Foshan Raywin New Materials Co., Ltd

Polyurethane (PU) adhesive   is renowned for its exceptional bonding capabilities and versatile applications across industries. A critical factor in its usage is the grab time, which refers to the time it takes for the adhesive to achieve initial bonding strength after surfaces are joined. This article delves into the intricacies of PU adhesive's grab time, shedding light on the factors influencing it and how it impacts different applications. Factors Influencing Grab Time The grab time of PU adhesive can vary based on several factors: Formulation and Chemistry Different  PU glue  formulations have varying chemical compositions, which directly affect their grab time. Formulations designed for fast curing might have shorter grab times, while those optimized for extended working times might have longer grab times to accommodate intricate assembly processes. Ambient Conditions Environmental factors, such as temperature and humidity, play a significant role in PU adhesive's g...

PUR (Polyurethane Reactive) hot melt adhesive   is a versatile and innovative adhesive technology used in various bonding and sealing applications. In this article, we will explore how PUR hot melt adhesive works, its unique properties, and its applications in diff erent industries. Understanding PUR Hot Melt Adhesive Description : PUR hot melt adhesive is a thermoplastic adhesive that becomes reactive when exposed to moisture, forming a strong and durable bond upon curing. Activation : Unlike traditional hot melt adhesives, PUR hot melt adhesive requires moisture to trigger the curing process. When exposed to moisture, the adhesive undergoes a chemical reaction that leads to cross-linking, creating a robust bond. Bonding Mechanism :  PUR hot melt adhesive  creates a mechanical and chemical bond with the substrate. The adhesive sees into the substrate's pores, creating an interlocking effect that enhances adhesion. Additionally, the chemical reaction results in a permanen...

Matting powder, also known as leather matting agent, is a specialized additive used in leather finishing processes to achieve desired visual and tactile effects. In this article, we will delve into the world of   matting powder for leather , exploring its functions, and benefits for enhancing the aesthetics and durability of leather products. Matting powder is a finely ground material, often composed of synthetic silica particles or other substances, that is applied to the surface of leather to alter its shine and texture. Functions: Matte Finish : Matting powder imparts a matte or satin finish to leather, reducing its glossiness and creating a sophisticated, non-reflective appearance. Texture Enhancement : Matting powder can alter the tactile sensation of leather, adding a soft and velvety texture that enhances the overall feel of the product. Abrasion Resistance : Matting powder contributes to the leather's abrasion resistance, prolonging the lifespan of the product. Benefits of ...

In the world of printing and finishing,  UV roller varnish  has emerged as a game-changing solution for achieving superior print quality and enhancing the durability of various printed materials. From magazines and brochures to packaging and labels, UV roller varnish offers a range of benefits that make it a popular choice in the printing industry. In this comprehensive article, we explore the wonders of UV roller varnish and how it elevates the printing process to new heights. What is UV Roller Varnish? UV roller varnish, also known as  UV-curable roller varnish , is a specialized coating applied to printed surfaces using a roller system. This varnish contains photo-reactive compounds that react to ultraviolet (UV) light exposure, leading to rapid curing and solidification of the coating. The UV curing process transforms the liquid varnish into a tough, protective layer with enhanced properties. Advantages of UV Roller Varnish Instant Curing: UV roller varnish cures inst...

Polyurea is a type of elastomer formed through the chemical reaction of isocyanates and amine-terminated resins. This reaction occurs within seconds of mixing, resulting in a rapid curing process that sets polyurea apart from other coatings. Properties of Polyurea Coating Fast Curing:  Polyurea coating  cures rapidly, allowing for quick application and reduced downtime for surfaces. Durability: The cured polyurea layer exhibits remarkable durability, with excellent resistance to abrasion, impact, and chemical exposure. Flexibility: Polyurea coatings remain flexible even at low temperatures, adapting to substrate movements and preventing cracks and delamination. Seamless Application: Polyurea can be applied seamlessly to create a continuous, uniform protective layer. UV Stability: UV-resistant polyurea coatings retain their color and properties, making them suitable for both indoor and outdoor applications. Protective Solutions for Metal Surfaces Corrosion Protection One of the...

In the world of construction and DIY projects, finding reliable and efficient bonding solutions is crucial. Whether you're working on a home renovation or a professional construction project, the quality of adhesive products can make all the difference. That's where nail-free adhesive comes into the picture. In this comprehensive article, we will explore the many benefits and applications of   nail free adhesive , providing you with a complete understanding of why it has become the go-to choice for individuals and professionals alike. But first, let's start with a brief overview. What is Nail-Free Adhesive? Nail-free adhesive, also known as  no nail adhesive  or bonding glue, is a revolutionary product that offers a strong, durable, and efficient alternative to traditional fastening methods such as nails, screws, and bolts. It is specifically designed to bond a wide range of materials together, including wood, metal, plastic, ceramic, and more. The adhesive comes in vario...

PU clear varnish , also known as polyurethane clear varnish, is a type of protective coating that provides a transparent and glossy finish to various surfaces. It is a popular choice for enhancing the appearance and durability of wood, metal, plastic, and other materials. PU clear varnish is composed of polyurethane resins, which give it excellent adhesion, hardness, and resistance to wear and tear. Polyurethane is a versatile polymer that is widely used in various industries due to its exceptional properties. In the context of clear varnishes, polyurethane forms a protective layer that shields the underlying surface from damage caused by moisture, UV radiation, chemicals, and physical abrasion. It acts as a barrier, preventing the degradation of the material and extending its lifespan. One of the key advantages of PU clear varnish is its clarity. When applied correctly, it dries to a transparent and glossy finish, allowing the natural beauty of the substrate to shine through. This mak...