GB 8965 Protective Clothing Flame Retardant Testing--Standard Name:

GB 8965: Protective clothing--Flame retardant protective clothing

GB 8965: Protective Clothing - Flame Retardant Clothing

GB 8965 Protective Clothing Flame Retardant Testing--Scope of Application:

Applicable to flame retardant clothing used in environments with open flames, spark emissions, or where flammable substances are present with a flashover risk.

GB 8965 Protective Clothing Flame Retardant Testing--Preconditioning Requirements:

Flame retardant protective clothing or fabrics under this standard shall be washed using a Type A2 automatic washing machine, employing normal agitation for 12.5 hours, rinsed for 8 hours, and air-dried by hanging. During rinsing, change water twice, with 2 minutes of spinning before each water change.

GB 8965 Protective Clothing Flame Retardant Testing--Test Methods:

Fabric test methods are as follows:

Fabric breaking strength is tested according to GB/T 3923.1.

Fabric tear strength is tested according to GB/T 3917.3.

Fabric bursting strength is tested as specified in GB/T 7742.1, with a test area of 7.3 cm2.

Fabric moisture permeability test is conducted according to GB/T 12704.1.

Pilling test for woven fabrics is performed as per GB/T 4802.1, and for knitted fabrics as per GB/T 4802.3.

Fabric air permeability is tested according to GB/T 5433.

Fabric dimensional change rate and relaxation dimensional change rate are determined according to GB/T 8628 and GB/T 8630.

The standard also supplements and revises normative references, some terms and definitions, technical requirements and indices for stitch density, strength requirements for back crotch seams and shoulder seams, number of samples for thermal stability and thermal protective performance testing, inspection rules, labeling, and other content.

GB 8965 Protective Clothing Flame Retardant Testing--Other Related Standards:

NFPA 701: Standard Methods of Fire Tests for Flame Propagation of Textiles and Films

16 CFR 1630: Standard for the Surface Flammability of Carpets and Rugs

16 CFR 1631: Standard for the Surface Flammability of Small Carpets and Rugs

ISO 12952-1: Textiles -- Assessment of the ignitability of bedding items -- Part 1: Ignition source: Smouldering cigarette

ISO 12952-2: Textiles -- Assessment of the ignitability of bedding items -- Part 2: Ignition source: Match-flame equivalent

ISO 6941: Textile fabrics -- Burning behaviour -- Measurement of flame spread properties of vertically oriented specimens