1.1 This standard specifies the requirements for flat methacrylic sheets (FNMA) produced by extrusion and calender roll processes using uncolored or colored grades or transparent, translucent or opaque grades of the materials defined in 3.1. stipulate matters. 1.2 This cheek scale applies to plate thicknesses of 1.5 mm to 12 mm. ……
JIS K 6718-2:2000 history
2015JIS K 6718-1:2015 Plastics -- Poly(methyl methacrylate) sheets -- Types, dimensions and characteristics -- Part 1: Cast sheets
2000JIS K 6718-1:2000 Plastics -- Poly (methyl methacrylate) sheets -- Types, dimensions and characteristics -- Part 1: Cast sheets