Company News
2026.03.23
A Discussion on the Diverse Applications and Advantages of Refractory Bricks
Understand the properties, application areas, and significance of refractory bricks in construction and industry.
2026.03.22
The Importance and Applications of Refractory Bricks in the Construction Industry
Exploring the diverse applications of refractory bricks in modern construction and their significance.
2026.03.21
Case Study on the Industrial Applications of Refractory Bricks
Explore success stories and innovative solutions for the application of refractory bricks across various industries.
2026.03.20
** Developments and Future Prospects in the Refractory Brick Industry
Explore the **development trends and future potential of the refractory brick industry, and gain insights into market dynamics and technological innovation.
2026.03.19
Understanding Refractory Bricks: The Backbone of High-Temperature Industries
Explore the essential role of refractory bricks in high-temperature applications and more.
2026.03.18
Unlocking the Secrets of Refractory Bricks: A Comprehensive Guide
Dive into the world of refractory bricks and discover their importance in high-temperature applications.
2026.02.03
What are the advantages and disadvantages of organic thermal insulation materials?
1. Polyurethane foam (PU, primarily rigid foam) Advantages: Excellent industrial-grade thermal insulation performance with a low thermal conductivity (0.020–0.028 W/(m·K)); lightweight, high closed-cell rate, extremely low water absorption, and good moisture resistance; high compressive strength, resistant to deformation, excellent adhesion, capable of on-site spray-on application, and suitable for irregularly shaped equipment. Disadvantages: Poor temperature resistance (ordinary rigid foam ≤120℃; modified foam ≤150℃); flammable—requires the addition of flame retardants to achieve B1 grade; prone to decomposition at high temperatures, releasing toxic gases; average weathering resistance—long-term exposure to sunlight can lead to aging and chalking; relatively high cost. Applications: Thermal insulation for industrial cryogenic pipelines, cold storage facilities, chemical tanks, and air-conditioning systems; ideal for scenarios requiring high thermal insulation at ambient or low temperatures.
2026.02.03
Advantages: Wide temperature resistance range (standard rock wool ≤600℃; basalt rock wool ≤800℃), Class A flame retardancy, low thermal conductivity (0.038–0.045 W/(m·K)), excellent sound absorption and noise reduction, strong chemical stability, resistant to acids and alkalis, moderate price, and easy processing and installation. Disadvantages: Relatively high moisture absorption; after becoming damp, its thermal insulation performance significantly deteriorates, so a proper moisture-proof layer must be installed. The fibers are relatively coarse, easily irritating the skin during construction, so protective measures are necessary. Compressive strength is average; prolonged pressure can easily cause deformation. Applications: Thermal insulation for industrial pipelines, boilers, tanks, and steel structures—suitable for medium- and low-to-medium-high temperature environments.
2026.02.03
What are some types of insulation materials?
Industrial thermal insulation materials are crucial complementary components that effectively block the conduction of high-temperature heat and reduce thermal losses in thermal equipment. They are widely used in various industrial sectors—including iron and steel, cement, glass, and nonferrous metallurgy—in areas such as kilns, pipelines, and casings of thermal equipment. These materials are often used in conjunction with refractory castables and refractory bricks to form a dual-layer protective structure consisting of a "refractory layer + insulation layer." This structure not only safeguards the metal substrate of the equipment from being scorched by high temperatures but also enhances the thermal efficiency of the equipment. The core characteristics of these materials include low thermal conductivity, lightweight properties, and adaptability to different temperature conditions. Based on their structural forms, they can be categorized into three main types: fibrous, porous, and shaped blocks, covering the entire temperature range from ambient to 1200°C.
2026.02.03
What factors influence the construction temperature and curing time of refractory castables?
The construction temperature and curing time for refractory castables are not fixed values. These parameters are primarily influenced by three key factors: the material’s inherent formulation properties, the conditions of the construction environment, and the operational conditions of the engineering application. Additionally, construction operation standards and subsequent protective measures can also indirectly affect the required parameter specifications. Each of these factors influences the hydration reaction, setting and hardening processes, and strength development of the castable, thereby determining the appropriate range of construction temperatures and the duration of curing. The following details the specific influencing factors and their mechanisms of action:
Do you want to get a complete solution as soon as possible?
Click the button to submit your request information, and we’ll contact you promptly once we receive it.
Contact Us
whatsapp:+8615936268068
Phone:+86-15936268068
Email:zzjsrefractory@gmail.com
Address: Chengguan Industrial Zone, Xinmi City, Henan Province
Tiktok
Copyright © Zhengzhou Jinshan Refractories Material Co., Ltd.
Powered by www.300.cn Supports IPV6 Privacy Agreement