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| Item/Grade | CA50 | CA70 | CA80 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| A600 | A700 | A900 | CA70 | CA70W | CA70S | CA71 | CA80 | CA80S | |||
| Chemical Composition | ω (SiO2) ≤/% | 7.8 | 7.5 | 5.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | |
| ω (Al2O3)/% | 50.0 | 51.0 | 53.5 | 68.5-70.5 | 68.5-70.5 | 68.5-70.5 | 69.5-71.5 | 78.0-81.0 | 78.0-81.0 | ||
| ω (Fe2O3) ≤/% | 2.5 | 2.5 | 2.5 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | ||
| ω (CaO)/% | / | / | / | 28.5-30.5 | 28.5-30.5 | 28.5-30.5 | 27.5-29.5 | 17.5-20.5 | 17.5-20.5 | ||
| ω (MgO) ≤/% | / | / | / | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | ||
| ω (R2O) ≤/% | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | ||
| ω (S) ≤/% | 0.1 | 0.1 | 0.1 | / | / | / | / | / | / | ||
| ω (Cl) ≤/% | 0.1 | 0.1 | 0.1 | / | / | / | / | / | / | ||
| Fineness | d50/μm | / | / | / | 11-4 | 8-11 | 6-9 | 10-13 | 5-8 | 5-8 | |
| -45μm ≤/% | / | / | / | 8.0 | 5.0 | 5.0 | 8.0 | 5.0 | 5.0 | ||
| Setting Time | Initial Setting Time (min) | ≥45 | ≥60 | ≥90 | 120-180 | 30-90 | 180-240 | 150-210 | 30-90 | 90-150 | |
| Final Setting Time (min) | ≤6 | ≤6 | ≤6 | 150-240 | 90-180 | 240-330 | 210-300 | 90-180 | 270-360 | ||
| Strength (ISO) | Flexural Strength/Mpa | 24h | 6.0 | 6.5 | 8.0 | 7.5-10.0 | 8.0-10.5 | 8.0-10.5 | 8.5-11.0 | 5.0-7.5 | 5.0-7.5 |
| 72h | 7.0 | 7.5 | 10.0 | 10.0-12.0 | 10.5-12.5 | 10.5-12.5 | 11.0-12.5 | 6.0-8.5 | 6.0-8.5 | ||
| Compressive Strength/Mpa | 24h | 45 | 55 | 72 | 40-50 | 45-55 | 45-55 | 50-60 | 30-40 | 30-40 | |
| 72h | 55 | 65 | 82 | 45-55 | 50-60 | 50-60 | 55-65 | 40-50 | 40-50 | ||
| 325M ≤/% | 15 | 12 | 8 | / | / | / | / | / | / | ||
| Specific Surface Areas ≥/ (㎡/kg) | 300 | 320 | 350 | / | / | / | / | / | / | ||
Tips: This table is formulated concerning Chinese refractory industry standards. Contact us for more information.
This is a critical parameter as refractory cement is typically used in high-temperature environments. Therefore, alumina refractory cement should have sufficient Working Temperature to maintain the stability of its structure and properties at high temperatures.
The compressive strength of refractory cement indicates the maximum pressure it can withstand when stressed. Also, higher compressive strength generally means the cement is better able to resist compression and stress.
Refractory products may be exposed to various chemicals such as acids, alkalis and metal oxides under high temperature conditions. Therefore, refractory cement should have good chemical stability and be able to resist chemical attack.
Refractory cement may be subject to wear and friction during use. So, higher wear resistance means cement has better durability and long-term stability. In other words, it is resistant to wear and abrasive particles.
Good bonding strength ensures a strong bond between high-temperature refractory cement and large fire bricks and other refractory materials. Thus, they provide reliable construction and stability in high-temperature environments.
The construction performance of refractory cement refers to its ease of processing and construction. For example, whether the cement is easy to mix, apply and form an even coating. In other words, good construction performance can improve construction efficiency and quality.
Generally speaking, it can be used to make various refractory materials. Such as refractory bricks, refractory castables and ceramic fiber products. Therefore, refractory cement is an important binder for refractory materials.
After long-term high-temperature operation in high-temperature furnaces, the lining may suffer from wear and corrosion. At this time, it can be used to repair and reinforce the lining, extending the service life of the equipment.
High alumina cement is used in the construction of glass melt pools, aluminum electrolytic cells, chemical reactors and catalyst units. In addition, it is also used to manufacture and repair equipment such as storage tanks, pipes and reactors.
We recommend understanding the specifications, performance and applicability of refractory cement before purchasing. In addition, everyone should choose the right product according to their specific needs. Besides, refractory cement where to buy or where to get refractory cement? The following will discuss where to buy refractory cement from these two aspects.
We can find many merchants selling refractory cement on large comprehensive e-commerce platforms. By searching for keywords such as “refractory cement” or “refractory materials”, you can browse different brands and models of refractory cement. Additionally, you can compare prices and user reviews to choose the right refractory product.
Some professional refractory suppliers offer various types of refractory cement. These suppliers usually have extensive experience and expertise and can provide more professional advice and support. Besides, some manufacturers may offer competitive prices for larger quantities. If Kerui has piqued your interest, this article will tell you more about us.
Kerui cheap refractory cement is known for its affordable prices. Compared to other refractory cement brands, Kerui refractory cement offers competitive prices. We will give you big discounts for large quantities and we also have corresponding preferential policies for small purchases.
We use high-quality raw materials to produce refractory cement. Kerui Company focuses on the selection and procurement of raw materials. Therefore, we ensure that the materials used have good properties. Thus, Kerui can guarantee the quality and performance of the final product.
Kerui Company strictly adheres to high-quality standards for production. The company has a complete quality management system. This includes raw material inspection, production process control and final product inspection. Therefore, we ensure that our products comply with relevant standards.
We have advanced production equipment and technology, a professional R&D team and technical personnel. Moreover, these facilities and team support help improve product quality and performance. At the same time, Kerui also meets the customized requirements of customers’ different needs.
Buy refractory cement from Keruigroup can provide reliable fire-resistant protection and extend the service life of the equipment. If you want to get the price listing of refractory cement or other refractory products, please contact us. Additionally, you can also find us on Pinterest.