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PUR Hot Melt Adhesive for Bonding Memory Foam and Outer Fabric in Composite Mattresses
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PUR Hot Melt Adhesive for Bonding Memory Foam and Outer Fabric in Composite Mattresses
| Place of Origin | Nantong, Jiangsu |
| Brand Name | JCC |
| Certification | Oeko-tex Certificate, ISO, ZDHC |
| Model Number | JCC-5040D |
| Document | PUR hot melt adhesive for t...0D.pdf |
Product Details
Material:
Polyurethane PUR
Curing Method:
Moisture Curing
Density:
1.05 G/cm³
Viscosity:
3500 MPa·s @90℃
Open Time:
＞ 30min
Suggest Operating Temperature:
90-120 ℃
Application:
Bonding Memory Foam And Outer Fabric In Composite Mattresses
Solid Content:
100%
Chemical Resistance:
Excellent
Heat Resistance:
High
Temperature Resistance:
High
Highlight:
PUR hot melt adhesive for memory foam
,PUR adhesive for composite mattresses
,hot melt adhesive for fabric bonding
Payment & Shipping Terms
Minimum Order Quantity
1000kg
Price
USD 2.0-5.0 /KG
Packaging Details
20kg barrel, 200kg barrel
Delivery Time
10-14 days
Payment Terms
T/T
Supply Ability
2000 tons/month
Product Description
PUR Hot Melt Adhesive for Bonding Memory Foam and Outer Fabric in Composite Mattresses
Product Specifications
| Attribute | Value |
|---|---|
| Material | Polyurethane PUR |
| Curing Method | Moisture curing |
| Density | 1.05 g/cm³ |
| Viscosity | 3500 mPa*s @90℃ |
| Open time | ＞ 30min |
| Suggest operating temperature | 90-120 ℃ |
| Application | Bonding Memory Foam and Outer Fabric in Composite Mattresses |
| Solid content | 100% |
| Chemical Resistance | Excellent |
| Heat Resistance | High |
| Temperature Resistance | High |
Product Overview
In the mattress industry, the demand for durable, high-performance adhesives has grown as manufacturers increasingly move towards creating composite mattresses. Composite mattresses typically consist of multiple materials—such as memory foam, springs, and fabric layers—bonded together to enhance comfort, durability, and support. One of the most critical aspects of this construction process is the adhesive that bonds the memory foam to the outer fabric layer, as it must provide both long-term durability and flexibility without compromising the mattress's comfort.
Key Advantages
- Superior Bonding Strength:
One of the key advantages of PUR hot melt adhesives is their exceptional bonding strength. When bonding memory foam, a material known for its density and elasticity, with the outer fabric of a mattress, a strong adhesive bond is necessary to prevent delamination or separation over time. PUR adhesives are designed to create a robust connection between these two dissimilar materials, ensuring the integrity of the mattress. - Flexibility and Durability:
PUR hot melt adhesives provide flexibility and can withstand the natural movement and compression of a mattress. This is particularly important for mattresses, which are subject to constant pressure and shifting as people sleep and move. The flexibility of PUR adhesives helps the bond endure over time, even when the mattress is regularly compressed or stretched. Additionally, PUR adhesives are highly resistant to temperature fluctuations, moisture, and aging, further extending the lifespan of the mattress. - Environmental and Safety Considerations:
PUR hot melt adhesives are more environmentally friendly compared to traditional solvent-based adhesives because they do not release harmful VOCs (Volatile Organic Compounds) during the application process. This is a key consideration for manufacturers looking to reduce their environmental footprint. Moreover, PUR adhesives are generally non-toxic and safe for use in consumer products like mattresses. - Efficient Application Process:
The use of PUR hot melt adhesives in mattress manufacturing can streamline the production process. These adhesives are typically applied using a hot melt applicator that ensures precise, controlled dispensing. Since PUR adhesives are reactive and cure quickly, manufacturers can achieve fast bonding without the need for additional curing equipment or extended drying times. This leads to more efficient production cycles and improved throughput. - Compatibility with Memory Foam and Fabric Materials:
Memory foam is a highly elastic, viscoelastic material that can be challenging to bond with conventional adhesives. PUR hot melt adhesives, however, are particularly well-suited for bonding foam to fabrics, as they provide a strong bond without compromising the foam's structure or comfort. Additionally, these adhesives work effectively with a variety of outer fabrics, such as polyester, cotton blends, or even knitted fabrics commonly used in mattress covers.
Application in Mattress Manufacturing
In the production of composite mattresses, PUR hot melt adhesive is typically used in the following steps:
- Adhesive Application:
The adhesive is applied to the surface of the memory foam or the outer fabric using a hot melt applicator. The adhesive is often applied in specific patterns, such as dots or lines, to ensure an even distribution of adhesive without excessive build-up. - Bonding:
Once the adhesive is applied, the foam and fabric layers are pressed together to form a bond. The PUR adhesive cures quickly, typically within minutes, by reacting with ambient moisture in the air. - Final Inspection:
After bonding, the mattress undergoes a quality check to ensure that the bond between the memory foam and outer fabric is secure and meets the required performance standards.
Challenges and Considerations
While PUR hot melt adhesives offer numerous advantages, there are certain factors to consider during their application in mattress manufacturing:
- Temperature Sensitivity:
Although PUR adhesives are known for their heat resistance, the adhesive application process still requires careful temperature control. The adhesive must be heated to the proper temperature before application to ensure it flows properly and adheres effectively. - Moisture Sensitivity:
As PUR adhesives react with moisture to cure, environmental factors such as humidity can influence the curing process. Too much or too little moisture in the air can impact the final bond strength. Manufacturers must control the production environment to achieve optimal results. - Initial Cost Considerations:
While the performance benefits of PUR hot melt adhesives are clear, they can be more expensive than traditional adhesive solutions. Manufacturers must weigh the initial investment costs against the long-term durability and performance benefits that these adhesives offer.
Packing and Storage
Unopened, it can typically be stored in a cool, dry place at 15-30°C for 6-12 months.
Once opened, use promptly and keep sealed or under nitrogen protection.
Packaging: 20kg or 200kg for one barrel.
Once opened, use promptly and keep sealed or under nitrogen protection.
Packaging: 20kg or 200kg for one barrel.
Frequently Asked Questions
Q: Is moisture protection necessary when using PUR hot melt adhesive?
A: Yes. PUR reacts with moisture, so it must be protected from excessive exposure to air humidity. Adhesive containers usually require nitrogen protection or a sealed dispensing system.
Q: Environmental and safety considerations?
A: Solvent-free with very low VOC emissions. Complied with oeko-tex certificate.
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