Hot Melt Adhesive Fabric And PU Film

 

Leather, a classic and widely used material in various industries such as footwear, luggage, and clothing, has always required reliable bonding methods to create high-quality products. Hot melt adhesive film has emerged as an excellent choice for leather bonding, offering numerous advantages over traditional glues and bonding techniques.

 

 

Product model	WT-216	WT-236	WT-51
Hardness	70A	86A
Softening point(Ring and Ball)	120℃	150℃	130±5℃
Melt Flow Index	15-20g/min
Thickness (mm)	0.05-0.3	0.05-0.3	0.05-0.3
Width (mm)	20-1500	20-1500	20-1500
Length (yd)	100-500	100-500	100-500
Hot pressing time(S)	3-10	5-15	5-15
Hot pressing temperature(℃)	120-130℃	160-180	140-150
180 degree peel strength	>50N	>50N	>70N
Washing with water (40℃)	OK	OK	OK
Application area	Splicing of waterproofing membrane, Rubber glue for foaming EPDM rubber, Decoration of automobile seals

 

 

Strong Bonding Strength: Hot melt adhesive films, especially those made of TPU (Thermoplastic Polyurethane), exhibit remarkable adhesion to leather materials. Once the film is melted and pressed onto the leather surface, it forms a firm and durable bond, ensuring that the leather layers stay attached even under stress or frequent use. For example, in the production of high-quality leather shoes and bags, TPU hot melt adhesive film can maintain the integrity of the product for a long time, preventing delamination and ensuring the product's quality and durability.

 

Soft and Flexible: TPU hot melt adhesive film has excellent flexibility and elasticity, which allows it to perfectly conform to the shape of the leather surface, whether it's flat or curved. After bonding, the leather product retains its natural softness and flexibility, providing a luxurious touch and comfortable user experience. This is particularly important in applications where the feel of the leather is crucial, such as in leather upholstery for cars and high-end furniture.

 

Environmental Friendliness: In today's era of increasing environmental awareness, the environmental advantages of hot melt adhesive film are significant. Unlike solvent-based adhesives that release harmful volatile organic compounds (VOCs) during use, hot melt adhesive film is solvent-free and does not produce any toxic gases or chemical residues, making it a green and sustainable bonding option. This not only protects the environment but also ensures the health and safety of production workers and end-users.

 

Efficiency and Cost-Effectiveness: The application process of hot melt adhesive film is relatively simple and efficient. It can be quickly melted and adhered to the leather by heating, and the curing time is short, which greatly shortens the production cycle. Moreover, the use of hot melt adhesive film can reduce material waste and labor costs, especially when combined with automated production equipment, further improving production efficiency and reducing overall production costs.

 

 

Footwear Industry: In the production of shoes, hot melt adhesive film is widely used for bonding leather uppers, soles, and insoles. It can replace traditional sewing and gluing methods, making the shoes more seamless and beautiful, while also improving the comfort and durability of the shoes. For example, many sports shoes and casual shoes now use hot melt adhesive film to bond the leather upper and sole, which not only simplifies the production process but also makes the shoes more breathable and wearable.

 

Luggage and Bag Industry: For luggage and bags, the bonding of leather materials is crucial to ensure the quality and appearance of the product. Hot melt adhesive film can be used to bond different parts of the leather, such as the body, handles, and straps, making the product more durable and aesthetically pleasing. The strong bonding strength of the adhesive film can withstand the weight and stress of the luggage during use, ensuring that the product does not fall apart.

 

Furniture Industry: In the furniture industry, leather is often used for upholstery and decoration. Hot melt adhesive film can be used to bond the leather to the furniture frame or padding, ensuring a firm and flat attachment. The flexibility of the adhesive film allows the leather to maintain its natural texture and softness, enhancing the comfort and luxury of the furniture.

 

Leather Surface Preparation: Before Hot Melt Adhesive Film use for Leather, it is necessary to clean the leather surface thoroughly to remove dirt, grease, and other contaminants, as these can affect the adhesion of the adhesive film. A damp cloth and mild detergent can be used for cleaning, followed by drying with a dry cloth to ensure the surface is completely dry and clean.

Adhesive Film Selection: Different types of hot melt adhesive films have different properties and are suitable for different leather materials and applications. For example, TPU hot melt adhesive film for bonding synthetic leather is suitable for most leather materials and offers good flexibility and adhesion, while polyamide hot melt adhesive film may be more suitable for applications requiring high temperature resistance and impact resistance. It is important to select the appropriate adhesive film based on the specific requirements of the leather product.

Bonding Conditions: The bonding temperature, pressure, and time are important factors that affect the quality of the bond. The appropriate bonding conditions need to be determined according to the type of adhesive film and the thickness and texture of the leather. Generally, the bonding temperature is between 100°C and 180°C, and the pressure and time should be adjusted according to the actual situation to ensure a good bond.

In conclusion, TPU hot melt adhesive film has become an indispensable bonding material in the leather products industry, offering a combination of strong bonding, softness, environmental friendliness, and efficiency. As technology continues to advance, we can expect further improvements and innovations in hot melt adhesive film for leather bonding, bringing more high-quality and sustainable leather products to the market.

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