASTM oil #1 70 hr. at 158F 0% swell.

Typical Application

General gasoline, petroleum, and MTBE products.

       

Typical Application

Mild acids, bases, or alcohols including sour tank crude.

 
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