... 13911 , Good heat endurance,permanent flame resistant,no melt drop,good electrical insulation,chemical stability. Model No. ZR-A403 ... good heat endurance ,permanent flame resistant ,no melt drop,good electrical insulation,chemical stability and heat resistant. ... fire retardant performance.PS:Open face or eyehole ColorNatural white, blackSizeOne size fits allStandardEN 13911 Flame Retardant Protective ...