Sanding Aluminum Sheet
For bonding aluminum to dissimilar surfaces with different coefficients of thermal expansion consider toughened 737.
Sanding aluminum sheet. Sanding can be done by hand as well as in tandem with power tools such as electric sanders to create the best finishes on these materials. Begin sanding with a medium grit sandpaper and work your way up to finer sandpaper. Always use cotton flannel sheets on tanks and flat surfaces any other surface plain cotton. Sanding aluminum can create oxide dust or a combustible dust cloud that can explode if overheated.
All grades will bond aluminum well. Sanding by hand works well for woodworking and finishing especially for giving surfaces a lighter touch. Sand the sheet metal. Starting off with a 220 grit sandpaper the team works slowly but surely over the aluminum sheet.
You want to use a liquid metal polish i use pro 40 and white diamond those are the 2 that i ve found give the best finish and shine. Combustible dust clouds are difficult to put out with water. Single component epoxies are ideal for bonding aluminum. Consider es550 or es558.
For example a metal worker using a dry dust collector can suffer serious injury while sanding aluminum parts if the collector s steel blower explodes on the dirty side of its filter. After spraying the aluminum with alumicut lubricant they waste no time sanding down the aluminum sheet. While it s possible to sand the aluminum by hand using a sanding machine will make your job incredibly easier. This step in my opinion is the secret the most important of all the steps.
In order to get a mirror finish on your car boat or aluminum panels you re going to need to do some sanding. For very high strength use a metal bonder such as 170 or the original 910.