There are several types of adhesives that are commonly used for flexible packaging. Some of the most popular options include:
1. Hot melt adhesives: These adhesives are thermoplastic materials that are melted and applied in a liquid state. They solidify upon cooling and provide strong bonds. Hot melt adhesives are often used for sealing bags, pouches, and other flexible packaging materials.
2. Solvent-based adhesives: These adhesives contain a solvent that evaporates upon application, leaving behind a strong bond. They are commonly used for laminating flexible packaging materials together.
3. Water-based adhesives: These adhesives are made from water as the main solvent. They are eco-friendly and commonly used for bonding paper, cardboard, and other porous materials in flexible packaging.
4. Pressure-sensitive adhesives: These adhesives bond instantly upon contact with the substrate. They do not require heat or solvent activation and offer excellent adhesion to a wide range of materials. Pressure-sensitive adhesives are commonly used for labels and tapes in flexible packaging.
When selecting an adhesive for flexible packaging, it is important to consider factors such as the specific materials being bonded, the required bond strength, and any specific application requirements. It is recommended to consult with adhesive manufacturers or suppliers to determine the most suitable adhesive for your specific needs.
Flexible Package Adhesive,Adhesive For Packing,Good Use Flexing Package,Package Non-Solvent Adhesive XUCHUAN CHEMICAL(SUZHOU) CO., LTD , https://www.xuchuanchem.com
Basic Product Information:
Product Name
Hot Sale Handwheel Stop Check Valve for Marine Applications (Ammonia/Freon Systems)
Nominal Pressure
4.0 MPa
Test Pressure
6.0 MPa
Temperature Range
-50°C to +150°C
Suitable Media
Ammonia, Freon, and similar refrigerants
Size (Inch)
3/4", 1", 1-1/4", 1-1/2", 2", 2-1/2", 3", 4", 5", 6", 7"
DN (Diameter)
DN32, DN40, DN50, DN65, DN80, DN100, DN125
Company Information We are a professional manufacturer of refrigeration valves, including ammonia valves, Bitzer, Carrier, and Copeland compressor service valves since 2011. We have CE and ISO9001 certifications. Our products are exported to Chile, Vietnam, Mexico, Iran, and other countries. 
Frequently Asked Questions
1. What is your minimum order quantity?
20 pieces
2. Are you a factory?
Yes, we are a factory with our own production line.
3. What is your delivery time?
We have stock available, or it takes about 15 working days for custom orders.
4. Do you offer discounts?
Yes, we provide different discount rates based on the order quantity.
5. Shipping Options
By sea or by air
6. Payment Methods
T/T, L/C, Western Union
Other Refrigeration Valves:
Application:
This handwheel stop check valve is widely used in marine applications, especially in ammonia and freon refrigeration systems. It is ideal for controlling the flow of ammonia in cold storage pipelines and refrigeration equipment. The valve is operated manually via the handwheel, ensuring precise control and reliable performance under various conditions.
Model No.: Handwheel Stop Check Valve
Export Countries: Chile, Bolivia, Mexico, Vietnam, Iran, and more
Weight: 3.87kg per piece
Connection Type: Butt Welding
Test Pressure: 6.0MPa
Brand: Dofun
Packaging: Carton, Wooden Crate, or Pallet
Material: Forged Steel
Origin: China
HS Code: 8481804090