Polychloroprene Rubber (CR) — Chloroprene Rubber
Polychloroprene rubber combines oil, weather and flame resistance with good mechanical strength, and is the base polymer of classic contact adhesives. Allzone supplies CR to Canadian adhesive formulators and rubber processors with the grade confirmed against supplier documentation.
At a glance
- Product
- Polychloroprene Rubber (CR)
- Grades
- Chloroprene Rubber
- Typical applications
- Contact adhesives and solvent-based cements · Gaskets, seals, hoses and belting compounds · Wire and cable jacketing and flame-resistant goods
- Packaging
- Packaging confirmed at quotation
- • Certificate of Analysis is provided against the confirmed shipment, grade and batch.
- • Manufacturer TDS and SDS are subject to grade and supplier confirmation and are available on request.
- • Grades, packaging and origin above are indicative sourcing options and are confirmed at quotation.
Available grades from container-direct sourcing
Chloroprene Rubber
Grade and specification confirmed against supplier technical data sheet at quotation.
Typical applications
- Contact adhesives and solvent-based cements
- Gaskets, seals, hoses and belting compounds
- Wire and cable jacketing and flame-resistant goods
- Construction sealants and waterproofing membranes
Why Canadian buyers choose us
- Container-direct sourcing coordinated through our Ontario logistics partner
- Supplier documentation (TDS, SDS, COA) requested and shared before order confirmation
- Specifications confirmed in writing at quotation stage — no assumed values
- LTL and FTL freight across Ontario, Quebec and Western Canada
- Quantities reviewed per enquiry, from smaller lots to full container loads
Typical industries served
Material identity
Polychloroprene rubber (CR) — identifiers and the names buyers use
- CAS
- 9010-98-4
- Polymer family
- Chloroprene rubber — sulphur-modified or mercaptan-modified
- Key commercial variables
- Modification type and crystallisation rate — declared per grade
Also searched as
Abbreviations
Industry terminology
Identifiers are published for material identification. The exact specification of any offered grade is confirmed against supplier documentation at quotation.
Buyer intent coverage
Polychloroprene rubber (CR) — what it is, where it is used, how it is chosen
Polychloroprene is a specialty synthetic rubber bought when a compound has to survive weather, ozone, moderate oil exposure and flame at the same time — a combination that general-purpose rubbers do not deliver. Demand splits between vulcanised technical goods such as gaskets, hoses and marine parts, and contact-adhesive manufacture, where the fast-crystallising adhesive grades are the product being purchased. The modification route is the first thing a buyer has to state, because it changes both processing and cure behaviour.
Primary uses
- Compounding weather- and ozone-resistant technical rubber goods
- Producing contact adhesives and bonding cements
- Manufacturing gaskets, seals and protective boots
- Making wetsuit and marine sponge compounds
Applications
- Industrial gaskets, seals, hoses and expansion joints
- Contact and construction adhesives
- Marine and outdoor rubber components
- Conveyor covers where flame resistance is required
Advantages
- Combines weather, ozone and moderate oil resistance in one polymer
- Inherent flame resistance from the chlorine content, without a separate flame-retardant package
- Adhesive grades give the fast strength build-up that contact bonding depends on
Limitations to consider
- More expensive than general-purpose rubbers, so it is specified rather than substituted
- Some grades crystallise on storage and need controlled warehousing before processing
- Chlorine content raises end-of-life and thermal-decomposition considerations that the compounder must handle
How to choose the right grade
- Define the end system first — bitumen modification, adhesive, compounding or footwear each favour a different structure
- State the required service temperature range and whether the part sees sunlight or ozone
- Confirm the physical form your equipment can feed (porous pellet, crumb, powder or bale)
- Compare declared hardness and styrene or acrylonitrile content before comparing anything else
- Exact specification is confirmed against supplier documentation at quotation.
Typical grades
- Sulphur-modified grade
- Mercaptan-modified grade
- Adhesive grade
- Slow-crystallising grade
- Fast-crystallising grade
- Reference grade names are widely used as shorthand in enquiries. They are treated here as search language only: an equivalent is confirmed by comparing declared datasheet values and by a line trial, and no grade is presented as a drop-in replacement for another.
Comparable materials — how Polychloroprene rubber (CR) sits against alternatives
- EPDM where ozone and weather resistance alone are needed
- Nitrile rubber where oil resistance dominates
- Chlorosulphonated polyethylene for harsher chemical exposure
- Buyers searching for an alternative or second-source supplier should state the incumbent grade and the property they are matching, because a like-for-like comparison depends on the declared datasheet values and on line trials, not on the material name alone.
Comparable-material reference. Grade selection is confirmed at RFQ against your process.
Procurement coverage
How to specify, order and receive Polychloroprene rubber (CR)
Written for procurement, quality and technical buyers in Canada and the United States. No numeric price, MOQ, stock or lead-time value is published — those are confirmed per shipment in the quotation and against the confirmed batch.
How buyers specify at RFQ
- Polymer structure (linear or radial) and declared styrene content
- Hardness and the target modulus of the finished compound
- Physical form and bulk density the feeding system accepts
- Oil extension present or absent
- Service temperature range and weathering exposure
- Regulatory status required for the finished part
Packaging options (industry-standard)
- 25 kg bag — the standard format for small and medium converters
- Octabin or jumbo / FIBC bag for higher-volume moulding and extrusion lines
- Bulk silo truck or rail hopper where the plant has compatible intake and drying
- Packaging options and available pack sizes are confirmed with each quotation.
Storage & handling
- Store sealed, dry and off the floor; moisture pick-up shows up as splay, voids and property loss
- Keep hygroscopic polymers in their original sealed packaging until they go to the dryer
- Rotate stock and record lot numbers against each production run for traceability
Documentation available
- Technical data sheet (TDS) for the exact grade offered, including the declared melt index and density
- Safety data sheet (SDS) in the format required for Canadian import
- Certificate of analysis (COA) against the confirmed production lot
- Food-contact or regulatory declaration where the end use requires it
- Documentation is confirmed per batch at quotation; availability depends on the grade and supplier offered.
RFQ checklist for polychloroprene-rubber-cr-canada
Include these fields to receive an accurate Canada-landed quotation
- Base polymer and the process the material runs on (extrusion, injection, blow moulding, thermoforming)
- Machine type, output rate and the processing temperature window
- End application and whether the finished part is food-contact, potable-water or outdoor
- Annual volume and expected per-shipment quantity
- Packaging format your intake and feeding system can receive
- Documentation required per shipment
- Delivery province or port of discharge
- Compound or system the elastomer goes into and the incumbent grade being matched
- Physical form your mixing or feeding equipment accepts
Technical & procurement detail
Functional role of polychloroprene rubber (cr)+
The chlorine on the polymer backbone gives chloroprene its distinctive balance: resistance to oils and chemicals, inherent flame retardance, ozone and weather resistance, and — in adhesive grades — the fast crystallisation rate that produces immediate bond strength in contact adhesives.
Selecting the right grade+
Adhesive grades and mechanical rubber goods grades are formulated differently, with crystallisation rate, Mooney viscosity and cure system defining behaviour. Whether the material is used in solvent cement, latex or dry compounding determines the grade quoted.
Documentation and specification+
Properties differ between producers and between grades of the same material. Allzone confirms the applicable grade with the supplier before quoting and shares the technical data sheet and safety data sheet for the exact material offered, so the values you evaluate are the values you receive.
Frequently asked questions
Which CR grade is used for contact adhesives?+
Adhesive grades are selected for crystallisation rate and solution behaviour rather than for vulcanised properties. Describe the solvent system, open time and bond strength targets and the matching grade is confirmed with the supplier.
Which grade will I be quoted?+
The grade is set by your specification. Share the target performance, process conditions and any customer or regulatory requirement in the RFQ and the matching grade is confirmed with the supplier before quotation.
What packaging is available?+
Packaging is confirmed with the supplier at quotation for the grade and quantity discussed.
Can you deliver across Ontario and Quebec?+
Yes. LTL and FTL freight is arranged across Ontario, Quebec and Western Canada, with container-direct supply for repeat volumes.
Technical knowledge for Polychloroprene Rubber CR Supplier — Canada
Engineering and purchasing guidance written for this material — understand it, apply it, compare options, specify a grade, and fix production problems.
Application Guides
Comparison Articles
Buying Guides
Related products
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Barium Sulfate
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Need a quote on Polychloroprene Rubber (CR)?
Request pricing, TDS/SDS and available documentation. We usually acknowledge enquiries within one business day; samples are subject to supplier availability and product classification.