What is the ASTM # for the Pencil Hardness Test?
The pencil hardness test method is ASTM D3363 (Film Hardness by Pencil Test). The hardness of ACRYLITE® Acrylic Sheet products is as follows:
|ACRYLITE® cast (GP)||3H|
|ACRYLITE® extruded (FF)||3H|
|ACRYLITE® non-glare P99||4H|
|ACRYLITE® Optical mar-resistant (coated side)||5H|