Underthread

Fire Retardant Underthread

To ensure embroidery passes a fire resistance test, the bobbin thread should be of the same composition. Manufactured with Trevira CS fibre.

PF72 Flame Retardant Underthread

For extra resistance use this 100% spun polyester product, with a thread count of dTex 145x2 (Nm 70/2). 

 


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