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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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Problem Solving Through E-Mails with John Woon Latex Consultants Is Possible
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Sunday, December 06, 2009

How to keep tensile strength of gloves consistent?


Manufacturer: We are gloves manufacturer. We have had problem of getting consistent tensile strength of our gloves despite using a well maintained and calibrated tensiometer. Besides controlling the cure state of our latex compound and strict process control what else could we do?

John Woon (Senior Latex Consultant): It's very difficult to achieve 100% consistency in tensile properties as long as you are using a post-vulcanisable latex compound since the cure state increases with time with the corresponding increase in modulus and a drop in elongation and tensile strength. You should look into using prevulcanised latex.

Having said this, please ensure the following:

1) The cutter of your test pieces must be very sharp and free from any irregularity and damage to the cutting edges.

2) Gloves must be sufficiently dried and moisture content of the gloves must be consistent. Damp gloves would result in low tensile strength. Leaving the test pieces in a desiccator overnight would be helpful.

3) After drying, the gloves should be "well rested" before testing. The minimum time between vulcanisation and testing should be 16 hours. Depending on the formulation of the latex compound, some gloves continue to vulcanise even at room temperature while in storage.

4) Maintain and control the relative humidity and temperature in the testing room.

5) The gloves should be stored flat to prevent creasing while awaiting testing.


You are at the site for answers and solutions to all your problems in natural rubber latex processing and manufacturing of industrial, household and medical gloves, condoms, catheters, baby teats and baby pacifiers, toy balloons, latex foam products, latex threads etc.

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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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The information and data contained in this site are believed to be accurate and reliable. However it is the responsibility of the visitors and readers to satisfy themselves that the information is workable under their own processing conditions. Hence the owners of this site make no warranties concerning the suitability of the information given in this site.

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