Soudaflex 42 Fx

Soudaflex 42FX – High-Performance Polyurethane Joint Sealant & Adhesive

​Soudaflex 42FX is a professional-grade, neutral, elastic, single-component construction joint and adhesive sealant powered by advanced polyurethane technology. Specially engineered for heavy-duty building, industrial, and flooring applications, it delivers superior movement capability, high mechanical resistance, and exceptional long-term durability on demanding substrates.

​Key Features & Benefits

​Heavy-Duty Polyurethane Base: Delivers robust structural bonding and high tear resistance under high mechanical stress.

​Permanently Elastic: Accommodates joint movement of up to 20% while retaining high recovery and flexibility.

​Excellent Durability: Offers great resistance to weathering, aging, and UV radiation, as well as good chemical resistance.

​Broad Material Adhesion: Bonds strongly to most standard building materials, including concrete, metals, polyesters, and various plastics.

​Paintable: Compatible with most common industrial and architectural paints once fully cured.

​Recommended Applications

​Building & Construction Joints: Sealing expansion, connection, and perimeter joints across vertical and horizontal structures.

​Concrete Floor Joints: Ideal for sealing shrinking and control joints in concrete slabs and industrial flooring.

​Vibrating Structures: High-strength structural bonding and sealing in metal fabrication, containers, and vibrating assemblies.

​Roofing & Assembly: General construction sealing and the bonding of roof tiles.

​Technical Specifications

​Chemical Base: Polyurethane

​Curing System: Moisture Curing

​Skin Formation Time: Approx. 35 to 45 minutes (23°C / 50% R.H.)

​Curing Rate: Approx. 4 mm per 24 hours (23°C / 50% R.H.)

​Hardness (Shore A): 40 ± 5

​Elastic Recovery: > 75%

​Service Temperature: -30°C to +90°C (fully cured)

​Application Temperature: +5°C to +35°C

​Packaging: 600 ml Foil Bag / Sausage