We strongly recommend that you always opt for cast acrylic.
Consider an acrylic sheet of thickness.
3mm clear lucite cast acrylic sheet 1 8 thick 12x24 inch pack 2 plexiglass sheet perspex sheet 12 x 24 panel plexi glass perspex panel ideal for general purpose household uses diy easy to cut 4 9 out of 5 stars 13.
Metres should have a minimum thickness of 4mm.
As an example if the sheet is up to 1 5 sq.
It is a tradename of lucite international and is polymethyl methacrylate pmma acrylic sheet which is manufactured from methyl methacrylate monomer mma.
Plexiglas g acrylic sheet in thicknesses 0 118 0 236 and 0 472 pass the requirements for flammability per faa far 25 853 appendix f part 1 paragraphs a 1 iv procedure b 5 15 second horizontal test formaly 25 853 b 2.
While acrylic is robust it still needs supporting when used in large sheets so opt for a thicker sheet when in doubt if the dimensions are on the larger side.
How does acrylic compare to other plastics in strength.
Neglecting the thermal contact resistance between the acrylic and the metal substrate determine how long it will take for the insulated back side of the acrylic to reach its softening temperature tsoft 90 degree c.
Consider an acrylic sheet of thickness l 5 mm that is used to coat a hot isothermal metal substrate at th 300 degree c.
Metres 3mm should suffice while anything between 1 5 and 2 sq.
Exact thickness tolerances will vary by manufacturer.
Extruded acrylic extruded acrylic has a more consistent thickness than cast acrylic however it has a limited range of colours and thicknesses.
Perspex is a brand name for acrylic.
For windshields with a sheet width of 1 metre we recommend a sheet thickness of 8 millimetres and for every 50 centimetres that the sheet is wider the sheet must be 1 millimetre thicker.
201 th 5 38 consider an acrylic sheet of thickness l 4 mm that is used to coat a hot isothermal metal substrate at.
A 125 thickness of acrylic is 2 to 3 times more impact resistant than double strength window glass 4 to 5 times more impact resistant than wire glass or other glasses.
These are general guidelines for thickness tolerances on plexiglass acrylic sheets.
A 250 thickness of acrylic is 9 to 10 times more impact resistant than wire or other glasses.