Golden autumn, clear skies, and fragrant osmanthus. October brings not only crisp air but also the perfect season to embrace vitality and health. On October 25, 2025, Ruqinba Group organized a spirited running event titled “Run for Health, Run for Growth”, promoting the company’s culture of healthy

1. Surface Tension The contraction force per unit length acting on the surface of a liquid is called surface tension, expressed in units of N·m⁻¹. 2. Surface Activity and Surfactants The ability of a substance to reduce the surface tension of a solvent is referred to as surface activity, and substa

Nonionic surfactants refer to surfactants that do not ionize in aqueous solution. Their hydrophilic groups are mainly composed of oxygen-containing groups (typically ether and hydroxyl groups). The lipophilic part of the molecule is derived from higher fatty alcohols, alkylphenols, fatty acids, fatt

Polyaspartic polyurea resins represent a class of reactive oligomers derived from the Michael addition of dialkyl aspartates with secondary amines. Distinguished by their low viscosity, adjustable reactivity, and high functionality, these resins have become essential building blocks in modern polyur

Epoxy resins and polyaspartic polyurea resins​are widely used in industries ranging from construction to flooring and protective coatings. These advanced materials rely heavily on controlled curing conditions, especially temperature, to achieve their optimal performance. This article explores how temperature impacts the curing of epoxy and polyaspartic polyurea systems and introduces several product-specific solutions for managing these effects.

Rigid polyaspartic coatings, also known as polyaspartic polyurea coatings, are high-performance two-component systems formed by the reaction of aliphatic isocyanates with polyaspartic esters. Among various polyurea-based technologies, rigid polyaspartic coatings are the most widely used and technica

Introduction to Epoxy ResinsEpoxy resins are a diverse group of reactive polymers known for their strong mechanical properties, excellent adhesion, chemical resistance, and outstanding electrical insulation capabilities. Among these, Cycloaliphatic Epoxy Resin stands out due to its unique properties

Shenzhen Ruqinba Chemical Materials Co., Ltd. is pleased to announce the official launch of its new Class-A production workshop. Located in the company’s production base, the workshop covers an area of 2,000 square meters, equipped with advanced production facilities and technology to enhance manufacturing capabilities and product quality.

Join Ruqinba at the 2024 China International Surface Finishing Exhibition (SFCHINA), where over 270 exhibitors from 19 countries and regions will present the latest advancements in surface treatment technologies. This premier event offers technical exchange activities, such as forums, enabling indus

Polyaspartic resin is a type of polyurea that has gained popularity in various industrial and commercial applications due to its unique properties. However, concerns have been raised about the potential release of harmful fumes during its application and curing process. This article aims to explore