KJM26 Insulating Firebrick——Alternative Choice of Traditional ASTM26 Insulating Brick

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KJM26 Insulating Firebrick——Replace ASTM26 Insulating Brick 10

KJM26 Insulating Firebrick——Replace ASTM26 Insulating Brick 11

KJM26 Insulating Firebrick——Replace ASTM26 Insulating Brick 5

KJM26 Insulating Firebrick——Alternative of Traditional ASTM26 Insulating Brick

KJM26 insulating brick is a high-performance thermal insulation product produced using a dry pressing method and high-temperature firing in a tunnel kiln. This process eliminates the need for added burn-out materials, cutting and grinding, resulting in over 30% lower production costs compared to traditional insulating bricks.

Cost-Effective: 30% lower costs with dry pressing, no burn-out materials, and reduced processing.

Higher Service Temperature: Withstands 1370°C, matching 28-grade insulating bricks, perfect for high-heat applications.

Superior Strength: Magnesium silicate phase enhances durability, minimizing mechanical stress failures.

Sustainable & Efficient: Low energy use, minimal waste, and eco-friendly production.

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Introduction

Features

Photo Gallery

Product Knowledge

Technology Parameters

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Introduction of KJM26 Insulating Firebrick

KJM26 Insulating Firebrick is engineered for high thermal stability, strength, and sustainability. Made from carefully selected magnesia raw materials, enhanced through patented modification technology, and combined with high-purity silica, it forms a stable magnesium silicate crystalline phase for superior performance.

Manufactured using an advanced dry pressing process and high-temperature firing in a tunnel kiln, KJM26 bricks ensures uniformity and high density without the need for post-production cutting or grinding. Made entirely from natural minerals, it eliminates burn-out materials, reduces dust emissions, and enhances worker safety, making it a cost-effective and eco-friendly insulation solution for high-temperature applications.

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KJM26 Insulating Firebrick——Replace ASTM26 Insulating Brick 8

KJM26 Insulating Firebrick——Replace ASTM26 Insulating Brick 15

Features of KJM26 Insulating Firebrick

Higher Service Temperature:

KJM26 bricks have a refractoriness under load of 1370°C, offering high thermal stability and performance comparable to traditional 28-grade insulating bricks, making them ideal for high temperature applications.
Excellent Strength:

The stable magnesium silicate phase provides superior strength, reducing the risk of failure under mechanical stress and ensuring longer-lasting performance.
Cost-effective:

The dry pressing process and absence of burn-out materials and post-production grinding reduce costs by over 30%, offering competitive prices without compromising quality.
Sustainable and Efficient:

The production process minimizes waste, lowers energy consumption, and eliminates burn-out materials, making KJM26 an environmentally friendly choice.
Industry Innovation:

KJM26 opens new doors in insulation technology, offering improved performance and cost savings, marking a significant step forward for the industry.
Market Appeal:

With its cost-effectiveness and performance comparable to or better than traditional products, KJM26 is a strong, competitive choice for customers.

Photo Gallery of KJM26 Insulating Firebrick

KJM26 Insulating Firebrick——Replace ASTM26 Insulating Brick 3

KJM26 Insulating Firebrick——Replace ASTM26 Insulating Brick 4

KJM26 Insulating Firebrick——Replace ASTM26 Insulating Brick 14

KJM26 Insulating Firebrick——Replace ASTM26 Insulating Brick 18

KJM26 Insulating Firebrick——Replace ASTM26 Insulating Brick 19

Why KJM26 Outperforms ASTM 26 & ASTM 28?

✅ Optimized Bulk Density (0.8 g/cm³) – Matches ASTM 26 while offering better insulation than ASTM 28.
✅ Superior Strength (3.3 MPa CCS) – Stronger than ASTM 26 (2.0 MPa) and ASTM 28 (2.8 MPa), ensuring durability.
✅ Minimal Shrinkage (+0.2% @ 1450°C × 12h) – Tiny linear shrinkage, reducing volume change risk.
✅ Higher RUL (1370°C) – Withstands more heat than ASTM 26 (1250°C) and ASTM 28 (1350°C).

With better performance, durability, and cost-efficiency, KJM26 is the ideal upgrade for high-temperature applications. 🚀

KJM26 Insulating Firebrick——Replace ASTM26 Insulating Brick 16

Typical Application

KJM26 Insulating Firebrick are versatile and ideal for hot face refractory lining or back-up insulation in various industries, including:

Ceramics: Roller hearth kilns, tunnel kilns, shuttle kilns, electricity furnace.
Glass: Melters, regenerators, distributors, tempering furnaces.
Aluminum: Anode baking furnaces, primary electrolytic cells, melting furnace, holding furnace, etc.
Lithium-ion Battery: Cathode and anode furnaces.
Iron & Steel: Coke ovens, blast furnaces, hot blast stoves, reheating furnaces, bright metal annealing furnaces, etc.
Industrial Furnaces: Carburizing furnaces, heat treating furnaces, electronic product furnaces, refractory sintering furnaces, etc.

Technology Parameters

KJM26 Brick vs Traditional ASTM /GB Standard Insulating Firebrick
ASTM C155 – 2018 & China GB/T 35845 – 2018 Standard
			New Product	Traditional Insulating Firebrick
Grade	Standard	Unit	KJM26	ASTM26	ASTM27	ASTM28
Classification Group	ISO 2245		145-0.8-L	140-0.8-L	145-0.8-L	150-0.9-L
	ASTM C155		26	26	27	28
Classification Temperature		℃	1450	1400	1450	1540
Bulk Density	ASTM C134	g/cm3	0.8	0.8	0.85	0.9
Cold Crushing Strength	ASTM C133	MPa	3.3	2	2.5	2.8
Modulus of Rupture	ASTM C133	MPa	1.8	1.4	1.5	1.5
Permanent Linear Change @ ℃×12h		%	0.2	-1.5～+0.5	-1.5～+0.5	-1.5～+0.5
Permanent Linear Change @ ℃×12h			1450	1400	1450	1510
0.05MPa Refractoriness Under Load		℃	1370	1250	1300	1350
Thermal conductivity
400℃	ASTM C182	W/m.K	0.26	0.23	0.3	0.3
600℃			0.29	0.27	0.32	0.32
800℃			0.34	0.3	0.35	0.35
Chemical Composition
Al2O3		%		55	60	65
SiO2			65	42	36	33
Fe2O3			0.5	0.9	0.8	0.7
MgO			27

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Frequently asked questions (FAQs)

Can we visit your factory?

Absolutely! We welcome plant audits and visits to our facilities. Please note that Firebird insulation refractory and high-performance refractories are manufactured in separate plants. Let us know your requirements, and we can arrange a convenient schedule for your visit to ensure a smooth and informative experience.

How does Firebird ensure the quality of its refractory products?

At Firebird, quality assurance is integral to our operation, embodying our commitment to transparency and excellence. Here's how we ensure top-notch quality: Transparency in Production: After you place an order, we provide you with a detailed production plan, outlining each stage of the manufacturing process. Weekly Progress Updates: We keep you informed with weekly updates, so you always know the status of your order. Detailed Testing: Every batch of products undergoes thorough testing, and we provide a detailed test report that includes data on chemical composition, physical properties, and compliance with international standards. Comprehensive Inspections: We meticulously check the appearance, size, and weight of each product to ensure they meet our stringent quality criteria. Shipping Documentation: To maintain transparency and trust, we share photos of your order at the shipping stage, allowing you to see the final packaging and labeling.

Can you provide samples of your products?

Yes, we can provide samples of our products. We understand the importance of testing materials in your specific application and are happy to assist with samples upon request. Please contact our sales team to arrange for sample delivery.

Do you accept custom dimensions for your refractory products?

Absolutely. Firebird specializes in customizing refractory materials to meet specific customer requirements. Whether you need custom shapes, sizes, or specifications, our team can accommodate your needs. Please provide your detailed requirements, and we will work closely with you to deliver the perfect solution.

What is the typical delivery time for orders?

Our standard delivery time is generally between 10 to 15 days for most products. However, for specialized or customized bricks, the delivery time may extend to approximately one month. We strive to meet our customers' timelines and will provide an estimated delivery date upon order confirmation.

What payment methods do you accept?

We accept payments via T/T (Telegraphic Transfer) in major currencies such as Euro (EUR) and US Dollar (USD). Our payment terms are flexible, and we can accommodate different payment schedules based on the agreement.

Who are your main customers?

Firebird takes pride in its extensive global reach, serving a diverse clientele across more than 40 countries. Our customers range from Southeast Asia's dynamic industrial centers to the heartlands of the USA. We also have significant market presence in Europe, South America, and Africa. This broad geographical distribution allows us to cater to various industries, including glass manufacturing, steel production, and other high-temperature industrial applications, ensuring our products meet the specific needs of each region.