It can be efficiently cut by laser but it recedes slightly during the cut kerf is relatively wide.
Laser cut hdpe plastic.
You could have a hdpe cutting board in your kitchen.
Polyethylene does not readily absorb the energy of a 1 06 micron fiber laser.
Hdpe is cut resistant and milky white in color.
It is used for shrink packaging plastic bags piping bottles large and small containers and toys.
All plastics cut with a smooth clean and burr free edge.
Like most thermoplastics the heat generated while you are cutting it will cause the plastic to melt and fuse together behind the cutting blade.
High density polyethylene hdpe is a versatile fda and usda approved food grade plastic.
Hdpe is similar to candle wax.
As the focussed laser beam slices through the plastic the edge re solidifies immediately after being vaporised and often a glassy edge is the final result.
Laser engraving and laser marking of polyethylene are possible using a co 2 laser.
Molten plastic on the surface each side of the cut can be a problem particularly if the air assist blows it around.
It loves to burn so watch out.
Cutting of polyethylene can be performed with a co 2 laser to produce a clean non discolored cut with a slight raised edge near the point of ablation.
Laser cutting of polyethylene.
However due to the relatively low.