astm d4956 type 8 reflective tape

Type 8 – Highway Signage, Construction Zone Devices, and Traffic Delineators (more commonly used sheeting than type 7)

Type 8 Retro Reflective Sheeting – Super high intensity prismatic retro-reflective sheeting having the highest retro-reflectivity characteristics (along with Type 7) at LONG and medium road distances. (see RA values of Table 2 at 0.1° and 0.2° observation angles) This sheeting is normally an unmetallized air backed micro-prismatic material. Typical applications for this material are permanent traffic signage, construction (work) zone devices, and highway delineators.

Photometrics for Type 8 Sheeting (minimum coefficient of reflection in candelas)

Observation Angle : positive .2 degrees / Entrance Angle : negative .4 degrees

White – 700

Yellow – 525

Orange – 265

Green – 70

Red – 105

Blue – 42

Fluorescent Lime – 560

Fluorescent Orange – 210

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