Zirconia alumina is proper for wood metal painted surfaces and fiberglass.
Best sandpaper for wood.
Fine sandpaper 180 grit or higher is ideal for creating a silky smooth finish on wood.
For example 60 grit sandpaper is the roughest sandpaper typically used on wood.
Use it for extremely rough surfaces when wood has dips gouges splinters or loose fibers.
The abrasive particles break during use providing new edges for removing material but garnet sandpaper wears quickly.
Emery works for both hand sanding and power sanding metal.
Apply it on wood metal and plastic for tasks.
Primary sanding of rough wood and the removal of planning marks on wood is often best done with medium grit.
They feature mid to low grit numbers.
For getting the best results you have to sand with the grain and go through a number of sequences in terms of grits.
If you are sanding critical flat surfaces by hand you should always use a flat block to back the sandpaper.
There is one advice when you are up to working with this sandpaper.
It works well on raw wood removing light scratches and preparing the surface for finishing.
Typically the only times to start with coarser sandpaper 80 or 100 grit are on boards with deep scratches or gouges or uneven joints after gluing.
Macro grit sandpaper macro grits are a class of abrasives that range from medium to coarse sandpaper calibers.
Ceramic alumina performs well in discs as well belts for power sanding.
Silicon carbide sandpaper excludes element more swiftly than aluminum oxide but does not last as long.
If the block is hard wood for example it s best to have some sort of softer material such as cork glued to the bottom to improve the performance of the sandpaper.
Medium sandpaper ranging from 60 to 100 grit accommodates some final shaping.
Macro grit sized sandpapers are commonly used on tougher wood and metals and have a stronger clearance.
100 150 and 220 for example.
When determining which grit best follows the one just used remember that the next grit should be no more than about 50 percent higher than the one before it.
Garnet is good for hand sanding.