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 ...