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Luzhong DDR30 low thermal conductivity anti-spalling bricks for cement safety and preheating zone
US$550.00-1,100.00
10 Tons
Sample price:US$5.00/piece.Request sample
Product profile
Customization
AvailableFeature
Long Time MaterialsRefractoriness (℃)
1580< Refractoriness< 1770Model NO.
DDRShape
BrickApplication Area
Preheating Zone in Rotary KilnSize
Customer MadeBulk Density
2.1-2.2g/cm3Apparent Porosity
16%Tsr 950℃
16cycleRul
1300CCS MPa
57Type
Refractory MaterialMaterial
Alumina BlockTransport Package
PalletSpecification
Al2O3, SiO3, Fe2O3,Trademark
LZROrigin
ShandongHS Code
6902200000Production Capacity
100000tonsKey features
Alkali-Resistant Protection: New synthesized materials form a glaze layer to avoid alkali corrosion and spalling.
Low Thermal Conductivity: Decreases shell temperature, heat loss, and energy consumption significantly.
Low Bulk Density: Reduces kiln shell load, mechanical stress, and material purchasing costs.
Stable Volume Performance: Small thermal expansion ensures a working life of over 3 years.
High Mechanical Strength: Excellent resistance to thermal shock and chemical attack from alkalis and slags.
Customizable Sizes: Sizes are customer-made to meet specific requirements for various service conditions.
Professional Design Service: Whole package refractory linings design and efficient recommendations provided.
Quality Assurance: Complete QC system with authority institute test reports (SGS or CNAS) available.
Company profile

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: OEM Service AvailableExport Year: 2002-04-01 CertifiedNearest Port: Qingdao PortAverage Response Time: ≤18h CertifiedTerms of Payment: LC, T/T
AI-Powered supplier vetting
SummaryZibo Luzhong Refractory Co., Ltd. is identified as a Chinese manufacturer of refractory materials, operating from a 32,000 m² plant in Zibo, Shandong. The supplier reports 7 production lines, 21–30 quality-control staff, annual refractory output of 120,000 tons, and 186 employees. It holds ISO9001:2008, ISO14001:2004, and OHSAS18001:2007 certifications. The company offers refractory bricks and castables, serves domestic, European, and North American markets, and reports export activity since 2002. Its production scale and management certifications are supported by the provided data. However, evidence is insufficient to assess after-sales service, customization capability, and broader customer-case performance. Innovation claims are present but limited to stated product descriptions.
Supplier typeThe supplier is explicitly classified as a factory and manufacturer, with the legal name Zibo Luzhong Refractory Co., Ltd. and a limited-company structure in China.
CertificationsThe supplier reports ISO9001:2008, ISO14001:2004, and OHSAS18001:2007 certificates, covering quality, environmental, and occupational health and safety management systems.
R&D capabilityThe supplier describes an energy-saving brick and an LTC anti-spalling brick as an invention claimed to be worldwide-first, and identifies specialized refractory products for cement kilns. These statements support some product innovation, although no patents, R&D investment, or validation data are provided.
Production capacityThe supplier reports a 32,000 m² manufacturing plant, 7 production lines, 21–30 quality-control staff, 186 total employees, and refractory output of 120,000 tons. A separate company overview states total production capacity of 200,000 tons per year for the group; together, the data indicate substantial production capability, though the two output figures refer to different scopes.
Product Q&A
Q:Do you provide free samples?
A:
Yes, free samples are available, generally speaking, the buyer shall bear all the delivery cost.
Q:How can you control your quality?
A:
For each production processing, LZR have complete QC system for the chemical composition and Physical properties. After production, all the goods will be tested, and the quality certificate will be shipped along with goods.
Q:What is your lead time?
A:
Delivery Time: (1) Peak time(Nov 1st-Feb 15th next year) Within 60 days from the date of receiving the advance payment (2) Normal time (Feb 16th-Oct 31th) Within 30 days from the date of receiving the advance payment
Q:What is your payments terms?
A:
We can accept 30% deposit, 70% balance to be against the BL copy or by LC, or other payment terms.
Q:Are you a trading company or manufacturer?
A:
We are a manufacture for more than 40 years history. And you are welcome to visit us.
Send Inquiry
*To:
Zibo Luzhong Refractory Co., Ltd.
Zibo Luzhong Refractory Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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