Tungsten Carbide Round Cutting Knife For Corrugated Cardboard

What is carbide?

Carbide consists of composite materials whose carbide elements are bound by a binding agent.

The carbide content lies between 85 and 88 %, with a grain size from 0.7 to 3,5 µm.

The basic structure of carbide consists of tungsten carbide (WC) and cobalt (Co), which create different

carbide grades depending on their exact composition. Tungsten carbide also forms the hard phase,

while cobalt serves as a binder in the overall structure.

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Corrugated cutting blades are manufactured with a unique mirror finish that allows razor cutters to run coolers with less drag and run cleaners with less starch accumulation. When customers have specific needs, our corrugated cutting blades can be

Customize according to customer requirements. And, because we have extensive industry knowledge, our customers are confident that our carbide shaver cutters will do an exemplary job every time.

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Features and Advantages

Our high-tech tungsten carbide razor blades have been successfully used in many corrugated board production plants around the world. Choosing the best composition of tungsten and cobalt and the best grain size, our razor blades achieve longer life, in corrugated cutting, compared to the average life of european-made blades increased by 1 million meters.

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Libre is one of the first companies which started development and production of wear-resistant materials. It involves in the research and development of tungsten carbide material, the production of carbide industrial knives and blades and tobacco machinery spare parts. 

Libre has over 20 years' experience of making carbide industrial knvies, specializied in slitting blades. Half of our products are for exportation. We have the ability to cater to requests from customers of different countries. Our "Libre" brand industrial knives take a leading position in both domestic and overseas markets where slitting is required. 

Based in China and located in Chengdu City, we become a factory specialized in carbide slitting blades of comprehensive product category, striving to provide global customers more convenient, faster, stabler services and quality products. 

We keep oursevles at the world-class level by bringing in advanced CNC center and quality checking equipments, hiring high-tech talents to ensure the product quality. We not only develop Chinese market, but also want to have a share of the global market, and provide better and abundant spares and services.