LUCA Chemicals

Sichuan Lujia Sitong Technology Development Co., Ltd.

A leading manufacturer of high-performance concrete admixtures, delivering reliable solutions for infrastructure and construction projects worldwide.

LUKE Chemicals

Sichuan Lujia Sitong Technology Development Co., Ltd.

A leading manufacturer of high-performance concrete admixtures, delivering reliable solutions for infrastructure and construction projects worldwide.

Strong Production Capacity

Modern manufacturing facilities covering over 15,000㎡, supporting an annual production capacity of 75,000 tons to meet large-scale project demands.

International Certifications

Fully compliant with EU REACH and ISO standards, ensuring consistent quality, safety, and regulatory reliability.

Advanced Equipment

Equipped with DCS and SIS intelligent control systems, delivering stable production, precise control, and superior product consistency.

Premium Solutions

High water reduction rate and high slump retention; widely applicable to various dry-mix mortars and conventional concrete systems.
Appearance: White Powder

Ultra-high water reduction rate; significantly improves density and strength; ideal choice for UHPC and high-strength systems.

Appearance: White Powder

Excellent gypsum adaptability; significantly enhances the flowability of cement-based and gypsum-based materials.

Appearance: White Powder

Outstanding gypsum dispersion and heat resistance; improves early strength and later strength; reduces mixing time.

Appearance: White Powder

Stabilizes flowability for 0.5 to 3 hours; addresses slump loss caused by high environmental temperature or poor-quality aggregates.

Appearance: White Powder

Utilizes “slow-release” technology to provide continuous dispersion in alkaline environments without affecting setting time.

Appearance: White Flakes

Unmatched Quality Control & Assurance

Sichuan Lujia applies advanced production automation and strict quality management systems to ensure stable performance and regulatory compliance across all products. Our ISO- and REACH-compliant concrete admixtures are manufactured under controlled processes to deliver consistent quality and dependable results for every project.

ISO & REACH Certified

Compliance with international standards to ensure product safety

Risk Reduction

Strict quality control procedures minimize variability

Consistent Performance

Automated production and standardized testing guarantee reliable

COMPANY CULTURE

Enterprise Philosophy

To create, share.Luke share the philosophy, we gain a competitive advantage of mode of thinking, it included an enterprise to see their relationship with customers: customer success is Luke's success

Business Philosophy

Professional quality shows, science and technology to create value.Focus, Luke is in the industry to win another advantage:10years focused on the development of concrete admixture products

Honesty

Honesty is the way with the founding of the country, is the road into the action of the first criterion:Honesty, and trustworthiness -- enterprise between members of the respect and trust should be the enterprise employee agree a concept and responsibility.

Applications & Industries

Empowering construction with innovative solutions and reliable performance.

Environmental Protection

Through self-pressurization, self-motivation, and self-discipline, Luke has transformed the traditional perception that the chemical industry equals pollution.

The company actively demonstrates its commitment to environmental protection and social responsibility by promoting sustainable development and harmony with nature.

Luke adopts highly eco-friendly production processes, achieving zero liquid discharge during production. A constant-pressure water supply system ensures that 100% of production water is recycled, while high-temperature cooling water is collected for reuse.

Energy-saving measures, such as photoelectric-controlled lighting in office and living areas, further reduce electricity consumption.

Qualification honor

Certificate 1 Certificate 2 Certificate 3 Certificate 4 Certificate 5 Certificate 6 Certificate 7

Frequently Asked Questions

1. What are concrete admixtures used for?
Concrete admixtures are added to concrete mixes to improve performance such as strength, workability, waterproofing, durability, setting time, and crack resistance. They help achieve better construction quality and efficiency under different project conditions.
Yes. Our products are compatible with most types of cement, aggregates, and conventional concrete mix designs. Technical support is available to ensure optimal performance for your specific application.
Yes. Each product is supplied with a detailed Technical Data Sheet including dosage, application guidelines, storage conditions, and safety information.
Absolutely. We offer free product samples for testing and evaluation. Samples are typically 200–600g depending on the product type.
Dosage varies depending on the product and application, usually ranging from 0.5% to 2% by cement weight. Exact recommendations are provided in the product TDS.
Yes. Our technical team can adjust formulations based on your project requirements, climate conditions, and performance goals.
Standard packaging is 25kg bags, with palletized options (500kg–600kg) and customized packaging available upon request.
Most products have a shelf life of 12 months when stored in a dry, cool, and sealed environment.

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