Z Block Insulation

Z block insulation provides top thermal performance. Its ultra-dense ceramic matrix resists 1600°C temperatures. This solution keeps heat 40% better than standard blocks. Installation works 50% faster. One of Kerui’s customers reports 3X longer service life. Kerui offers ISO-certified production and 24/7 global support. It handles your toughest high-heat applications.

Parameters of Kerui Z Block Insulation

Z block insulation by Kerui combines premium ceramic fibers, high-purity binders and reinforced anchoring systems for rapid installation and superior thermal performance. See their parameters.

Item/Grade		STD MODULE	HP MODULE	HA MODULE	HZ MODULE
Classification Temperature/℃		1260	1260	1350	1430
Chemical Composition	ω (Al2O3) ≥/%	43	44	52	35
	ω (SiO2) ≥/%	54	55	47	49
	ω (ZrO2) ≥/%	/	/	/	15
Color		White	White	White	White
Bulk Density (kg/m³)		160-220	160-220	160-220	160-220
Permanent Linear Change ≤/%		1000℃*24h 2.5	1100℃*24h 2.5	1200℃*24h 3.0	1350℃*24h 3.0
Thermal Conductivity Coefficient/[W/(m·K)]	400℃	0.1	0.1	0.1	0.1
	600℃	0.18	0.17	0.16	0.15
	800℃	0.2	0.2	0.2	0.19
	1000℃	0.27	0.26	0.26	0.26

Composition of Z Module Insulation

The construction of Z block insulation involves a combination of materials and components that work together to deliver optimal performance:

Accordion Pleating Ceramic Fiber

• Made from premium Kerui ceramic blanket material;
• Accordion design ensures perfect furnace contour fitting;

Stainless Steel Reinforcement

• Stainless steel beams and sliding channels;
• Enables quick 305x305mm module installation;

Compression System

• Removable banding for tight, gap-free expansion;
• Fully isolates metal components from heat.

Features of Kerui Block Insulation

Perfect Thermal Seal

• Self-expanding fibers create 100% gap-free lining;
• Maintains uniform temperature distribution;

Unmatched Durability

• Withstands 1500°C thermal shocks;
• Resists mechanical vibration and impact;

Energy Optimized

• 40% lower heat storage than conventional linings;
• Reduces cycle times by up to 35%;

Structural Benefits

• Lightweight design (70% lighter than brick);
• Minimizes furnace structural stress;

Rapid Installation

• Ceramic fiber modular system installs 3X faster than traditional methods;
• Ready for immediate operation (no curing required).

Applications of Insulation Block

Kerui’s block is utilized by a diverse range of industries worldwide, including:

• Iron & Steel Industry: Blast furnaces, ladle covers, annealing lines;
• Non-Ferrous Metals Production: Aluminum smelters, copper refining furnaces;
• Glass Manufacturing: Float glass lines, glass melting furnaces;
• Cement & Lime Processing: Rotary kilns, preheaters;
• Petroleum & Chemical Plants: Cracking furnaces, reformer units;
• Power Generation: Boiler insulation, SCR systems;
• Mining & Minerals: Calcination furnaces, roasting ovens.

Material Selection Guide for Z Insulation Block

Choosing the right type of blanket for block is crucial for optimal performance. Many factors must be considered.

Operating Temperature

• Match the blanket grade to your maximum process temperature;
• Standard options: 1260°C / 1350°C / 1430°C rated materials;

Process Requirements

• Consider furnace atmosphere (oxidizing/reducing);
• Evaluate thermal cycling frequency;
• Account for mechanical stress factors;

Product Protection

• Select low-shot-content grades for clean environments;
• Choose chemical-resistant formulations when needed.

Choose Kerui for Your Insulation Solution

Kerui Z block insulation delivers proven performance across our customers. This product offers 30% faster installation, 25-40% energy savings, and 2-3X longer lifespan than conventional linings. Backed by 15+ years of global expertise, Kerui solution combines cutting-edge materials with industry-specific engineering to optimize your furnace efficiency. Contact us today for a free consultation and discover how Z block can transform your thermal management system. View more company information on LinkedIn.