The SEMA INFRA19 is a covert marker for marking floors with an invisible layer of colourless non hazardous substance. It transfers to the suspects sole of the shoe and provides a long lasting transfer which will fluoresce red under UV light.
Key Features:-
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Colourless, odourless liquid
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Non-Hazardous
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Hard wearing once transferred to the sole of the shoe even after cleaning
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Detection via UV-A illumination
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