Fire-retardant filler

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Fire-retardant filler


  • Container: Cartridge
  • Contents: 310 ml
  • Building material class: B2 - Normally inflammable
  • Colour: White
  • Viscosity/consistency: Pasty
  • Shelf life from production: 18 Month
  • Conditions to maintain shelf life from production: frost-free storage area
  • Density conditions: at 20°C
  • Min. proportion of solids: 60 %
  • Max. processing time: 6 h
  • Ultraviolet resistance: No
  • pH value: 8.0-8.8
  • Density: 1200 kg/m³
  • Conditions for loss of mass: At 400°C for 30 minutes
  • Conditions for rising height: at 400°C for 30 minutes without weight bearing on 2.0-mm thick samples
  • Loss of mass: 66 %
  • Rising height: 75 mm
  • Recoatable/Can be painted over: No
  • Max. processing temperature: 30 °C

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Art.-no. Container Contents Building material class Colour Quantity PU
Cartridge 310 ml B2 - Normally inflammable White

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Structure of our article number

The article number is made up of the following: VVVVAAABBB
VVVV = 4 digits for prefix number (please note that the first digit is currently always 0)
AAA = 3 digits for dimension part 1
BBB = 3 digits for dimension part 2

Example article number structures:
Example 1: Screw with dimensions of 4x10 mm:
00574 10 (2 spaces between the 4 and the 10)

Example 2: Screw with dimensions of 10x20 mm:
005710 20 (1 space between the 10 and the 20)

Example 3: Flat washer with an internal diameter of 6 mm:

Information on price and image display

Price per packaging unit (PU):
The displayed price is always in line with the displayed packaging, if the PU is 250 the price for 250 units, if the PU is 300 the price for 300 units.

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Price for 1 unit
Price for 100 units
Price for 1000 units


The quantity shows the number of pieces or units of measure contained in the order or delivery for the respective article.
Art.-no. Cust. Mat. No.

Hazardous Material

Product information

Würth Catalogue

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Technical information

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  • Seals against fire and combustion gases

  • Seals rooms

  • Foams in the event of fire

  • Resistant to ageing

  • Easy and fast sealing of residual openings

  • Single-component

  • Free of halogens and solvents

  • Easy application from cartridge
  • The application temperature must not drop below +5°C

  • Curing time approx. 6 hours

  • Shelf life: 18 months, stored upright in a frost-free environment

  • The sealant must not be used in damp environments

  • Must not be applied if the sealant is exposed to heavy rain, successive frost and thawing, UV radiation or condensation water

  • Must not be painted over as the paint coat would hamper foaming in the event of fire
  • [A] Z-19.15-1333

  • [B] Z-19.15-1290 + Z-19.15-821

  • [D2] Z-19.15-1483

  • [E] Z-19.15-1117

  • Product approval for fire-retardant filler Z-19.11-1116

  • Building material in accordance with DIN 4102, part 1, B2