What is Chloroprene Rubber CAS 9010-98-4?

Chloroprene Rubber is a synthetic elastomer produced by polymerizing chloroprene, with the repeating unit (C4H5Cl)n. It is also known as polychloroprene or CR rubber and is commonly recognized by the trade name Neoprene.

Is Chloroprene Rubber the same as Neoprene?

Yes. Neoprene is the best-known trade name for polychloroprene. The terms chloroprene rubber, CR rubber, polychloroprene, and Neoprene generally refer to the same synthetic rubber family, although individual grades may differ in polymerization type and properties.

Which chloroprene rubber grades are most common?

Common grades include general-purpose, sulfur-modified, slow-crystallizing, precrosslinked, and adhesive-grade chloroprene rubber. General-purpose grades suit molded rubber goods, sulfur-modified grades offer easier breakdown and dynamic performance, and adhesive grades are optimized for solvent-based bonding systems.

Why is Chloroprene Rubber used in solvent-based adhesives?

Selected soluble chloroprene grades dissolve readily in organic solvents and develop fast tack, high cohesion, and good adhesion to rubber, metal, leather, and other substrates. Controlled crystallization also supports bond strength while allowing practical open time during application.

What weather, ozone, and oil resistance does Chloroprene Rubber provide?

Polychloroprene offers good resistance to weather, ozone, and aging, along with moderate to good oil resistance. These balanced properties make it suitable for hoses, belts, seals, gaskets, cable sheathing, and coated fabrics exposed to challenging service conditions.

What physical form and density are typical for Chloroprene Rubber?

It is normally supplied as light-colored solid bales, blocks, or chips with a typical density of about 1.20-1.25 g/cm3. The exact form depends on the selected grade and the supplier's packaging, but solid elastomer bales or chips are standard for compounding and adhesive production.

Chloroprene Rubber (CR) CAS 9010-98-4

Chloroprene Rubber, also called polychloroprene, CR rubber or Neoprene, CAS 9010-98-4, is a general-purpose synthetic elastomer supplied as solid bales or chips and positioned for rubber goods, adhesives, cable sheathing and coated fabrics. Confirm the required grade, then request a quotation with COA/TDS/SDS for bulk supply.

CAS: 9010-98-4
Synonyms: Polychloroprene; CR Rubber; Neoprene
Molecular Formula: (C4H5Cl)n
Grade: Industrial grades
Package: Solid bale or block standard export packaging

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Product Description

Chloroprene Rubber (CR) CAS 9010-98-4 is a synthetic elastomer produced by polymerizing chloroprene, with the repeating unit (C4H5Cl)n.

Synonyms: Polychloroprene; CR Rubber; Neoprene.

CAS: 9010-98-4.

Repeating unit: (C4H5Cl)n.

It is supplied as light-colored solid bales, blocks, or chips.

It is positioned as a general-purpose synthetic elastomer for rubber processing industries.

It is used in industrial rubber products such as hoses, belts, gaskets, seals, and molded rubber parts.

It is widely used in solvent-based adhesives for bonding rubber, metal, leather, and other substrates.

It is used for wire and cable sheathing due to its weather and flame resistance characteristics.

It is used in coated fabrics, conveyor belts, coated textiles, and waterproofing systems.

It offers good resistance to weather, ozone, and aging, along with moderate to good oil resistance.

Confirm the required grade type, such as general-purpose, sulfur-modified, slow-crystallizing, precrosslinked, or adhesive grade.

Check compatibility with the target rubber compound, adhesive formulation, or processing conditions.

Store in a cool, dry, well-ventilated warehouse, away from direct sunlight and heat sources.

Avoid prolonged exposure to high temperatures to prevent premature aging, and keep packaging intact to avoid contamination.

Confirm packaging suitable for the solid bale or block form and order quantity, and follow the current SDS.

Confirm grade, packaging, and specification as required.

The page is an RFQ entry point and does not state stock, price, MOQ, or fixed lead time.

For an RFQ, state the intended application, required grade, quantity, packaging, destination, and document needs.

FAQ - Technical & Supply Chain

Q:
What is Chloroprene Rubber CAS 9010-98-4?

A: Chloroprene Rubber is a synthetic elastomer produced by polymerizing chloroprene, with the repeating unit (C4H5Cl)n. It is also known as polychloroprene or CR rubber and is commonly recognized by the trade name Neoprene.
Q:
Is Chloroprene Rubber the same as Neoprene?

A: Yes. Neoprene is the best-known trade name for polychloroprene. The terms chloroprene rubber, CR rubber, polychloroprene, and Neoprene generally refer to the same synthetic rubber family, although individual grades may differ in polymerization type and properties.
Q:
Which chloroprene rubber grades are most common?

A: Common grades include general-purpose, sulfur-modified, slow-crystallizing, precrosslinked, and adhesive-grade chloroprene rubber. General-purpose grades suit molded rubber goods, sulfur-modified grades offer easier breakdown and dynamic performance, and adhesive grades are optimized for solvent-based bonding systems.
Q:
Why is Chloroprene Rubber used in solvent-based adhesives?

A: Selected soluble chloroprene grades dissolve readily in organic solvents and develop fast tack, high cohesion, and good adhesion to rubber, metal, leather, and other substrates. Controlled crystallization also supports bond strength while allowing practical open time during application.
Q:
What weather, ozone, and oil resistance does Chloroprene Rubber provide?

A: Polychloroprene offers good resistance to weather, ozone, and aging, along with moderate to good oil resistance. These balanced properties make it suitable for hoses, belts, seals, gaskets, cable sheathing, and coated fabrics exposed to challenging service conditions.
Q:
What physical form and density are typical for Chloroprene Rubber?

A: It is normally supplied as light-colored solid bales, blocks, or chips with a typical density of about 1.20-1.25 g/cm3. The exact form depends on the selected grade and the supplier's packaging, but solid elastomer bales or chips are standard for compounding and adhesive production.

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