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AS/NZS 1906.4.2010 Retroreflective materials and devices for road traffic control purposes – Part 4: High-visibility materials for safety garments

Retroreflective Material

Class R Retroreflective material is applied to workwear garments in the form of high-visibility reflective tape. This material reflects direct artificial light sources – such as car headlights – back to the viewer. This fabric type is essential for night-time garments.

AS/NZS 4602.1.2011 High-visibility safety garments – Part 1: Garment for high risk applications

Night Use

Class N garments are designed for night time use only, where natural light is replaced by artificial light

*       sources such as the fluorescent lights of a warehouse or the headlights of a car.

For this reason, unlike Class D garments, Class N garments do not have a specified high-visibility material requirement such as white, pink and sky blue fabrics. Night garments instead rely on retroreflective material in the form of high-visibility reflective tape, to respond to artificial light and create enhanced visibility.

It is essential for night worn garments to have an adequate amount of reflective tape placed on positions of the body that are most visible. The standard outlines five exact tape configurations to the millimeter, which will ensure maximum visibility. Theses configurations are commonly referred to as ‘biomotion’, ‘double hoop’, ‘H-pattern’ (back and front) and ‘X-back’ patterns.

Due to lack of Class F or Class NF fluorescent material these garments are not suitable to be used during the day.

*Class N only applicable when worn with a compliant shirt