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Mar 14, 2025
Hangzhou Topwin, with Fujian Wynca, participated in PU TECH ASIA 2025, which was held in Thailand from March 12 to 14, 2025. The company showcased its latest technologies and products.
Mar 13, 2025
Solventless-type silicones are considered an excellent choice for environmental protection due to several key characteristics that make them both eco-friendly and high-performance. Here's why they are a great option:
Mar 13, 2025
Sincerely welcome to visit Topwin PU Tech Expo 2025 for polyurethane communication
Exhibition Time: March 12 - 14, 2025
Exhibition Hall: Bangkok, Thailand
Venue: Hall 101, BITEC - Bangna
Booth No.: T9
Mar 12, 2025
Parker offers a broad selection of hydraulic pumps designed for various applications, from low-pressure mobile equipment to high-pressure industrial machinery.
Feb 26, 2025
Silicones, semiorganic polymers composed of silicon atoms interspersed with oxygen atoms and methyl groups attached to the silicon atoms, exhibit a basic polymer structure known as polydimethylsiloxane.
Feb 26, 2025
Performance testing was conducted on the cured product of the epoxy matrix resin in this embodiment, cured at 120 °C for 2 hours, using the methods and parameters recorded in specific embodiment 1. The test results are as follows:
Feb 26, 2025
The core-shell polymer is composed of a soft core of polybutadiene rubber and a hard shell of polymethyl methacrylate.
Feb 26, 2025
WynCoat® is our brand of silicone-based agents, polydimethylsiloxane modified-PDMS for painting and inks.
Feb 26, 2025
Silicone coating leveling agents are additives used in paint and coating formulations to improve the uniformity and smoothness of the applied film. They work by reducing surface tension gradients within the coating, which helps to minimize surface defects and achieve a more consistent appearance.
Feb 26, 2025
Pest management is a critical aspect of crop production, requiring careful consideration to ensure effective control while minimizing harm to crops, humans, and the environment. In this pursuit, the use of pesticides often encounters barriers such as waxy cuticles on plants and protective exoskeletons on insects.
Feb 26, 2025
Polyesters are versatile polymers formed from a combination of dicarboxylic acids and diols. Their diverse applications depend on their production method and the resulting molecular arrangement.
Feb 26, 2025
Anti-scratch, abrasion-resistant, and slip additives find applications in various industries and products where protection against scratching, wear, and slipping is desired. Here are some common applications:
Feb 26, 2025
The fundamental structure of organic silicone resin comprises two main components: polysiloxane and organic polymer. This hybrid material inherits the qualities of both pure silicone resin and organic resin.
Feb 26, 2025
Release coatings are used to create non-stick surfaces on various substrates, enabling easy separation of adhesives, foods, and other materials. Emulsion release coatings and silicone release coatings are two common types of these coatings, each with distinct properties, advantages, and applications.
Feb 26, 2025
WynPUF® is the brand name for polyurethane foam additives, with XH-2950 being a specialized silicone surfactant designed for flexible foam applications.
Feb 26, 2025
WynCoat* SE-4251 is a specialized additive designed to enhance the performance of both water-based and solvent-based coating systems. It is an 80% active dispersion of a very high molecular weight polydimethylsiloxane (PDMS) gum, renowned for its beneficial properties in various industrial applications.
Feb 26, 2025
The main chain of organosilicon is highly flexible due to its basic geometric molecular structure. The intermolecular forces between its molecules are much weaker compared to similar compounds, resulting in lower viscosity, weaker surface tension, lower surface energy, stronger film-forming ability, and excellent anti-adhesion and demolding properties.
Feb 26, 2025
Welcome to visit Top Win on PU China 2023 Booth No. 110
Feb 26, 2025
Silicone surfactants are essential components in the production of high resilience (HR) foam, particularly polyurethane foam. They offer several advantages and applications due to their unique chemical properties. Here are some of the key applications of silicone surfactants in high resilience foam:
Feb 26, 2025
Zhejiang Xinan Chemical Industrial Group Co., Ltd. (known as Wynca Group) was established in 1965, and listed in Shanghai Stock in Sept. 2001.
Feb 26, 2025
Silicone resin boasts exceptional properties, including heat resistance, cold resistance, moisture resistance, hydrophobicity, and weather resistance. As a result, it is widely utilized in the special coatings industry, particularly as a base for silicone coatings
Feb 26, 2025
Silicones are semi organic polymers consisting of silicon atoms alternating with oxygen atoms with methyl groups attached to the silicon atoms. The basic polymer structure is polydimethylsiloxane.
Feb 26, 2025
Superfine fiber synthetic leather, often referred to as microfiber leather or synthetic suede, is known for its soft texture, durability, and versatility. The additives used in its production can enhance its properties, such as softness, breathability, and resistance to wear and tear.
