China Knife Type High Aluminum Firebrick for Industrial Furnaces

• Customization: Available
• Application: Blast Furnace, Cement Kiln, Ceramic Kiln, Chemical Kiln, Glass Kiln, Steel-Making Furnace
• Material: High Alumina
• Model NO.: Knife Type Brick
• Refractoriness (℃): 1580< Refractoriness< 1770
• Product Name: Knife Type Brick
• Type: Refractory Material
• Al2O3: 45%-80%
• Fe2o3: 1.8-2.0%
• Apparent Porosity: 22-23%
• Bulk Density: 2.25-2.65g/cm3
• Certificate: ISO 9001
• Transport Package: Heat Shrink Film & Pallet
• Specification: 230*114*64mm / Customizable
• Trademark: Shengjie
• Origin: China
• HS Code: 6902200000
• Production Capacity: 100000pieces/Year
• Package Size: 100.00cm * 100.00cm * 120.00cm
• Package Gross Weight: 2000.000kg

Product Description

Product Description

Knife Type Brick is a high-performance refractory brick designed with a special wedge-shaped structure for precise installation and reliable lining performance. 

It offers excellent high-temperature resistance, mechanical strength, and thermal stability, making it suitable for various industrial furnaces and kiln applications.

The unique design helps improve lining stability and reduce heat loss during operation.

Features

•High Temperature Resistance: Maintains stable performance in high-temperature industrial environments

•Excellent Mechanical Strength: Provides strong resistance to wear, impact, and mechanical stress

•Good Thermal Stability: Performs reliably under repeated heating and cooling conditions

•Precise Knife Edge Design: Ensures tight installation and improves lining integrity
•Customizable Shapes: Available in different sizes and specifications according to application requirements

Product Parameters
Item	TLZ-85	TLZ-80	TLZ-75	TLZ-65	TLZ-55
AL203 %	≥85	≥ 80	≥75	≥65	≥55
Bulk Density	≥2.75	≥2.65	≥2.5	≥2.3	≥2.2
Cold Compressive Strength (MPa)	≥70	≥70	≥70	≥65	≥60
Degree of fire resistance℃	≥1530	≥1510	≥1500	≥1460	≥1400
Apparent Porosity %	≤20	≤22	≤23	≤23	≤24

Applications:

•Industrial Furnaces: Refractory lining for high-temperature   heating equipment

•Kilns: Used in ceramic, metallurgy, and other industrial kiln systems

•Steel Industry: Applied in furnace linings and thermal equipment

•Glass Industry: Used in high-temperature furnace structures

•Petrochemical Industry: Provides refractory protection for thermal processing equipment 

Packaging & Shipping

We use standard industrial export packaging to ensure safe and reliable delivery. All products are securely packed with shockproof and moistur proof materials, suitable for long distance shipping.

Our Factory

Company Profile

About Shengjie Refractory

Shengjie Refractory was founded in 1971 and is headquartered in Luoyang City, Henan Province.
With over 55 years of history in the thermal insulation industry, we own 7 modern production bases and a professional R&D team, and continuously upgrade our advanced manufacturing equipment in strict accordance with international standards. Our annual production capacity of vacuum insulation panels(VIP) reaches 450,000 m².

We implement a strict quality management system and hold authoritative certifications such as ISO and CE.  Our 55 years of industry experience enable us to effectively control production costs and ensure product quality, while sufficient inventory guarantees on-time delivery. 

Our products are widely exported to global markets, including the United States, Germany, Mexico, India, Australia, Spain, Israel, Malaysia, Indonesia, Pakistan, Saudi Arabia, Canada and other countries, winning high recognition from international customers.

Exhibitions & Customer Visits

Shengjie Refractory actively participates in industry exhibitions, showcases our high-quality refractory products and advanced production technology, communicates face-to-face with global partners, and shares industry trends and technical insights. At the same time, we warmly welcome customers from all over the world to visit our factory for on-site inspection, witness our standardized production process and strict quality control system, and establish long-term and stable cooperative relations with us.

FAQ

Q1: Are you a manufacture or trader?
We are a professional manufacture with our own factory and production lines,focusing on production and quality control.We have 55 years of experience in this industry.

Q2: Do you provide free samples?
Yes,free samples are available, but the shipping fee will be charged.

Q3.Why choose Shengjie?
*Professional manufacturer since 1971
*10 production lines
*An annual output of nearly 100,000 tons and hundreds of employees
*Customized according to your requirements or drawings
*Inventory available for quick shipment

Q4.What's the MOQ of trial order?
No limit,and we can provide best advice based on your situation.

Q5. Do you accept OEM? 
A:Yes, we can do OEM. 

Q6.Does the product have a warranty period?
Yes, all our products come with a warranty period.The specific duration depends on the product. Please contact us for details.

Q7.Can we visit your company?
You are always welcome to visit our factory. We look forward to meeting you.