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Grey WELS2 is a flame retardant fabric for welding, resists continuous temperatures of 300ºC and peak temperatures of 900ºC. It is a fabric composed by fiberglass, which adds mechanical resistance and flexibility, with a silicone coating for high temperatures in both sides that repels sparks and melted metal projections. Thus, WELS2 fabric is impermeable to liquids and fumes, and can be used on both sides.

WELS2 welding fabric has been developed in order to protect before welding sparks (TIG, MIG, Electrode...) cutting and grinding. It is a versatile fabric that can be used to delimit areas, as a curtain way, or to protect surfaces or objects, even from melted metal projections and splashed. Texfire recommends its use on a diagonal or vertical position. With a weight not higher than 600 gsm, it is a very flexible and pliable fabric, easy to cut and handle because it does not “fray.” Besides its flame retardant features, WELS2 fabric is totally impermeable to liquids and fumes. Thus, it offers the same level of protection in both sides, which allows it to protect and work in 2 areas simultaneously.

Grey WELS2 is certified in 2020 with regulation UNE 23727 - Reaction to fire of construction materials, with M1 type approval. And with regulation UNE 13773 - Behaviour before fire of curtains and drapery, with Class 1. It also meets regulation EN ISO 9150 - Behaviour of materials over the impact of small melted metal splashed, with a Class 1 classification.


  • Resists continuous temperatures of  300ºC and peak temperatures of 900ºC.
  • Fabric’s width 0,5 mm, weight 590g/m2 and useful wideness of 150 cm.
  • Can be used on both sides.
  • Repels the impacts of incandescent metal splashes and other materials.
  • Totally  impermeable to water, oils, acids and fumes.
  • Flexible fabric, easy to handle, does not fray being cut with scissors.
  • Suitable for indoors and outdoors use.
  • Completely opaque, suitable to protect sensible elements.
  • Its flame retardant features are permanent, not decreasing over time. Does not expire.
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Data sheet

Data sheet

Convective heat
ISO 9151 | B1
Radiant heat
ISO 6942 | C1
Traction resistance
EN 13934-1 | Warp 2700 N ±10% Weft 1700 N ±10%
Flame propagation
ISO 15025 | A1 - A2
Water penetration resistance
EN 20811 | 100
Resistance welding and cutting projections
EN 9150 | CLASS 1
Heat resistance
ISO 17493 | PASS


  • Flame retardant fabric for welding.
  • Flexible flame retardant barrier.
  • Opaque flame retardant curtain.
  • Fire blanket for welding.
  • Contention barrier from fumes and liquids.
  • Especially suitable to manufacture flame retardant covers or spreads.


  • TIG, MIG and ELECTRODE welding.
  • Radial cutting and grinding.
  • Naval sector, Offshore and subcontractors.
  • Construction sector.
  • Foundries and metal industries.
  • Any application where a flame retardant protective and flexible fabric is required.


  • Always use it placed as vertically as possible.
  • Can be used on both sides.
  • Can be washed using a wet cloth.
  • Do not use alcohols, solvents or detergents to wash (flammable leftovers can be left).
  • It is recommended always to store it in rolled position as a tube in order to enhance its useful life.
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