![]() Results after 4 hours - concrete etching CA CA_10.jpg CA_11.jpgįinished product after 5 hours and a quick wire brush by hand. Results after 4 hours - food CA CA_09.jpg Inserted in White Knight concrete etcher ( Citric Acid) CA_07.jpg The recently cut metal is attacked very aggressively with the food CA CA_06.jpg Test piece inserted in food CA CA_05.jpg CA_05 (2).jpg Test pieces cut from wire brushed section CA_04.jpg Original rusted iron bar, wire brushed on RHS CA_02.jpg The first step is to clean off any dirt with water and a sponge. The chip breaker was the worst part, but it was mostly just thick surface rust. The problem with Evapo-Rust is the cost - $25 per litre, or $75 for 5 litres, plus postage, but it is just as effective as the citric acid, but does not etch the clean bare metal, is non toxic and biodegradable - can be used as a hand wash too. Description: CitriSurf 2310 is a high quality blend of chemicals formulated for cleaning, rust removal and passivation of stainless steel products. Step 1: Clean the Parts The rust on this wood plane wasn't too bad. It is made in Cairns and readily available online. I used the same strength for each powder, 100 gm per litre of water. White Knight advise that their concrete etching powder is pure anhydrous citric acid. Took just 5 hours, with a quick brush with a wire brush by hand every hour - amazing result too. I used two products to test, and both gave much the same result - cooking Citric Acid from the supermarket, $3 per 100 grams, and Concrete Etching from Bunnings - $2 per 100 gm. Hi FenceFurniture, thought you might be interested in my test results using two sources of citric acid on a very rusty bar for 5 hoursĪttached are some pics of some citric acid powder in water on rust. This is a follow on from FenceFurnitures original post here.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |