PUR hot melt adhesives are a type of adhesive that is commonly used in industrial applications. PUR stands for polyurethane reactive, which refers to the chemical composition of the adhesive.
These adhesives are typically applied in a molten state and then solidify as they cool. They offer a number of advantages over other types of adhesives, including:
1. Strong bond: PUR hot melt adhesives create a strong and durable bond between materials. They can bond a wide range of substrates, including wood, plastic, metal, and foam.
2. Fast curing: PUR hot melt adhesives have a relatively fast curing time, allowing for quick assembly and production processes.
3. Heat resistance: Once cured, PUR hot melt adhesives have excellent heat resistance. They can withstand high temperatures without losing their bond strength.
4. Moisture resistance: PUR hot melt adhesives are resistant to moisture and can be used in applications where the adhesive may come into contact with water or other liquids.
5. Flexibility: PUR hot melt adhesives remain flexible even after curing, making them suitable for applications that require some degree of flexibility or movement.
6. Chemical resistance: These adhesives have good resistance to chemicals, making them suitable for applications where exposure to harsh chemicals is expected.
7. Environmentally friendly: PUR hot melt adhesives are considered to be more environmentally friendly compared to other types of adhesives. They do not contain solvents or volatile organic compounds (VOCs), making them safer to use and reducing the impact on air quality.
Overall, PUR hot melt adhesives are versatile and offer a range of benefits that make them suitable for a wide range of applications in industries such as packaging, automotive, construction, and woodworking.
Moisture Curing Pu Adhesive,Pu Glue For Textile,Waterproof Polyurethane Adhesive,Reactive Polyurethane Glue XUCHUAN CHEMICAL(SUZHOU) CO., LTD , https://www.xuchuanchem.com
**Product Details:**
- **Model No.:** DTVA Series
- **Function:** DDCV Double Lobe, NRVr Silence, SFCV Rubber Lobe, NRVz Silence, NRVG Silence
- **Sealing Form:** Bellows Globe Valve
- **Flow Direction:** Bidirectional
- **Standard:** GB (Chinese Standard)
- **Application:** Industrial Water Usage
- **Trademark:** DOTOP
- **Transport Package:** Wooden Crate Packaging
- **Specification:** Nominal Diameter (mm): DN20 to DN125
- **Origin:** China
- **HS Code:** 84813000
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**SS304 Wafer Cast Steel Flanged Check Valves for Marine**
These check valves are specifically designed for marine applications, offering reliable performance in harsh environments. They are suitable for use with sea water, fresh water, fuel oil, and steam (with a maximum temperature of 220°C). The valves are constructed using high-quality materials to ensure durability and long service life.
**Material Specifications:**
| Name | Material | Marks |
|--------------|------------------|-------------|
| Body / Cover | Cast Steel | ZG230-45 |
| Disc | Carbon Steel | Steel 25# |
| Seal Ring | Weld Stainless Steel | H2Cr13 |
**Technical Parameters:**
| Nominal Pressure (MPa) | Nominal Diameter (mm) | Applicable Medium |
|------------------------|------------------------|----------------------------------------|
| 1.0 | 65–125 | Sea water, Fresh water, Fuel oil, Steam |
| 1.6 | 20–125 | |
| 2.5 | 20–100 | |
**Packaging:**
We provide standard wooden crate packaging. For container shipping, we deliver the marine flanged valves directly to the port warehouse and load them into the container. Upon arrival at the destination port, forklift trucks will be required for unloading and moving the goods to the warehouse.
**Why Choose Us?**
a) We have long-term cooperation with CSIC (China Shipbuilding Heavy Industry Corporation), making us highly professional in the marine industry.
b) We offer samples for testing before confirming your order.
c) Once production is completed, our sales manager will accompany you for factory inspection.
d) Our sales team provides 18-hour online support, while engineers are available from 10:00 to 16:00 (GMT+8).
e) We have a long-term agreement with our manufacturer, ensuring competitive pricing.
f) Quality and price are equally important to us—we never compromise on quality.
**Visit Our Factory:**
**Exhibition:**
If you're looking for reliable, high-performance check valves for marine or industrial use, we are here to help. Contact us today for more information or to place an order.