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MATERIALS

 
 

Cork Rubber
 

Cork Rubber is a product with unique characteristics and applications in a wide range of industries, notably automotive, electrical equipment, gas, construction, surfacing, industrial equipment, transport and railway industries.

 

Cork Rubber combines the compressibility and recovery characteristics of cork with the flexibility and shelf life of rubber, making it an excellent product for sealing applications.  The materials are manufactured with various binders in a banbury process.  Nitrile and neoprene are common binders used, but special synthetic rubbers like, Silicone can further enhance material performance.

 

As in the past, we would be pleased to assist you in identifying the products that best meets your specifications.  Each of us at Atlantic Gasket look forward to continually delivering you the highest standard of excellence in Cork and Cork Rubber products.

 

Please feel free to call, 1-800-229-8881, if you have any questions or comments.

 
 

Grade

Characteristics and Uses

Specific Gravity

Density
(lbs/cubic ft)
AGID-61

Cork/nitrile blend with high compressibility. Good oil resistance. Offers low swell in fuels and oils. Excellent choice where bolt pressures are low.

Sheet
Roll

.512-.673
.560-.800

32-42
35-50
AGID-71

Cork/nitrile blend with medium compressibility and good oil resistance. Performs well with fuel and oil exposure with medium bolt pressure.

Sheet
Roll

.640-.880
.640 min.

40-55
40 min.
AGID-91

Cork/nitrile blend with low compressibility and good oil resistance. Use with high bolt pressure. Recommended in automotive, fuel pump and meter applications.

Sheet
Roll

.832-1.088
.800-1.040

52-68
50-65
AGOD-71

Cork/neoprene rubber blend with high quality, medium compressibility and good oil resistance. Used in air or refrigeration compressors among other applications.

Sheet
Roll

.784-1.040
.720-.960

49-65
45-60
AGOD-91

Cork/neoprene rubber blend, a firm material with high tensile and tear resistant, low compression set. Excellent heat resistance and moderate swell in fuels and oils.

Sheet
Roll

.880-1.120
.800-1.040

55-70
50-65
AGODB-56

Cork/synthetic rubber blend with medium oil resistance.
Used in most automotive and sealing applications including valve covers, oil pans and transmission pans.

Sheet
Roll

.560-.760
.544 (min)

35-47.5
34 (min)
AGDS66S

Cork/synthetic rubber, economical sheet with good oil and fuel sealing properties, and resistance to environmental deterioration. Used in natural gas meters.

Sheet
Roll

.560-.880
.560-.800

35-55
35-50
AGTQ-61

Nitrile/cork sponge blend with good oil resistance. Very soft material. Conforms well where flange irregularities and low load pressures are present.

Sheet

.400

25(min)
AGTQ-63

Neoprene/cork sponge blend with moderate oil resistance.
Used for oil sealing in low torque applications. Used for die ejection, as well as cushioning for furniture and insulation on windows and doors.

Sheet

.480-.720

30-45

 
AGTQ-85

SBR/cork sponge blend that is highly compressible.
Used for die ejection, noise reduction, matting, cushioning, fatigue and compression mats under equipment and furniture.

Sheet

.560-.800

35-50

 
AGTH-811

Cork/silicone blend, high quality with moderate resistance to fluids. Well suited where operation temperatures are extremely high or low.

Sheet

1.03

68

 

 
 

Atlantic Gasket reserves the right to change product specifications at any time without notice or obligation. Contact your sales representative for current information.

 


STYLE AG247 COMPOSITION CORK
STYLE AG249 COMPOSITION CORK
STYLE MIL-T-6841/AMS-T-6841 CORK RUBBER
     SEALING TAPE
STYLE MIL-C-6183/AMS-C-6183 CORK RUBBER
CORK RUBBER MATERIALS
       
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Durometer
Shore A (pts)

Tensile Strength
(psi) (min)

Compressibility %
(400psi)

Recovery%
(min.)

50-70
50-70

200
174

35-45
30-50

80
80

60-80
50-70

250
200

25-40
30-50

80
80

65-86
65-85

250
300

10-25
15-30

75
80

55-75
55-75

200
250

23-40
25-40

80
80

65-85
65-85

250
250

15-25
15-30

80
75

50-70
N/A

140
135

30-55
34-52

75
80

50-70
50-70

150
150

40-50
30-50

80
80

40-60

50

20-40

80

46-66

100

40-60

75

45-60

175

35-55

80

60-80

285

15-30

75
 

 

 
 
 
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