Safety is crucial in fire and heat exposure work areas. FR Garments made of flame-resistant (FR) fabrics provide essential protection, but the seams also play an important role. Workers in industries such as firefighting, oil and gas, and electrical utilities face significant risks from fire and heat exposure. In flame retardant (FR) garment construction, seam integrity is the critical factor that ensures the fabric’s protective properties are not compromised during exposure to fire or arc flash. Even if a fabric is highly flame-resistant, a failure in the sewing thread or seam structure can lead to “seam opening,” allowing heat penetration and direct skin exposure.
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