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).
Select the product you require below to add to your basket.