Superior Dynamic Properties (Resilience, Tensile, Elongation) • Excellent Abrasion Resistance • Excellent Fabric & Metals Adhesion

Natural Rubber Solutions

Our natural rubber sheet products combine exceptional physical properties with the inherent advantages of a naturally derived material. Natural rubber offers superior resilience, tensile strength, and excellent adhesion to fabrics and metals. Learn about the natural rubber advantages, its unique properties, and how it may differ from synthetic alternatives.

Select any of these drop down options to learn more about Natural Rubber. Our team has organized lists of key properties relating to the rubber products which use the natural 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.

General Information

Common Name:
Natural Rubber

Generally Resistant To:
Abrasion, Flex-Cracking, Impact, Water, and Staining

ASTM D 2000 / SAE J200 Classification:
AA

Chemical Name:
Polyisoprene

Generally Attacked By:
Solvents, Flame, Weather, Ozone, and Sunlight

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

ASTM D-1418 Designation:
NR

Elongation:
500% to 900%

Hardness Range (Durometer Shore A):
30 to 85

Compression Set:
Excellent

Abrasion Resistance:
Excellent

Impact Resistance:
Excellent

Resiliance Rating:
Cold: Excellent
Hot: Excellent

Tear Resistance:
Very Good

Flame Resistance:
Poor

Flex Cracking Resistance:
Excellent

Minimum Service Temperature:
-70°F

Maximum Service Temperature:
+180°F

Recommended Shelf Life:
3 years

Ozone Resistance:
Poor

Steam Resistance:
Fair to Good

Weather Resistance:
Poor to Fair

Oxidization Resistance:
Good

Gas Permeability:
Fair to Good

Sunlight Resistance:
Poor

Water Resistance:
Very Good

Radiation Resistance:
Fair to Good

Acetone:
Minor to Moderate Effect

Amonium Hydroxide:
NOT RECOMMENDED

Animal Fats:
NOT RECOMMENDED

Carbon Dioxide:
Minor to Moderate Effect

Chlorine:
DRY: NOT RECOMMENDED
WET: NOT RECOMMENDED

Fluorine (Liquid):
– – –

Fuel Oil:
NOT RECOMMENDED

Gasoline:
NOT RECOMMENDED

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

Hydrochloric Acid Concentrate 37%:
HOT: NOT RECOMMENDED
COLD: NOT RECOMMENDED

Kerosene:
NOT RECOMMENDED

Methyl Ethyl Ketone:
NOT RECOMMENDED

Mineral Oil:
NOT RECOMMENDED

Naptha:
NOT RECOMMENDED

Natural Gas:
Moderate to Severe Effect

Nitric Acid:
Concentrate: NOT RECOMMENDED
Dillute: NOT RECOMMENDED
Red Fuming: NOT RECOMMENDED

Petroleum:
Below 250: NOT RECOMMENDED
Above 250: NOT RECOMMENDED

Phosphoric Acid:
20%: Minor to Moderate Effect
45%: NOT RECOMMENDED

Propane:
NOT RECOMMENDED

Salt Water:
RECOMMENDED: Little or Minor Effect

Skydrol:
Skydrol 500: NOT RECOMMENDED
Skydrol 7000: NOT RECOMMENDED

Sodium Hydroxide:
RECOMMENDED: Little or Minor Effect

Sulfuric Acid:
Concentrate: NOT RECOMMENDED
Dillute: Moderate to Severe Effect
20% Oleum: NOT RECOMMENDED

Toluene:
NOT RECOMMENDED

Transformer Oil:
NOT RECOMMENDED

Vegetable Oils:
NOT RECOMMENDED

Vinegar:
Minor to Moderate Effect

  • Actual shelf life could vary dramatically based on storage conditions
  • Store in a cool, dry place with temperature below 75°F
  • Keep away from direct heat or open flames
  • Avoid contact with solvents or other fluids
  • Do not store in direct sunlight
  • Keep products wrapped or sealed to minimize the absorption of moisture
  • Store in a relaxed condition free from tension, compression or other deformation

See Rubber Storage Conditions for more information on how to properly store your rubber products

Natural Rubber Products

  • Superior Resilience & Tensile Strength: Provides excellent elasticity and recovery.
  • Excellent Abrasion Resistance: Enhances product durability in demanding environments.
  • Outstanding Adhesion: Offers strong bonding with fabrics and metals.
  • Flexible at Low Temperatures: Maintains performance in colder conditions.
  • High Elongation & Compression Set: Ensures effective energy absorption and shock resistance.

Our Natural Rubber Products are available below in Standard Grades or as a specialty product.
Each product can be customized to meet your application, such as meeting your specifications, physical properties, & various material aspects.

Applications of Natural Rubber

  • Automotive gaskets and seals
  • Industrial belts, and vibration dampers
  • Construction components
  • Conveyor systems and machine mounts
  • Custom molded components in various industries
  • General industrial applications requiring reliable, dynamic performance

Standard Grade Natural Rubber

Pure Gum Floating Natural Rubber

Durometer: 40 Temperature Range: -40°F to +160°F
Specs: ASTM D 2000 1AA, FDA Approved Ingredients per 21 CFR 177.2600

EZ Cut Non–Floating Gum Natural Rubber

Durometer: 40 Temperature Range: -40°F to +160°F
Specs: ASTM D 2000 1AA, FDA Approved Ingredients per 21 CFR 177.2600

Specialty Natural Rubber

Protein Free (Synthetic Polyisoprene) Natural Rubber

Durometer: 40 Temperature Range: -40°F to +160°F
Specs: ASTM D2000 1AA, FDA Approved Ingredients per 21 CFR 177.2600

Natural Rubber (Black)

Durometer: 40 to 60 Temperature Range: -40°F to +160°F
Specs: ASTM D2000 M1AA

Tuff–Stuff® Natural Rubber

Durometer: 40 Temperature Range: -40°F to +160°F
Specs: ASTM D2000 M4AA

Compound Number, Durometer and Material Type
030R0703 – 30 Durometer Natural Rubber 030R0802 – 30 Durometer Natural Rubber 035R0717 – 35 Durometer Natural Rubber 035R0751 – 35 Durometer Natural Rubber 040R0705 – 40 Durometer Natural Rubber
040R0707 – 40 Durometer Natural Rubber 040R0709 – 40 Durometer Natural Rubber 040R0712 – 40 Durometer Natural Rubber 040R0713 – 40 Durometer Natural Rubber 040R0721 – 40 Durometer Natural Rubber
040R0725 – 40 Durometer Natural Rubber 040R0727 – 40 Durometer Natural Rubber 040R0729 – 40 Durometer Natural Rubber 040R0740 – 40 Durometer Natural Rubber 040R0745 – 40 Durometer Natural Rubber
040R0748 – 40 Durometer Natural Rubber 040R0749 – 40 Durometer Natural Rubber 040R0750 – 40 Durometer Natural Rubber 040R0752 – 40 Durometer Natural Rubber 040R0753 – 40 Durometer Natural Rubber
040R0754 – 40 Durometer Natural Rubber 040R0759 – 40 Durometer Natural Rubber 040R0764 – 40 Durometer Natural Rubber 040R0765 – 40 Durometer Natural Rubber 040R0768 – 40 Durometer Natural Rubber
040R0771 – 40 Durometer Natural Rubber 040R0773 – 40 Durometer Natural Rubber 040R0774 – 40 Durometer Natural Rubber 040R0781 – 40 Durometer Natural Rubber 040R0783 – 40 Durometer Natural Rubber
040R0784 – 40 Durometer Natural Rubber 040R0785 – 40 Durometer Natural Rubber 040R0789 – 40 Durometer Natural Rubber 040R0794 – 40 Durometer Natural Rubber 040R0795 – 40 Durometer Natural Rubber
040R0796 – 40 Durometer Natural Rubber 040R0797 – 40 Durometer Natural Rubber 040R0798 – 40 Durometer Natural Rubber 040R0799 – 40 Durometer Natural Rubber 040R0800 – 40 Durometer Natural Rubber
040R0803 – 40 Durometer Natural Rubber 040R0804 – 40 Durometer Natural Rubber 040R0807 – 40 Durometer Natural Rubber 040R0808 – 40 Durometer Natural Rubber 040R0809 – 40 Durometer Natural Rubber
040R0810 – 40 Durometer Natural Rubber 040R0811 – 40 Durometer Natural Rubber 040R0812 – 40 Durometer Natural Rubber 040R0813 – 40 Durometer Natural Rubber 040R0815 – 40 Durometer Natural Rubber
040R0816 – 40 Durometer Natural Rubber 040R0820 – 40 Durometer Natural Rubber 040R0821 – 40 Durometer Natural Rubber 040R0828 – 40 Durometer Natural Rubber 042R0806 – 42 Durometer Natural Rubber
042R0818 – 42 Durometer Natural Rubber 045R0726 – 45 Durometer Natural Rubber 045R0786 – 45 Durometer Natural Rubber 045R0792 – 45 Durometer Natural Rubber 045R0829 – 45 Durometer Natural Rubber
050R0718 – 50 Durometer Natural Rubber 050R0722 – 50 Durometer Natural Rubber 050R0724 – 50 Durometer Natural Rubber 050R0728 – 50 Durometer Natural Rubber 050R0732 – 50 Durometer Natural Rubber
050R0733 – 50 Durometer Natural Rubber 050R0736 – 50 Durometer Natural Rubber 050R0737 – 50 Durometer Natural Rubber 050R0738 – 50 Durometer Natural Rubber 050R0741 – 50 Durometer Natural Rubber
050R0758 – 50 Durometer Natural Rubber 050R0761 – 50 Durometer Natural Rubber 050R0766 – 50 Durometer Natural Rubber 050R0769 – 50 Durometer Natural Rubber 050R0770 – 50 Durometer Natural Rubber
050R0772 – 50 Durometer Natural Rubber 050R0775 – 50 Durometer Natural Rubber 050R0782 – 50 Durometer Natural Rubber 050R0790 – 50 Durometer Natural Rubber 055R0723 – 55 Durometer Natural Rubber
055R0767 – 55 Durometer Natural Rubber 055R0827 – 55 Durometer Natural Rubber 060R0730 – 60 Durometer Natural Rubber 060R0735 – 60 Durometer Natural Rubber 060R0739 – 60 Durometer Natural Rubber
060R0742 – 60 Durometer Natural Rubber 060R0743 – 60 Durometer Natural Rubber 060R0755 – 60 Durometer Natural Rubber 060R0762 – 60 Durometer Natural Rubber 060R0763 – 60 Durometer Natural Rubber
060R0780 – 60 Durometer Natural Rubber 065R0731 – 65 Durometer Natural Rubber 065R0744 – 65 Durometer Natural Rubber 065R0746 – 65 Durometer Natural Rubber 065R0756 – 65 Durometer Natural Rubber
065R0760 – 65 Durometer Natural Rubber 065R0779 – 65 Durometer Natural Rubber 070R0710 – 70 Durometer Natural Rubber 070R0714 – 70 Durometer Natural Rubber 070R0715 – 70 Durometer Natural Rubber
070R0716 – 70 Durometer Natural Rubber 070R0720 – 70 Durometer Natural Rubber 070R0747 – 70 Durometer Natural Rubber 070R0757 – 70 Durometer Natural Rubber 070R0776 – 70 Durometer Natural Rubber
070R0777 – 70 Durometer Natural Rubber 070R0787 – 70 Durometer Natural Rubber 070R0791 – 70 Durometer Natural Rubber 070R0793 – 70 Durometer Natural Rubber 070R0801 – 70 Durometer Natural Rubber
070R0814 – 70 Durometer Natural Rubber 070R0817 – 70 Durometer Natural Rubber 072R0788 – 72 Durometer Natural Rubber 080R0734 – 80 Durometer Natural Rubber 082R0778 – 82 Durometer Natural Rubber
085R0704 – 85 Durometer Natural Rubber 085R0706 – 85 Durometer Natural Rubber 085R0708 – 85 Durometer Natural Rubber 085R0711 – 85 Durometer Natural Rubber

Data presented here was gathered from several sources including Uniroyal Chemical Company, Inc., The Los Angeles Rubber Group, Inc., and Compass Publication

Our rubber products are a proprietary blend of various polymers formulated to meet stated physicals and specifications. The named product polymer is not necessarily the primary polymer representing the highest percentage of the polymer blend. Determination of the suitability of the goods for the uses and applications contemplated by Buyer and others shall be the sole responsibility of the Buyer or user. No guaranty is given with respect to length of service on any particular application. Suggestions or recommendations made by Seller in its product literature concerning uses or applications of the goods are believed to be reliable, but Seller makes no warranty or guaranty of results to be obtained since the conditions of the use and application by Buyer and others are beyond Seller’s control.

View complete Terms & Conditions of Sale for suitability of use and formulations