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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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Thursday, November 14, 2013

Is There Such a Thing as PVC-Free Plastisol?

Manufacturer: Some of our products are made from PVC plastisol including household gloves. Our customers are now requesting us to switch to non-PVC plastisol. Is there such a thing and what are the main concerns over PVC?

John Woon (Senior Latex Consultant): We have all heard about many markets moving away from all things made from PVC for the following reasons:

1) Generation of chlorine during processing and aging sometimes in the form of HCl which not only corrodes the equipment but is also a health hazard. (The Japanese car companies like Toyota, Nissan and Honda have eliminated PVC in their car interiors since 2007)

2) Carcinogenicity of residual monomer i.e. vinyl chloride.

3) Emission of Dioxins when PVC is burnt or incinerated. Dioxins which are a group of polyhalogenated compounds are considered as toxic environmental pollutants that are health hazards.

4) There is of course the issue with phthalate plasticizers but this is a different problem which I've dealt with earlier in this "Forum".

But is there a possibility of making plastisols without using PVC? The answer is “Yes”. PVC could in fact be replaced with a “core-shell” structured acrylics resin (also in powder form). The price of this acrylic powder could be more expensive but  it can be gelled in shorter time and at lower temperatures than PVC (i.e. less than 120C vs 140C) meaning it would save energy cost for the users.


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Latex Gloves Educational Articles from the Malaysian Rubber Export Promotion Council

How do you select your medical gloves?

Rubber Chemicals: Carcinogenicity, Mutagenicity, Clastogenicity.

Why is Compression Set measurement important?

Assessment of Latex Stability

Joule Effect

Poor Flocking Quality Of Household Gloves

Creaming of Latex

What is Vulcanization?

History of Latex Dipped Products

Applications of Prevulcanized Latex

Defoamer Creating Havoc in Glove Factory

Problems With Milling Rubber Chemicals

Medical Gloves From Guayule Latex

Introduction to SMG Gloves

 

 

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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