Gluing the acrylic inflatable cord with Hydroflex 40 MS waterproofing sealant

Gluing the acrylic inflatable cord with Hydroflex 40 MS waterproofing sealant

Acrylic swelling cord is a hydrophilic material that expands upon contact with water and provides reliable sealing of construction and construction joints in concrete. In order for the cord to work effectively in the body of the structure, it is important to properly secure it before concreting. The most reliable method of installation is gluing the cord with polyurethane sealant Hydroflex 40 MS .

Why choose Hydroflex 40 MS for installation?

Hydroflex 40 MS Polymer Sealant is a universal adhesive sealant based on a silane-modified polymer that provides high adhesion to concrete, metal, ceramics, PVC and most building substrates. Its formula does not contain solvents and isocyanates, so it is safe and does not cause corrosion.

The main advantages of sealant when installing acrylic cord:

• forms a strong adhesive layer even on wet surfaces;

• retains elasticity and does not crack after hardening;

• has high thixotropic properties - does not slide from vertical surfaces;

• ensures reliable fixation of the cord before concreting;

• resistant to water, ultraviolet and chemicals.

Acrylic cord gluing technology

1. Preparing the base.
   The surface must be clean, free of dust and loose particles. Porous substrates can be primed to improve adhesion.

2. Applying sealant.
   A uniform strip of Hydroflex 40 MS, 5–8 mm thick, is applied to the surface. It is important to apply the sealant continuously along the entire length of the joint.

3. Fixation of the swelling cord.
   The acrylic hydrophilic cord is pressed against the layers of sealant so that it is completely "drowned" in the adhesive strip.
   The sealant securely holds the cord even on vertical and ceiling surfaces.

4. Concreting.
   After initial setting (30–60 minutes), concreting can be carried out. The cord will expand in the body of the concrete only after contact with water, ensuring maximum waterproofing.

Where is the Hydroflex 40 MS acrylic cord with fixation used?

• working and cold concreting joints;

• joints of slabs and foundations;

• tanks, pools, treatment plants;

• underground and tunnel buildings;

• structures exposed to groundwater and sea water.

Advantages of the “ Acrylic cord + Hydroflex 40 MS ” system

• 100% waterproof in risk areas;

• quick and easy installation;

• high adhesion and durability;

• reliability in difficult conditions and under water pressure.