what is the safest and cheapest material to be used foe cleaning stainless steel and aluminum trays used in bakeries?
Put water in tray and leave in hot oven after baking. Clean and use again.
You may using NaOH then hot water because you know that NaOH is frequently used as an industrial cleaning agent where it is often called "caustic". It is added to water, heated, and then used to clean process equipment, storage tanks, etc. It can dissolve grease, oils, fats and protein based deposits. It is also used for cleaning waste discharge pipes under sinks and drains in domestic properties. Surfactants can be added to the NaOH solution in order to stabilize dissolved substances and thus prevent redeposition. A sodium hydroxide soak solution is used as a powerful degreaser on stainless steel and glass bakeware. It is also a common ingredient in oven cleaners. Good luck
It depend on the material of tray, if the tray from stainless steel you may use acid or caustic liquid to cleaning and sanitize. But if tray's material from metal that easy to corrosive you may use more neutral liquid like hot water.
Dear Saifeldin,
How to Clean a Baking Tray That’s Greasy
A mistake many of us make is assuming that a dishwasher will do all the work for us. While these appliances are a welcome addition to any kitchen, they can’t replace the sort of focused cleaning power of washing up manually. When you’re dealing with a greasy baking tray, the best way to clean it is, sadly, to use a bit of elbow grease. How much elbow grease will largely depend on whether your trays are non-stick or not. It’s a good idea to wear rubber gloves when cleaning baking trays to protect your hands from grease and grime.
Using a paper towel, wipe away as much grease as you can from the baking tray. Don’t spend hours trying to get it all off, just remove any big clumps that have accumulated in the corners.
Fill the kitchen sink with hot water, and add a small amount of Persil dishwashing liquid.
Soak the tray for at least one hour, allowing the soap to cut through the remaining oils and grease. If your tray doesn’t fit into the sink completely, you’ll want to turn it over at the one hour mark and allow the other side to soak.
Now’s where the elbow grease comes in. If you’ve got a non-stick tray, use a soft sponge or cloth and wipe away the remaining grease – you should find that it glides off relatively easily. If you’ve not gone for non-stick, then you can use a harder scrubbing technique. Grab a scouring pad and let loose.
Now the moment you’ve been waiting for – pop it in the dishwasher for a final all-over clean.
Once again, you’ll want to begin by using a paper towel to remove anything that’s loose. There’s no point picking and scraping at this point (and it could damage your tray), so just keep it gentle.
Boil some water in the kettle, and pour it into your sink. Add a good cupful of baking soda, and watch as it bubbles up. Pop your tray in, and leave it to soak. Again, about an hour should be long enough for the solution to soften the burnt-on stains.
After an hour, drain the water and use a cloth or sponge to wipe away the now-softened crust. It should come away quite easily as the reaction between the hot water and the baking soda essentially eats away at the coating, breaking it down.
If your tray is too large to fit entirely in the sink, then it’s a good idea to repeat the steps for he other part of the tray.
To make sure your baking tray is as clean as it can be, pop it in the dishwasher for a quick once- over, or wash in the sink with dishwashing liquid.
How to Have Clean Baking Trays all the Time
Lining your baking trays with kitchen foil or baking paper is an excellent way to keep your baking trays clean and hygienic, just be careful when using kitchen foil with acidic foods, as it could make them taste a bit off (tomatoes are the worst offenders). Some people swear by disposable roasting tins, but these aren’t particularly environmentally friendly. You can also buy reusable tray liners from the supermarkets these days, which are very effective.
Key Steps:
Use a paper towel to wipe away excess grease and clumps of burnt-on food.
Fill the sink with hot water and the recommended amount of Persil dishwashing liquid. Read the label for guidelines.
Leave to soak for at least one hour.
https://www.cleanipedia.com/gb/bathroom-kitchen/how-to-clean-baking-trays
Hoping this will be helpful,
Rafik
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