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Soudal Soudaflex 40FC adhesive and sealant 310 ml

Description

Soudal Soudaflex 40FC is a one-component, high-modulus adhesive and sealant based on polyurethane for metal, concrete, wood and many plastics. The grey colour version is suitable for discreet joints on metal and concrete components. It is used above all as a joint sealant in the construction and metal industries.

Benefits at a glance

  • High modulus, permanently elastic and stress-compensating after curing
  • Paint-compatible to DIN 52452-A1
  • Silicone-free – easy to paint over
  • Can be sanded after complete curing
  • Seawater- and chemical-resistant

Areas of application

  • Sealing and bonding applications in the construction and metal industries
  • Bonding and sealing in container, vehicle, caravan, railway wagon and ship construction
  • Sealing in air-conditioning and ventilation construction
  • Structural connections in vibrating constructions
  • Contraction joints in concrete floors

Chemical and technical properties

Base polyurethane, density approx. 1.30 g/ml, skin-forming time approx. 25 min. (23 °C/50 % RH), through-curing approx. 3 mm/24 h, Shore A hardness 40 ± 5, tensile strength 1.70 N/mm², elongation at break approx. 700 %. Temperature-resistant -30 °C to +90 °C, application temperature +5 °C to +35 °C.

Application tips

Keep the substrate sound, clean, dry and free of dust and grease. Pre-treat porous substrates exposed to water with Primer 100, clean smooth surfaces with Surface Activator. Application with a manual or compressed-air gun; remove fresh material with Surface Cleaner or Swipex, cured material mechanically or with silicone remover.

Technical data

Area of use: Exterior, Interior
Colour: grey
Content: 310 ml
Material: Polyurethane (PU)
Pack size: 310 ml cartridge
Technical highlights: Standard: DIN 52452-A1
Technical data
Product type: Structural adhesive
Product group: PU sealant
Shore hardness: Shore A 40
Use
Merchandise group: Sealants
Application
Through-curing: 3 mm/24 h
Application temperature: +5 °C to +35 °C

Data sheets

Data sheets and documents

All documents come unchanged from the manufacturer.

Manufacturer information

Manufacturer information pursuant to Art. 19 EU GPSR

Postal address Soudal N.V.
Everdongenlaan 18-20
2300 Turnhout
Belgium

Electronic address verkauf@soudal.com

All products by Soudal

Information as of: 2026-09-17

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For your project

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Project: Expansion and connection joints on the façade

Clean the joint flanks mechanically, prime porous flanks and insert a closed-cell backing cord so that the joint becomes about twice as wide as deep. Then apply the permanently elastic sealant, smooth it and pull off the masking tape immediately.

  1. Prepare the surface

  2. Tools & accessories

  3. Finish & care

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