What standards do you have?

Our products meet the standards, such as ASTM, ASME, AMS, DIN, JIS etc. The third party testing is all available for us.

MLJ series is the best spinel refractory for cement burning zone and transition zone

Name: MLJ series is the best spinel refractory for cement burning zone and transition zone
Brand: Zibo Luzhong Refractory Co., Ltd.
SKU: 793030802

Shandong, ChinaZibo Luzhong Refractory Co., Ltd.

US$950.00-1,500.00

10 Tons

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

Refractoriness (℃)

1580< Refractoriness< 1770

Shape

Brick

Model NO.

MLJ

Application Area

burning and transition Zone in Rotary Kiln

Size

Customer Made

Bulk Density

2.9-3.0g/cm3

Apparent Porosity

16%

Tsr 950℃

100 Cycle

Rul

1700℃

CCS MPa

MGO

85-87

Standard

VDZ/ISO

Feature

Long Time Materials

Type

Refractory Material

Material

Magnesia-Hecynite

Transport Package

Pallet

Specification

MgO, Al2O3, SiO3, Fe2O3, CaO

Trademark

LZR

Origin

Shandong

HS Code

6902200000

Production Capacity

100000tons

Key features

High Alkali Resistance: Excellent resistance to alkali salt attack and clinker infiltration due to pure magnesia and fused alumina spinel.

Extended Service Life: Provides approximately 2 years of service life under high-temperature conditions in burning and transition zones.

Customizable Size: Size is customer-made to fit specific kiln working conditions and dimensions.

High Structural Strength: Features high cold crushing strength (65 MPa) and modulus of rupture for mechanical load resistance.

Professional Design Support: Offers whole package refractory linings design and efficient recommendations for kiln optimization.

Quality Certification: Products meet ASTM, ASME, DIN, JIS standards with third-party testing available from SGS or CNAS.

Established Manufacturer: Over 40 years of experience as a top 3 supplier in China with 200,000 t/a production capacity.

Company profile

$Zibo Luzhong Refractory Co., Ltd.$

Zibo Luzhong Refractory Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: OEM Service AvailableExport Year: 2002-04-01 CertifiedNearest Port: Qingdao PortAverage Response Time: >24h 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?

Yes, free samples are available, generlly speaking, the buyer shall bear all the delivery cost.

Q:How can you control your quality?

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?

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?

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?

We are a manufacture for more than 40 years history. And you are welcome to visit us.