The DYKEM® Ultraviolet Marker's invisible, opaque, dye-base ink is only seen when placed directly under a black light. This is great for marking surfaces with information that will not be visible in normal light. The UV marker marks on plastic, glass and nonporous surfaces.
Features:
• Marks on plastic, glass and nonporous surfaces• Excellent for security applications • Detectable by UV light • Drying time: 45 seconds to 1 minute