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JW Latex Consultants (and Rubber Consultants,乳胶顾问) offer solutions to your problems in Natural Rubber latex and Synthetic Rubber latex processing and the manufacturing of latex products (condoms, catheters, medical gloves, baby teats and soothers, toy balloons etc) Quick answers through e-mails are possible at reasonable cost.

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Send Your Enquiry and Orders To: woonsungliang@yahoo.com.sg

Problem Solving Through E-Mails with John Woon Latex Consultants Is Possible
可以通过电子邮件与JW乳胶顾问来解决问题

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Thursday, March 08, 2007

Confusion over the term "Latex"

Manufacturer:My colleagues and I have been thinking about asking this question for a long time. We're all very confused by the word "latex". Shouldn't "latex" apply to all synthetic latexes besides natural rubber latex? We'd very pleased if you could enlighten us.

JohnWoon:This is a good question but in order to answer your question, we have to address the definition of "latex". Very simply, latex is a stable colloidal dispersion of rubber (or polymeric) particles in water (or aqueous medium). Hence, "latex" refers to all latexes (or latices) be it natural rubber or synthetic rubber.

I'm sure everyone in the latex industry (especially those involved in medical glove and condom industries) is aware of the requirement especially in the USA of labeling of all medical devices made from natural rubber latex. You must have come across the following statements:

- "Food and Drug Administration is requiring all medical devices containing latex to be labeled as such and to carry a caution that latex can cause protein allergic reactions..."

- "Caution: This Product Contains Natural Rubber Latex Which May Cause Allergic
Reactions."

- "Allergic reactions have been reported to a wide range of medical devices that contain latex, including latex surgical gloves, adhesive bandages, intravenous catheters…"

Obviously, all the three statements were erroneously written because:

1) latex is a liquid. Therefore a piece of glove or condom cannot possibly contain latex!
2) latex encompasses both natural rubber and synthetic rubber. Therefore it is wrong to say that latex can cause protein allergic reaction.

It would have been more correct to say "This product is made from natural rubber latex" or "This product does not contain natural rubber" or "Natural rubber latex can cause protein allergy"

I hope this would clear your confusion but don't ask me why all the experts in the USA got it all wrong. It is beyond me!


You are at the site for answers and solutions to all your problems in natural rubber latex processing and manufacturing of medical gloves, condoms, catheters, baby teats and baby pacfiers.

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Click on The Following Links to Read More Articles:

[Advantages of Vulcanization] [Applications of PV Latex] [Bacteria and Latex] [Chemical Toxicity] [Cross-Linking Density] [Biodegradability] [Black Articles] [Blooming] [Bouncing Ball] [Compression Set] [Condoms] [Creaming] [Defoamer] [FDA] [Fatty Acid Soaps] [Flame Retardant] [Flocking] [Food Packaging] [Glove Demand] [Glove Selection] [Guayule Latex] [History of Gloves] [Joul Effect] [Latex Stability] [Latex Thread] [Milling Problem] [MREPC Articles] [Nano Polymer Particles] [Nano ZnO] [Polychloroprene] [REACH] [SMG] [Storage Hardening] [Vulcanization] [Vytex] [Yulex]

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