The ruling SWAPO Party retained power, offering promises on new infrastructure development and the refurbishing and upgrading of existing ones. On Dec. 3, 2024, Namibia concluded its presidential and parliamentary elections, which saw the ruling SWAPO Party retain power for the seventh time since independence in 1990, an uninterrupted winning streak that came with a … Continue reading
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. … Continue reading
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, … Continue reading
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 … Continue reading
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 … Continue reading
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 … Continue reading
Leading coatings manufacturers are seeing more interest in DIY projects and home renovations as opposed to new construction. The architectural paint and coatings market is the largest segment in the coatings industry, with estimates from MarketsandMarkets placing it at approximately $85 billion in 2023. Other estimates are fairly similar in terms of revenue. It is a market … Continue reading
1. Cellulose ether has a certain retarding effect on mortar. As the dosage of cellulose ether increases, the setting time of the mortar is extended. The retarding effect of cellulose ether on cement slurry mainly depends on the degree of substitution of the alkyl group. The smaller the degree of substitution of the alkyl group … Continue reading
According to a new study published by Knowledge Sourcing Intelligence, the tartaric acid market is projected to grow at a CAGR of 5.34% between 2025 and 2030 to reach US$419.490 billion in 2030. Tartaric acid plays a very significant role in different sectors as a naturally occurring organic acid. It is found predominantly in grapes and some … Continue reading
In the field of construction engineering, concrete is a widely used building material, and its performance is directly related to the safety and durability of the entire building structure. However, in cold regions or during winter construction, concrete frost damage often occurs, causing many problems in construction. A deeper understanding of the causes of concrete … Continue reading