Mil-Spec Rubber

MIL-SPEC RUBBER: Used for Military and Defense this material is top of the line and is resistant to weather, ozone, electricity, chemicals and the environment. Take a look at our specification grades for more information and details. If a specific mixture is needed, then give us a call and our highly trained and knowledgeable staff will secure the right material for the project.

SPECIFICATION GRADES:

MIL–R–3065 SC (Neoprene) This rubber material is made with a Neoprene base and comes with a smooth finish.

SpecificationDurometer
Hardness
(Shore A ± 5)
Thickness
(inches)
Width
(inches)
Tensile (psi)Ultimate
Elongation (%)
Temperature
Range
Estimated Weight / Linear Ft.
1/8″ x 36″
MinimumMinimum
MIL-R-3065 SC
310 F2
301/32 – 1/436, 481000400-60°F to +220°F2.39 lb
MIL-R-3065 SC
410 F2
401/64 – 1/436, 481500500-60°F to +220°F2.47 lb
MIL-R-3065 SC
515 F2
501/64 – 1/436, 481500420-60°F to +220°F2.61 lb
MIL-R-3065 SC
615 F2
601/64 – 1/436, 481500300-60°F to +220°F2.65 lb
MIL-R-3065 SC
715 F2
701/64 – 1/436, 481500250-60°F to +220°F2.61 lb
MIL-R-3065 SC
815 F2
801/64 – 1/436, 481500100-60°F to +220°F2.61 lb

MIL–R–3065 SB (Nitrile) This rubber material is made with a Nitrile base and comes with a smooth finish.

SpecificationDurometer
Hardness
(Shore A ± 5)
Thickness
(inches)
Width
(inches)
Tensile (psi)Ultimate
Elongation (%)
Temperature
Range
Estimated Weight / Linear Ft.
1/8″ x 36″
MinimumMinimum
MIL-R-3065 SB
410 F2
401/64 – 1/436, 481000450-60°F to +220°F2.22 lb
MIL-R-3065 SB
515 F2
501/64 – 1/436, 481500400-60°F to +220°F2.22 lb
MIL-R-3065 SB
615 F2
601/64 – 1/436, 481500300-60°F to +220°F2.28 lb
MIL-R-3065 SB
715 F2
701/64 – 1/436, 481500250-60°F to +220°F2.35 lb
MIL-R-3065 SB
815 F2
801/64 – 1/436, 481600150-40°F to +220°F2.45 lb

MIL-R-6855 Class 1 Fuel Resistant Nitrile (Buna-N) This rubber material is made with a Nitrile (Buna-N) base that is fuel resistant and comes with a smooth finish.

SpecificationDurometer
Hardness
(Shore A ± 5)
Thickness
(inches)
Width
(inches)
Tensile (psi)Ultimate
Elongation (%)
Temperature
Range
Estimated Weight / Linear Ft.
1/8″ x 36″
TypicalTypical
MIL-R-6855
Class 1 Grade 40
401/64 – 1/436, 481500600-50°F to +220°F2.15 lb
MIL-R-6855
Class 1 Grade 50
501/64 – 1/436, 481800550-50°F to +220°F2.38 lb
MIL-R-6855
Class 1 Grade 60
601/64 – 1/436, 482100500-50°F to +220°F2.42 lb
MIL-R-6855
Class 1 Grade 70
701/64 – 1/436, 482000300-50°F to +220°F2.5 lb
MIL-R-6855
Class 1 Grade 80
801/64 – 1/436, 481800200-50°F to +220°F2.46 lb

MIL-R-6855 Class 2 Oil Resistant Neoprene This rubber material is made with a Neoprene base that is oil resistant and comes with a smooth finish.

SpecificationDurometer
Hardness
(Shore A ± 5)
Thickness
(inches)
Width
(inches)
Tensile (psi)Ultimate
Elongation (%)
Temperature
Range
Estimated Weight / Linear Ft.
1/8″ x 36″
TypicalTypical
MIL-R-6855
Class 2 Grade 30
301/64 – 1/436, 481300550-50°F to +220°F2.36 lb
MIL-R-6855
Class 2 Grade 40
401/64 – 1/436, 481600550-50°F to +220°F2.45 lb
MIL-R-6855
Class 2 Grade 50
501/64 – 1/436, 481600400-50°F to +220°F2.53 lb
MIL-R-6855
Class 2 Grade 60
601/64 – 1/436, 481900350-50°F to +220°F2.69 lb
MIL-R-6855
Class 2 Grade 70
701/64 – 1/436, 481900250-40°F to +220°F2.67 lb
MIL-R-6855
Class 2 Grade 80
801/64 – 1/436, 481650160-40°F to +220°F2.78 lb

MIL–G–1149 This rubber material comes in an assortment of different bases; Neoprene, SBR and Nitrile that offer a variety of different uses depending on the base. This material comes with a smooth finish.

SpecificationDurometer
Hardness
(Shore A ± 5)
Thickness
(inches)
Width
(inches)
Tensile (psi)Ultimate
Elongation (%)
Temperature
Range
Estimated Weight / Linear Ft.
1/8″ x 36″
TypicalTypical
MIL-G-1149 
Type 1 Class 1
Grade 50 Neoprene
501/64 – 1/436, 481000300-30°F to +200°F2.67 lb
MIL-G-1149 
Type 1 Class 2
Grade 50 SBR
501/16 – 1/436, 481300400-40°F to +180°F2.13 lb
MIL-G-1149 
Type 1 Class 5
Grade 50 Nitrile
501/64 – 1/436, 481500550-40°F to +200°F2.32 lb

MIL–R–2765 (Nitrile) This rubber material is made with a Nitrile base and comes with a smooth finish.

SpecificationDurometer
Hardness
(Shore A ± 5)
Thickness
(inches)
Width
(inches)
Tensile (psi)Ultimate
Elongation (%)
Temperature
Range

Estimated Weight / Linear Ft.
1/8″ x 36″

TypicalTypical
MIL-R-2765401/64 – 1/436, 481350500-50°F to +220°F2.24 lb

MIL–R–900 This rubber material comes with a smooth finish and is designed as a rubber gasket material for watertight and airtight closures, in the temperature range of -20°F – 130°F.

SpecificationDurometer
Hardness
(Shore A ± 5)
Thickness
(inches)
Width
(inches)
Tensile (psi)Ultimate
Elongation (%)
Temperature
Range
Estimated Weight / Linear Ft.
1/8″ x 36″
TypicalTypical
MIL-R-900451/64 – 1/436, 481500550-40°F to +180°F2.1 lb

For more information regarding the attributes of each Specification Grade give us a call and our trained and knowledgeable staff will help you find the right fit for the project.

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