Specifications

The rubber industry relies heavily on precise specifications to ensure the production of high-quality rubber products that meet the diverse needs of various sectors. These specifications encompass a wide range of factors, including raw materials, physical properties, manufacturing processes, and end-product requirements. Establishing and adhering to these specifications is essential for maintaining consistency, safety, and performance across the industry.

Raw material specifications form the foundation of rubber production. Different types of rubber, such as natural rubber and synthetic rubber compounds, require specific chemical compositions, purity levels, and physical properties. The specifications for these raw materials dictate the final characteristics of the rubber, including its flexibility, durability, and resistance to environmental factors like heat, chemicals, and weathering.

Physical properties are a crucial aspect of rubber specifications, encompassing attributes such as tensile strength, elongation, hardness, and tear resistance. These properties determine how the rubber will behave under different conditions and loads, enabling manufacturers to tailor their products to specific applications. For instance, tires require rubber with high tensile strength to withstand the stresses of road contact, while rubber gaskets demand excellent compression set resistance to maintain a proper seal over time.

Manufacturing processes in the rubber industry must adhere to stringent specifications to ensure consistent product quality. Specifications cover parameters such as temperature, pressure, curing time, and mixing ratios during compounding and molding processes. These controls are essential to achieve uniformity in rubber products, whether they are automotive parts, medical devices, or industrial seals. Deviating from these specifications can result in defects, reduced performance, and safety concerns.

End-product specifications define the desired characteristics of the final rubber goods. This can encompass factors like dimensions, color, surface finish, and specific performance attributes. For instance, rubber used in automotive belts must meet precise dimensional specifications to ensure proper fit, while rubber used in consumer electronics may need to exhibit specific electrical properties. Adhering to these specifications guarantees that the rubber products meet customer expectations and perform reliably in their intended applications.

In recent years, environmental sustainability has also become a key consideration in rubber industry specifications. As the demand for eco-friendly products grows, specifications now include requirements for recyclability, biodegradability, and reduced carbon footprint. These specifications drive innovation in rubber manufacturing, encouraging the development of more sustainable materials and processes to align with global environmental goals. In essence, specifications in the rubber industry are the backbone of quality assurance, innovation, and the ability to meet the diverse and evolving needs of modern society.

Custom Formulations to meet the most demanding specifications
Molded Rubber Splicing with the ability to hold very tight tolerances
Rubber to Fabric and Metal Bonding

We are positioned to provide affordable solutions for long or short runs thanks to our flexible molding production capabilities and custom rubber compositions. To fully comprehend their difficulties and offer them specialized solutions, we collaborate closely with our customers. To kickstart your production, we also provide help with tool design.

Common Name:
Molded Slabs (FINISH)

Generally Resistant To:
Moderate Chemicals and Acids, Ozone, Oils, Fats, Greases, and Solvents

ASTM D 2000 / SAE J200 Classification:
BC, BE

Chemical Name:
Polychloroprene

Generally Attacked By:
Esters, Ketones, Chloronated, Aromatic and Nitro Hydrocarbons

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

ASTM D-1418 Designation:
CR

Elongation:
100% to 800%

Hardness Range (Durometer Shore A):
20 to 95

Compression Set:
Good

Abrasion Resistance:
Very Good to Excellent

Impact Resistance:
Good to Excellent

Rebound Rating:
Fair to Very Good

Tear Resistance:
Good

Flame Resistance:
Very Good to Excellent

Flex Cracking Resistance:
Good to Very Good

Minimum Service Temperature:
-30°F to -70°F

Maximum Service Temperature:
+220°F to +280°F

Recommended Shelf Life:
5 to 10 years

Ozone Resistance:
Good

Steam Resistance:
Poor to Good

Weather Resistance:
Poor to Good

Oxidization Resistance:
Good

Gas Permeability:
Fair to Good

Sunlight Resistance:
Good to Very Good

Water Resistance:
Excellent

Radiation Resistance:
Good, 1 x 105 Ga Gy
Poor, 9 x 105 Ga Gy

Acetone:
Minor to Moderate Effect

Amonium Hydroxide:
Recommended: Little to Minor Effect

Animal Fats:
Minor to Moderate Effect

Carbon Dioxide:
Minor to Moderate Effect

Chlorine:
DRY: Moderate to Severe Effect
WET: NOT RECOMMENDED

Fluorine (Liquid):
– – –

Fuel Oil:
Minor to Moderate Effect

Gasoline:
Minor to Moderate Effect

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

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

Kerosene:
Moderate to Severe Effect

Methyl Ethyl Ketone:
NOT RECOMMENDED

Mineral Oil:
Minor to Moderate Effect

Naptha:
Moderate to Severe Effect

Natural Gas:
RECOMMENDED: Little or Minor Effect

Nitric Acid:
Concentrate: Moderate to Severe Effect
Dillute: RECOMMENDED: Little or Minor Effect
Red Fuming: Minor to Moderate Effect

Petroleum:
Below 250: Minor to Moderate Effect
Above 250: NOT RECOMMENDED

Phosphoric Acid:
20%: Minor to Moderate Effect
45%: Minor to Moderate Effect

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: Minor to Moderate Effect
20% Oleum: NOT RECOMMENDED

Toluene:
NOT RECOMMENDED

Transformer Oil:
Minor to Moderate Effect

Vegetable Oils:
Minor to Moderate Effect

Vinegar:
RECOMMENDED: Little or Minor 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 about how to properly store your rubber products.

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