Impermeable to Air • Outstanding Resistance to Gases & Vapors • Excellent Outdoor Resistances (Heat Aging, Ozone, Oxygen, Sunlight) • Excellent Abrasion & Tearing Resistance

Butyl Sheet Rubber Products

Our Butyl products are impermeable to air and used in many applications requiring airtight rubber. Our Butyl products have outstanding resistance to gases, vapors, heat aging, oxygen, ozone, sunlight, abrasion and tearing. They also exhibit excellent resistance to alkalis and acids and are good for electrical insulation. Made in the USA.

Samples available upon request.

Color: Black

Finish: Smooth

Product Image
Compound Number(s)Part Number(s)
040T00830044226557004422759000442278320044255411
0044256144004425928200442592830044262268
0044262269004426227000442622710044262272
050T00550044223544004422354700442235500044223554
0044225934004422739400442602150044262302
0044262303004426230400442623050044262306
060T00560044224381004422438600442243890044224391
0044224395004422439800442244000044224406
0044224408004426230700442623080044262309
070T00800044226779004422702800442531770044256555
0044258720004426231000442623110044262312
0044262313004426231400442623150044262316
Durometer
Hardness
(Shore A ± 5)
Thickness
inches
Width
inches
Tensile
psi
Ultimate
Elongation
%
Temperature
Range
Estimated Weight
Per Linear Foot
(1/8″ x 36″)
SpecificationsSpecification
Sheets
40
040T0083
1/32 – 1/436, 481015400-40°F to +180°F2.09 lbASTM D 2000
M1AA 407
50
050T0055
1/32 – 1/436, 481100*450*-40°F to +180°F2.2 lbASTM D 2000
M1AA 507
60
060T0056
1/32 – 1/436, 481015300-40°F to +180°F2.24 lbASTM D 2000
M1AA 607
70
070T0080
1/32 – 1/436, 481015200-40°F to +180°F2.3 lbASTM D 2000
M1AA 707
Available
Upon Request

*Physicals are presented in typical values – we certify to the minimum value

Compound Numbers: 040T0083, 050T0055, 060T0056, 070T0080

Unsure on how to read our compound number? Read the page, “How to Read a Compound Number”.

General Information for WARCO Sheet Rubber

Rubber Roll Width

Standard WARCO Sheet rubber rolls are untrimmed and can measure approximately 3” in additional width. Trimmed rolled rubber is provided either 36”, 48” or 55” wide ± 1”

Custom widths are available, please call (714-532-3355) for details.

Standard Minimum Order Quantity

The minimum order quantity for a standard WARCO Sheet rubber is one roll. For custom applications, please call (714-532-3355) for more information.

Rubber Roll Lengths

Standard Roll approximate length ±10%. Products may vary, please see product listing for standard roll lengths.

Sheet Roll Lengths:

  • 1/64″ thick – 180 feet
  • 1/32” thick – 150 feet
  • 1/16” thick – 100 feet
  • 3/32” thick – 65 feet
  • 1/8” thick – 50 feet
  • 3/16” thick – 30 feet
  • 1/4” thick – 25 feet
  • 5/16” thick – 20 feet
  • 3/8” thick – 16.5 feet
  • 1/2” thick – 12.5 feet

Sheet Rubber Thickness Tolerances

Closer tolerances and Custom thicknesses are available and can be priced on request.

WARCO Thickness Tolerance – Standard RMA

  • 0.031” & thinner: ± 0.010″
  • 0.032″ to 0.061″: ± 0.012″
  • 0.062″ to 0.124″: ± 0.016″
  • 0.125″ to 0.186″: ± 0.020″
  • 0.187″ to 0.374″: ± 0.031″
  • 0.375″ to 0.500″: ± 0.047″
  • 0.501″ to 0.750″: ± 0.094″
  • 0.751″ & thicker: ± 10%

Sheet Rubber Finish

Unless otherwise noted, sheet rubber has a standard smooth finish. Textured (fabric) finish and matte finish are available on most materials at an additional cost. Please call for details.

Sheet Rubber Color

The standard color of our sheet rubber is black, unless noted otherwise. Custom colors and color matching is available.

Test Reports

Short form test results, basic physicals, are available upon request at the time of the order. Full test reports for particular specifications will be also quoted on request. This may include certifying the ozone resistance, heat ageing, compliances, and many more aspects of our product. Certifications are sent with your order upon request at no charge.

More information about the WARCO products is available at General Product Information.

Butyl Rubber’s Properties & Uses

Select any of these drop down options to learn more about Butyl Rubber. Our team has organized lists of key properties relating to the rubber products which use the Butyl polymer. We encourage you to select through these lists and advise that you reach out to us directly for any questions so we can direct you to our technical team.

Common Name:
Butyl

Chemical Name:
Isobutylene-isoprene

Generally Resistant To:
Gases, Air, Alkalis, Acids, Water, Weather, Sunlight, Oxidation and Ozone.

Generally Attacked By:
Open Flame, Hydrocarbons, Oil and Gasoline

ASTM D 2000 / SAE J200 Classification:
AA, BA

MIL-R-3065 / SAE J-14 / MIL-STD-417 Classification:
RS

ASTM D-1418 Designation:
IIR

Elongation:
300% to 850%

Hardness Range (Durometer Shore A):
40 to 80

Compression Set:
Fair

Rebound Rating:
Poor

Flex Cracking Resistance:
Good to Excellent

Abrasion Resistance:
Good

Tear Resistance:
Good

Impact Resistance:
Good

Flame Resistance:
Poor

Minimum Service Temperature:
-60°F

Maximum Service Temperature:
+300°F

Recommended Shelf Life:
5 to 10 years

Weather Resistance:
Excellent

Sunlight Resistance:
Excellent

Ozone Resistance:
Excellent

Oxidization Resistance:
Excellent

Water Resistance:
Very Good

Steam Resistance:
Excellent to Outstanding

Gas Permeability:
Good

Radiation Resistance:
Good, 1 x 104 Ga Gy
Fair, 3 x 104 Ga Gy

Acetone:
Recommended: Little to Minor Effect

Amonium Hydroxide:
Recommended: Little to Minor Effect

Animal Fats:
Minor to Moderate Effect

Carbon Dioxide:
Minor to Moderate Effect

Chlorine:
DRY: – – –
WET: Moderate to Severe Effect

Fluorine (Liquid):
Moderate to Severe Effect

Fuel Oil:
NOT RECOMMENDED

Gasoline:
NOT RECOMMENDED

Hydrochloric Acid 37%:
HOT: Moderate to Severe Effect
COLD: RECOMMENDED: Little or Minor Effect

Hydrochloric Acid Concentrate 37%:
HOT: NOT RECOMMENDED
COLD: Minor to Moderate Effect

Kerosene:
NOT RECOMMENDED

Methyl Ethyl Ketone:
RECOMMENDED: Little or Minor Effect

Mineral Oil:
NOT RECOMMENDED

Naptha:
NOT RECOMMENDED