--- title: Prevulcanised Latex Dried Film Properties - Formulated Polymers description: Dried films of the ML range of prevulcanised natural rubber latex grades exhibit a range of high-performance physical properties. image: https://www.polymers.co.uk/hubfs/Prevulcanised%20Latex%20Dried%20Film%20Properties.jpeg --- [![logo](https://www.polymers.co.uk/hs-fs/hubfs/Formulated_Polymers_Theme_Sep2023/Images/Logo/logo.webp?width=252&height=77&name=logo.webp "logo")](https://www.polymers.co.uk/) - [Home ](https://www.polymers.co.uk) - About - [History](https://www.polymers.co.uk/history) - [Meet The Team](https://www.polymers.co.uk/meet-the-team) - [FAQ's](https://www.polymers.co.uk/frequently-asked-questions) - Products - [Carpet and Rug Compounds](https://www.polymers.co.uk/carpet-and-tile-backing-coatings) - [Foam Impregnants](https://www.polymers.co.uk/flame-retardant-foam) - [Natural Latex and Pre-vulcanised](https://www.polymers.co.uk/natural-latex-and-pre-vulcanised) - [Packaging](https://www.polymers.co.uk/packaging) - [Textile](https://www.polymers.co.uk/textile-coatings) - [Upholstery](https://www.polymers.co.uk/upholstery) - [Blinds and Curtains](https://www.polymers.co.uk/blinds-and-curtains) - [Building & Construction](https://www.polymers.co.uk/building-construction) - [Transport](https://www.polymers.co.uk/transport-upholstery) - [Tenting](https://www.polymers.co.uk/tenting) - [Anti-slip Adhesives](https://www.polymers.co.uk/non-slip-coatings-pallet-liners) - [All Our Products](https://www.polymers.co.uk/all-products) - [Blog](https://www.polymers.co.uk/blog) - [Contact Us](https://www.polymers.co.uk/contact-us) - [+44 1706 828208 ](tel:+44%201706%20828208) - [enquiries@polymers.co.uk](mailto:enquiries@polymers.co.uk) # Prevulcanised Latex Dried Film Properties ![banner-image](https://www.polymers.co.uk/hubfs/Formulated_Polymers_Theme_Sep2023/Images/banner-image.webp) ![Prevulcanised Latex Dried Film Properties ](https://www.polymers.co.uk/hubfs/Prevulcanised%20Latex%20Dried%20Film%20Properties.jpeg) ## Prevulcanised Latex Dried Film Properties 6th March 2019 Dried films of the ML range of [prevulcanised natural rubber latex](https://www.polymers.co.uk/) grades exhibit a range of high-performance physical properties. ## [![Request A Quote](https://no-cache.hubspot.com/cta/default/2720861/dbd9120e-d56d-4f77-b563-bf23d7f6dce8.png)](https://cta-redirect.hubspot.com/cta/redirect/2720861/dbd9120e-d56d-4f77-b563-bf23d7f6dce8) ## Transparency Our ML grades contain very low levels of non-rubbers. The highly efficient vulcanisation method used to manufacture them ensures that levels of zinc oxide, sulphur and accelerators are kept to a minimum. These factors, coupled with the simple drying treatment required, ensure the production of highly transparent articles. Transparency is further improved by efficient leaching. ## Physical Properties ML 100 Low and ML 200 medium modulus grades are available. These grades have a tensile strength of approximately 30 Mpa and high extensibility with values in excess of 950%. The low modulus grade has an M700 figure of ca. 8.5 Mpa and the medium modulus grade ca. 10 Mpa. ## Ageing Resistance Leached films of both ML 100 and ML 200 exhibit excellent ageing resistance. The low modulus grade retains ca. 50% of its physical properties after ageing at 70°C for 14 days. The medium modulus grade retains ca. 75%. ## Water Resistance The water resistance of leached ML films is higher than that of most compounded latex films because of the low non-rubber content. Efficient leaching, as with all [latex films](https://www.polymers.co.uk/blog/prevulcanised-natural-rubber-latex), is critical in providing optimum water resistance. 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