Blog on the Latest Rubber Topics and Design Technologies

The Coi Rubber Blog is where you’ll learn about molded rubber products and more. Topics include molded part design, elastomer selection, and injection, compression, and transfer molding of custom rubber products for OEMs.

What is Rubber?

Rubber is a polymer which can stretch and shrink. It occurs naturally and can be synthesized as well. We have been using rubber products since ancient times. But during the 19th century it became a highly useful industrial raw product for various purposes.

Types of Rubber

Rubber can be divided into following two types based on its origin –

  • Natural Rubber

  • Synthetic Rubber

There is a wide variety of synthetic rubber available such as EPDM (Ethylene Propylene Diene Monomer) rubber, commercial black rubber, SBR (Styrene butadiene rubber), NBR (nitrile butadiene rubber), IIR (Isobutylene-isoprene) etc.

What is Natural Rubber?

Natural rubber is a natural polymer of organic compound isoprene obtained from the bark of tropical and subtropical trees. The milky white fluid which is obtained from trees is called latex. This is the reason natural rubber is also known as latex. Natural rubber is also called India rubber, Amazonian rubber and caucho. Leading producers of natural rubber are Thailand and Indonesia.

Monomer Unit of Natural Rubber – 2-methyl 1,3-butadiene (it is also called isoprene)

Structure of Natural Rubber – It is called polyisoprene or cis-1,4-polyisoprene. Its structure is given below –

Preparation of Natural Rubber

Natural rubber or rubber latex is directly collected from plants. Then it is processed for common use by various methods. It is a polymer of 2-methyl 1,3-butadiene (or isoprene). It was all about rubber, if you are looking for study material of chemistry then register yourself on Vedantu or download Vedantu learning app for class 6-10, IITJEE and NEET. By doing so you can get access to free PDFs of NCERT Solutions of Chemistry, Mock tests, Revision notes etc.

Rubber Trade Show

Rubber Trade Shows in United States Rubber Trade Shows in United States. Calendar Rubber Trade Shows in major cities of United States Trade shows of Rubber in United States Calendar Rubber Trade Shows in United States International Elastomer Conference – International Rubber & Advanced Materials In Healthcare Expo 2022 From 10 to 13 October 2022 Knoxville Expo Center […]

KPMG Automotive Related Rubber – COI Review

KPMG Automotive Related Rubber – COI Review Want and edge when it comes to Automotive related to rubber?  Attached is the latest installment of our Monthly Automotive Health Monitor, which provides an overview of ongoing trends and news in the industry. Notable insights from this installment are as follows: Automotive OEMs (e.g., GM) as well […]

Rubber and Plastic Containers imported to USA

Rubber and Plastic Containers imported to USA Want the latest information on how the global supply chain works?  Well the below should give you some insight on rubber and plastic containers imported to USA.  This is for the 2021 calendar year.  We hope you find this data helpful. We pride ourselves to not only be […]

Rubber and Plastic News – US Minority Rubber Manufacture

Their Journey: Diversity breeds success for Coi Rubber minority rubber manufacture CITY OF INDUSTRY, Calif.—Coi Rubber Products Inc. is a minority rubber manufacture; rubber goods supplier that has used diversity to its advantage. The firm is a certified minority-owned supplier where most of its work force also comprises minorities. This has helped open doors for […]

Transfer Molded Rubber Parts Market Share

Transfer Molded Rubber Parts Market Share and SWOT Analysis: Stern Rubber Company, Qualiform, MES, REDCO By Exltech January 25, 2021 parts-market-share-and-swot-analysis-stern-rubber-companyqualiform- mes-redco/> Market Growth Insight has presented updated research report on ‘Transfer Molded Rubber Parts Market’ , offering insightful information like market share, market size, and growth rate during the forecast period 2020 – […]

Can rubber conduct electricity?

A common question people ask is: can rubber conduct electricity? The answer depends on the material that is being used. If the rubber material does not contain any conducting electrons, then it will not conduct electricity. Rubber is known to be an insulator because rubber can limit the transfer of electricity. The rubber properties prevent […]

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How To: Get a Quote for Rubber

Not all purchasing professionals are aware of the component information required by a rubber manufacturer to quote a rubber project. Occasionally, missing information in a Request for Quote may delay generation of the quotes or hiccups during the pre-production process. On the other hand, excessive requirements may drive up cost on a project or, in […]

Neoprene vs Natural Rubber in Applications

Neoprene vs natural rubber Neoprene vs natural rubber is a topic that often appears when comparing two types of rubber. NBR is more popular compared to natural rubber when it comes to gaskets because of its unique characteristics. Neoprene is also found to be common in other applications such as wetsuits, laptop sleeves, and wrist […]

Natural Rubber vs Synthetic Rubber

What are the differences between natural rubber vs synthetic rubber? Natural rubber is produced naturally from the native Brazilian plant Hevea brasiliensis. Synthetic rubber is artificially produced from a variety of polymers which provides the rubber its properties. The most commonly referred to synthetic rubber is synthetic polyisoprene (abbreviated IR), created as a synthetic alternative to […]

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