Gray Color, Fire Fighter - Flame Resistant, Machine Embroidery Thread, (#40 Weight, Ref. N1918), 1000 yd Spool by MADEIRA Fire Fighter - Flame Resistant # 40 --- 1000 yds

# 40 --- 1000 yds Spool   (Ref

Size: 1" (25 mm) interior diameter

Make sure the thread thickness is applicable to the size of the needle

* Color: Blue Crystal

Air dry or tumble dry on air or low heat setting

Gray Color, Fire Fighter - Flame Resistant, Machine Embroidery Thread, (#40 Weight, Ref. N1918), 1000 yd Spool by MADEIRA Fire Fighter - Flame Resistant # 40 --- 1000 ydsFire Fighter is a fire resistant embroidery thread that was developed for fire and safety. Applications include aeronautics, utility services, motorsports and other fields where safety standards are required. Fire Fighter flame resistant machine embroidery thread is made from 100% Aramid which contains Nomex branded fibers from Dupont. Madeiras Fire Fighter embroidery thread complies with ISO standards ISO 6941, ISO 15025 and DIN EN ISO 11612 D + E.