... detecting Different models HT582 etc. Orange ,Green,Blue color etc. Plastic, ceramic material 3X5 cm INFRARED (IR) LASER TEST CARD ... μm. It has characteristics as sensitive response, rich glowing color, high concealing ability and reliability, easy test and long ... Green 530-560nm; Paper, plastic, glass, mental, and ceramic material test cards are available; Specifications, shape, color etc. can be made ...