About the Englau Group
With over 20 years of expertise in the abrasives industry, Englau Group designs, manufactures, and exports a comprehensive range of high-performance abrasive solutions — including bonded cutting and grinding wheels, flap discs, and coated sanding belts. Our products serve the demanding requirements of metalworking, structural fabrication, automotive manufacturing, and precision engineering, and are manufactured in strict accordance with the German EN 12413 standard — a globally recognized benchmark for abrasive tool safety and performance. Our application engineering team collaborates closely with customers to optimize formulations, select the most suitable specifications, and provide technical support that maximizes operational efficiency and tool life.
Englau Group also accepts OEM manufacturing orders, producing abrasive products under your brand. Fully customizable parameters — including grit size, bond type, wheel dimensions, abrasive material, backing type, hardness grade, wheel geometry, hole patterns, and color coding — ensure complete alignment with your product specifications and market requirements.
The Science Behind Aluminum Grinding
Aluminum’s unique material properties make it particularly prone to wheel loading — a condition where metal chips adhere to the abrasive surface, progressively reducing cutting efficiency and generating heat. During grinding operations, individual abrasive grains are subjected to continuous thermal and mechanical stresses as they engage the workpiece. These stresses cause the grain to crack or fracture in characteristic ways determined by its microstructure. Key grain properties — including hardness, heat resistance, and resistance to impact and shock — govern both the fracture pattern and the rate at which it occurs. Grains that fracture readily are classified as friable, while those that resist wear and maintain their form are classified as durable. The overall rate of grain fracture depends on the grain's microstructure and is correlated with several grain properties, including hardness and resistance to heat, impact, and shock. A grain that readily fractures and breaks down is called friable, and one that wears slowly is called durable.
Grain fracture is inherently self-sharpening — each fracture event exposes a fresh cutting surface, restoring the wheel’s cutting ability. In aluminum grinding applications, this mechanism is particularly valuable: as the grain fractures, the ejected fragments physically dislodge adhered aluminum chips, leaving a clean, sharp cutting point ready for the next pass. Englau Group’s aluminum-specific abrasive wheels are engineered to leverage this self-sharpening behavior, delivering consistent performance and extended wheel life without the need for waxes or lubricants.
Frequently Asked Questions
What is the difference between coated, non-woven, and bonded abrasives?
Coated abrasives have grains bonded to a flexible backing, such as paper or cloth. Non-woven abrasives embed grit within a three-dimensional nylon fiber structure for added flexibility and conformability. Bonded abrasives are solid tools, such as grinding wheels and cut-off discs, with grains consolidated into a rigid substrate.
What materials can Englau Group abrasives be used on?
Our full range of abrasive solutions is formulated for use on steel, stainless steel, aluminum, cast iron, titanium alloys, plastics, composites, coatings, and painted surfaces.
What grit sizes are available?
Our coated and nonwoven abrasive products are available in a wide range of grades and grit sizes to meet specific application requirements. Typical grit sizes offered include P36 to P1200 for coated abrasives and medium to ultra-fine grades for nonwoven materials, covering most common needs from heavy stock removal to fine finishing. For specialized applications or the full range of available sizes, please contact us for our complete product specification sheet.
Are your products certified to international standards?
Yes. All Englau Group abrasive products are manufactured in strict accordance with the German EN 12413 standard, one of the most stringent quality certifications in the global abrasives industry. This standard governs safety and performance requirements for bonded abrasive tools, guaranteeing structural integrity, operational safety, and uniform quality across our product range.
Can I request product samples or technical datasheets?
Yes. We welcome sample requests and can provide detailed technical datasheets for all product categories. Please contact our team directly with your product requirements, and we will respond within 3–5 business days.
Does Englau Group offer application-specific or custom formulations?
Yes. With over 20 years of experience, we develop market-specific and application-optimized formulations tailored to customers’ unique usage conditions and performance requirements.
Do you accept OEM orders and private label manufacturing?
Yes. Englau Group supports full OEM manufacturing and can produce our complete range of abrasive products under your brand, with custom labeling, packaging design, and product specifications tailored to your market requirements. The minimum order quantity is 1,000 pieces per item.
For technical inquiries, product specifications, sample requests, or OEM discussions, please contact Englau Group directly:
Mr. Eric Lau
President, Englau Group Co., Limited
Room 1205, 12/F, 130-132 Des Voeux Road Central, Hong Kong
Phone: +86 137 7034 5768
Email: eric.twintrade@gmail.com
