The appearance of concrete is a visual representation of its quality. The evenness and luster of the concrete surface is of increasing concern to construction contractors and property owners, and their requirements are becoming more and more stringent. This has gradually become an important economic factor. Bleaching is the most common phenomenon on concrete surfaces… read more →

Dear industry colleagues and partners: At the beginning of the new year, everything is renewed. On the occasion of the Year of the Snake, Sidleychem is full of enthusiasm and sincerely invites you to participate in the upcoming grand opening of the Egypt Stitch & Tex exhibition! As an annual event in the textile industry,.. read more →

In 2025, the German representative of SIDLEY Chen was invited to participate in the Bonn University celebration. As a well-known university in North Rhine-Westphalia, the celebration of Bonn University brought together many guests from politics, academia, culture and the arts to welcome the new year. On the evening of the celebration, Prof. Dr. Birgit Ulrike.. read more →

Specific limitations Over the past few decades, concrete has become the main material in construction, especially in densely populated urban environments. Thanks to its low cost, ease of use and scalability, concrete has gradually replaced bricks, stone and wood. But it is not without problems. Sustainability First and foremost, it is far from a sustainable.. read more →

1.Raw materials The fineness modulus and silt content of sand must meet the requirements, and the water content should not exceed 6% during use. The sampling of sand must not take the surface layer and the oversize particles of the upper gravel, etc. must meet the requirements, especially the silt content (stone powder content). If.. read more →