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Making your chemistry safer, cleaner and faster…

The risk of oil fires and injury from hot oil spills, plus the mess and disposal costs associates with the use of oil, mean that oil bathes are no longer considered safe or environmentally friendly working practice in labs. Heat-On reduces the risks by offering a safe, cost effective and high performance alternative to heating round bottom flasks. For additional safety optional lifting handles can easily be attached and removed allowing the user to remove the block from the heat source even whilst it remains hot.

Manufactured from solid aluminium, Heat-On provides even heat transfer to the entire block, preventing hot spots. The unique deep well shape has been proven to avoid sticking and cracking of flasks maximising the heating surface area further contributing to faster heat-up. Heat-On is available with an innovative Fluoropolymer coating that gives superb chemical resistance to most solvents and alkalis and extends the product life, but if preferred, a standard lower cost anodised finish is also available.

The weight saving design of Heat-On reduces the thermal mass of the block, making heat up times significantly faster. Tests have shown that Heat-On can boil a 250ml flask of water in under 11 minutes making them faster and more efficient than oil bathes or other competitive blocks. As well as providing up to 66% faster heat-up than traditional heating blocks the advanced design of Heat-On blocks uses 30% less energy to achieve the same results, saving money and reducing the environmental impact of your experiments.

For further information on the Heat-On range please contact Radleys now on telephone +44-1799-513320 or email

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