Reasons for woodworking glue to open
Reasons for woodworking glue to open: 1. Moisture content of the bonding substrate White latex is a water-soluble adhesive, and its bonding principle also relies on wood fibers to absorb the colloid and then integrate it. If the moisture content of the bonding material is greater than 12%, the bonding surface will reduce
urea formaldehyde resin powder uses
urea formaldehyde resin powder uses Plywood, wood veneer, bentwood furniture manufacturing, adding liquid glue to increase solid content, die forging, grinding wheel manufacturing, etc. Features of urea formaldehyde resin powder: Double grouping, easy to use, good bonding strength, excellent weather resistance, high temperature and normal temperature, it can be dissolved in water before
What is the danger of urea-formaldehyde resin?
What is the danger of urea-formaldehyde resin? Urea-formaldehyde resin contains formaldehyde. Everyone knows that methanol is harmful to the body. Does it have to be dangerous if it contains formaldehyde? . Based on current knowledge, specific to the floor, carpet, wardrobe board, curtain, wooden door, bed, mattress, latex paint and other places, all
What is the difference between PUR glue and hot melt adhesive?
What are the differences between PUR glue and hot melt adhesive as an adhesive? The full name of PUR glue is moisture curing reactive polyurethane hot melt adhesive. It is an adhesive without any solvent/solution. It does not require a drying process like solvent-based adhesives, and it will not cause environmental pollution or
How to use hot melt adhesive correctly?
How to use hot melt adhesive correctly? Sometimes customers will ask: "How to use hot melt adhesive?" Or it will be found that some customers are not standardized in the process of using hot melt adhesive, which will affect the bonding effect. Today we will explain how to use hot melt adhesive correctly.
Why doesn’t hot melt glue stick?
Why doesn't hot melt glue stick? Hot melt adhesive is a widely used adhesive in the industrial production process, but it is inevitable that it will not stick during the application process. So what are the reasons that affect the viscosity of hot melt adhesives? Mainly divided into the following three categories: 1.
How to judge whether the hot melt adhesive purchased is environmentally friendly?
How to judge whether the hot melt adhesive purchased is environmentally friendly? At present, the function and application of adhesives have received extensive attention, but the environmental protection issues of adhesives are often easily overlooked. Whether environmental protection has become a bottleneck for the further development of adhesives, and solving the problem of
What is EVA hot melt adhesive?
What is EVA hot melt adhesive? EVA hot melt adhesive is a 100% solid meltable polymer that does not need solvent, no water agent, which is light brown translucent or white after melting. The main component of hot melt adhesive, that is, the basic resin, is made of ethylene and vinyl acetate copolymerized
Can hot melt adhesive be reused?
Can hot melt adhesive be reused? Hot melt adhesives are widely used in electronic components, metals, wood, toys, furniture, handicrafts, ceramics, textiles, lampshades and other industries, all need hot melt adhesives. Someone asked before: Can hot melt adhesive be reused? If it can be used repeatedly, the economical utility is not particularly good.
How to choose the right edge sealing hot melt adhesive?
How to choose the right edge sealing hot melt adhesive? 1. Pass the bond strength The stickiness is the biggest mission of hot melt adhesive. Depending on the material, there may be some differences, but the general strength is 60-120 N/18mm. 2, the aesthetic requirements The edge of the furniture must be beautiful
industrial hot melt adhesives
What are the industrial hot melt adhesives? 1. Hot melt adhesive for fabric Mainly used for making shapes, shoes and hats. Clothing using the glue not only has a crisp and plump appearance, but also has the characteristics of being naturally flat after washing and can be worn without ironing. The shoes and
Why is hot melt adhesive not sticking?
Why is hot melt adhesive not sticking? There are several reasons for the poor adhesion of hot melt adhesives: 1. The hot melt adhesive needs to be glued according to the material. If the type of hot melt adhesive selected is wrong, the material cannot be bonded. 2. The melting temperature is not