Selection and application of asbestos cord for stoves

Content
  1. Advantages and disadvantages
  2. Types of cords
  3. Manufacturers and brands
  4. How to use it correctly?

The asbestos cord was invented only for thermal insulation. The composition contains mineral threads, which eventually split into fibrous ones. The cord consists of a core wrapped in yarn. It is important to choose the right type of product for use in the oven. Installing an asbestos cord is quite simple with the help of the instructions.

Advantages and disadvantages

The asbestos cord for ovens is refractory, which allows it to be used as thermal insulation. The material can withstand up to + 400 ° C. The asbestos cord is used even in the construction of rockets.

Main pluses:

  • not afraid of temperature changes and humidity - natural fibers repel water;
  • the diameter can vary between 20-60 mm, while it is flexible, it can adapt to any shape;
  • withstands vibrations and similar influences without deformation and violation of integrity;
  • the product is very durable, does not break under heavy loads - to improve wear resistance, the cord is wrapped with reinforcement;
  • has an affordable cost.

All the advantages of the material make it quite suitable for use in an oven. However, there are also disadvantages, it is important to take them into account. Asbestos cord has been known for a long time, it loses against the background of newer materials.

Main disadvantages.

  1. A stove seal lasts about 15 years, and then begins to release microfiber into the air. It is harmful for them to breathe, so the asbestos cord must be changed quite regularly.
  2. High thermal conductivity. The cord heats up when using the oven and it is important to take this into account.
  3. The asbestos cord must not be broken, and the dust from it must be disposed of. Small fragments of material can enter the respiratory tract and provoke various diseases.

You can avoid unpleasant situations associated with the cord. For this, it is important to use the material correctly, follow the safety rules. You also need to choose the right kind of cord for the stove so that it can withstand all the necessary loads. Asbestos material is quite affordable and widespread, which attracts builders and DIYers.

Types of cords

There are several versions of this material. The asbestos cord may differ depending on the application. Only 3 types are suitable for the oven. Others simply will not be able to withstand the expected loads.

  • CHAUNT. General purpose cord is made from asbestos fibers that are woven into polyester, cotton or rayon. This allows the material to be used as thermal insulation. It is used in the manufacture of heating systems, boilers and other thermal equipment. It has good resistance to bending, vibration and delamination. The working temperature should not exceed + 400 ° С. In this case, it is important that the pressure remains within 0.1 MPa. This type of material cannot be used in systems with high loads.
  • SHAP. The fibers of cotton or asbestos are wrapped on top with a thread of yarn or the same base material. Temperature norms are the same as in the previous species. But the pressure should be no more than 0.15 MPa. This is already a good solution for utility and industrial networks.
  • SHOW. The inner part is made of downy cord, and the top is wrapped with asbestos thread. Optimal solution for sealing coke ovens and other complex equipment. The maximum temperature is the same as for other species, but the pressure should not exceed 1 MPa. The material does not swell or shrink during operation. This avoids many unforeseen situations.

Types of asbestos cord have different ultimate loads.There are other types of material, but they are not at all suitable for use in an oven. From this list, it is advisable to opt for SHOW.

An asbestos sealant will do the job best and protect you from unpleasant situations.

Manufacturers and brands

The German company Culimeta is very popular. Its products have an ideal price-quality ratio. You can pick up an asbestos cord from:

  • Supersilika;
  • FireWay;
  • SVT.

These manufacturers have established themselves among professional builders. But it is better to take the glue from Thermic, it can withstand up to + 1100 ° C.

How to use it correctly?

The SHAU modification is best suited for the oven. The material is resistant, does not rot, and is resistant to biological influences. The use of the cord is simple, you just need to act carefully and carefully. You can seal a metal stove or a door on it with fire-resistant asbestos as follows.

  • Clean the surface from dirt.
  • Apply heat-resistant adhesive evenly into the groove. If there is no space for the seal, then simply select the desired area for installing the seal.
  • Place the cord on top of the glue. Cut off the excess at the junction with a sharp knife. Gaps are unacceptable.
  • Close the door so that the seal is firmly in place. If the material is not on the door, then the surface is still important to press down.

After 4 hours, you can heat the oven and check the quality of the work done. The diameter of the cord must match the groove in the oven. Thinner material will not give the desired effect, and thicker material will prevent the door from closing. If you need to seal the cooking part of the oven, it must be removed first.

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