Refractory plastics are made of refractory aggregates and powders, raw clay and chemicals, and binders and admixtures. After configuration and kneading, it is extruded into a brick shape, and it still has good plasticity after being packaged and stored for a certain period of time and can be constructed by tamping. According to the type of refractory aggregate, it is divided into clay, high alumina, mullite corundum, chromium, silicon carbide, and zirconium. According to the type of binder, it is divided into composite binders such as raw clay and aluminum sulfate, phosphoric acid, phosphate, water glass, and resin. According to the hardening properties at room temperature, it can be divided into air-hardening and thermosetting refractory plastics. RS monolithic refractory manufacturer owns an environmentally friendly fully automatic monolithic refractory production line and provides high-quality monolithic refractory services for high-temperature industrial furnaces.
Characteristics of Fire-Resistant and Wear-Resistant Plastic Refractory Materials
Fire-resistant and wear-resistant plastic is a special high-performance material, which is mainly composed of high-temperature resins, fillers, and reinforcing materials.
Fire Resistance. The main components of fire-resistant and wear-resistant plastics are special high-temperature resins and inorganic fillers, which have good fire resistance and can operate at high temperatures for a long time without burning or releasing toxic gases.
Wear Resistance. The fire-resistant and wear-resistant plastic refractory filler and reinforced fiber material have good wear resistance, can withstand the scour and friction of high-speed flowing medium, and are not easy to wear and fall off.
Plasticity. Fire-resistant and wear-resistant plastic has good plasticity within a certain temperature range and can be processed into various shapes according to needs to meet the requirements of different projects.
Chemical Resistance. Fire-resistant and wear-resistant plastic has good chemical corrosion resistance and can be used in complex media such as acids and alkalis, salts, and organic solvents.
Long Life. The fire-resistant and wear-resistant plastic has excellent durability, can run stably for a long time in harsh environments such as high temperatures and high pressure, and has a long service life.
It should be noted that the specific characteristics of refractory and wear-resistant plastics are also related to their composition, preparation process, and other factors. There may be some differences in refractory and wear-resistant plastics of different manufacturers and models.
What is the difference between refractory castables and refractory plastics, which one is easier to use?
Both refractory castables and refractory plastics are unshaped refractories, and they have their own advantages and disadvantages. Which one to use depends on the specific usage and requirements.
A refractory castable is usually a solid substance that needs to be mixed with water and other materials to form a fluid form. It can cure a hard material at high temperatures and is often used in foundries and kiln linings. Its main advantages are high strength, strong impact resistance, good stability, not easy to deform, and suitable for long-term use. However, its production process is relatively complicated, and the proportion of moisture and materials needs to be strictly controlled, otherwise, problems such as cracking will easily occur.
Refractory plastic is a kind of refractory material with strong plasticity, which can be made into various shapes by extrusion, ramming, and other methods. Its main advantage is that it is easy to process into various shapes and can be used for repairing and replacing refractory materials. Its construction and production process is simple, and it is not prone to problems such as cracking, so it is suitable for construction in small areas or narrow areas.
Before the construction of the refractory castable, pour the refractory castable and the binder in the bag into a forced mixer and add water to stir. During the construction process, it is necessary to support the formwork, and lay anchor nails, anchor bricks, and other supporting parts. Pouring construction, and vibration compaction, After the material is solidified, the formwork is removed, dried, and cured.
In the construction of refractory and plastic materials, it is necessary to trap materials (the method of on-site mixing can also be used). Plastic has a certain degree of plasticity, depending on the construction body, There is no need to set up a formwork, and tortoise shell nets, anchor nails, anchor bricks, etc. are used as supports. Put the material into the pores of the support and beat it compactly. It is worth noting that during the construction process, refractory plastics cannot be in contact with water, and at the same time, the waterproof work of the construction body needs to be done well.
Which is better to use, refractory castable or refractory plastic? Which material to choose depends on the specific application and requirements.
What is the difference between refractory plastic and ramming mass?
Refractory plastics and refractory ramming materials are unshaped refractory materials with different tamping or ramming construction methods.
Due to different binders, their plasticity or working performance is different. When the plasticity index is greater than 15, it is called plastic, and when it is less than 15, it is called ramming material.
Dry vibrating materials have no plasticity, but they are usually constructed by ramming. Except for the different molding methods, the performance testing methods of plastic and ramming materials are basically the same as those of castable materials.
For refractory plastics and ramming materials, etc. Domestic laboratories generally use the method of manual pounding or pressure testing machine forming. Germany uses an automatic tamping machine to tamp with an air hammer, and at the same time moves the mold back and forth at a uniform speed to tamp in layers.
The plasticity index decreases with the prolongation of the storage time of the material, the loss of moisture in the material, the absorption of moisture by other components, and other physical and chemical changes. This variation is exacerbated by changes in ambient temperature and humidity.
In short, the difference between plastic and ramming material is: that when the index is greater than 15, it is plastic, and when it is less than 15, it is ramming mass material.
RS Monolithic Refractory Manufacturer
RS monolithic refractory material manufacturer is a powerful refractory manufacturer and seller. Our refractory products have been sold to more than 100 countries and regions all over the world. Our technical team is also committed to the research and development of refractory materials for high-temperature industrial furnaces, aiming to provide high-quality refractory lining materials for enterprises. We can provide complete customer service, from consultation on refractory lining material solutions to tracking of the use effect after the lining construction is completed. Contact us for free samples and prices.
