A-PET RIGID GRAPHIC BOARDS A-PET SHEETS - RIGID GRAPHIC BOARD THE COMPLETE RANGE FOR TRANSPARENT AND TRANSLUCENT APPLICATIONS. Kalideck Antalis A-PET - Amorphous Polyethelene Terephthalate sheets, have an excellent light transmittance, of high quality, excellent outdoor durability and rigidity, good chemical resistance, a material widely used in advertising light box, signs, handicrafts, etc. Available in Clear and Opal in various thicknesses, Applications Include: Advertisement; sign boards, logo and mark. Furniture; office furniture, cabinets, bath cabinets. Handicrafts; toys. Suitable for vinyl applications.