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Sika Boom-420 Fire, Fire-Resistant Linear Joint Sealant, Interior, Red, 750 ml

Foams & Fillers
SIKA

Sika is a global leader in specialty chemicals for the construction and industrial sectors. The company develops and supplies innovative products and systems for bonding, sealing, damping, reinforcing, and protecting structures. With a strong focus on sustainability and performance, Sika serves a wide range of applications including concrete production, waterproofing, roofing, flooring, and structural strengthening.

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General Specifications
Ambalaj 750 mL
Baza chimică Polyurethane foam
Utilizare Restores fire resistance in floors or walls with linear seals
Zona de utilizare Interior
Culoare Red
Metoda de aplicare Gun
Temperatura aerului ambiant +5 °C min. / +30 °C max
Condiții de depozitare The product must be stored in original, unopened and undamaged packaging in dry conditions at temperatures between +5 °C and +25 °C. Store in an upright position.Protect the canister from direct sunlight and temperatures above +50 °C (danger of exploding). Always refer to packaging.
Densitate Gun applied: 17 kg/m³ , Nozzle applied:30 kg/m³

Fire resistant polyurethane expanding foam for gun and nozzle application

Sika Boom®-420 Fire is a 1-part, fire resistant, self-expanding polyurethane foam. It meets the fire resistance requirements of up to 180 minutes according to EN 1366-4. The combi-valve allows the application by either gun or nozzle.

  • Fire resistance up to 180 minutes according to EN 1366-4
  • Combi-valve for gun or nozzle application
  • 1-Part ready to use
  • Safety valve for extended shelf life
  • Cured foam can be cut, trimmed and sanded
Usage
  • Restores the fire resistance performance of a floor or wall which incorporates linear seals
  • Interior use only
 
Advantages
  • Fire resistance up to 180 minutes according to EN 1366-4
  • Combi-valve for gun or nozzle application
  • 1-Part ready to use
  • Safety valve for extended shelf life
  • Cured foam can be cut, trimmed and sanded
Packaging

750 ml pressurised canister with safety valve: 12 canisters per box

Refer to current price list for packaging variations.
Colour

Red
Technical Information
Resistance to fire

Refer to ‘Approvals / Certificates’ section, Sika Passive Fire Protection Handbook or contact Sika Technical Services for specific information

Light and Thermal Resistance

Not permanently UV-stable

Service Temperature

−40 °C min. / +80 °C max. (briefly up to +100 °C)

Joint Design

Refer to ‘Approvals / Certificates’ section, Sika Passive Fire Protection Handbook or contact Sika Technical Services for specific information
Application Information
Product Temperature

Optimum

+20 °C

Permissible

+5 °C min. / +30 °C max.
Ambient Air Temperature

Optimum

+20 °C

Permissible

+5 °C min. / +30 °C max.
Substrate Temperature

Optimum

+20 °C

Permissible

+5 °C min. / +30 °C max.
Cutting Time

Gun applied:

~25 minutes*

Nozzle applied:

~40 minutes*

*After this time a 30 mm diameter bead can be cut
Tack Free Time

~6 minutes

(FEICA TM 1014)