Aluminum-plastic door and window sealing strips 

The aluminum-plastic window sealing strip is a specialized sealing material designed for aluminum-plastic windows. It is used to seal the gap between the window frame and the glass, ensuring the airtightness, sound insulation, and water resistance of the windows. The sealing strip is usually made of materials such as rubber, silicone, and polyurethane, and has excellent elasticity and durability. 

Specification

Material: Rubber, silicone, polyurethane, etc.
Size: Customized according to the model and size of the door and window. Common sizes include a width of 5mm or 20mm, and a thickness of 3mm - 10mm. The length can be customized as needed.
Surface treatment: Smooth surface or textured surface to enhance sealing effect. Color: Black, gray, or customized according to customer requirements. 

Quality Inspection: 

To ensure product quality, the following quality control measures are usually adopted:
Material inspection: Conduct strict inspections on the purchased materials to ensure that their quality meets the standards.
Production process control: Strictly follow the production process flow to ensure that each step complies with the quality requirements.
Finished product inspection: Conduct inspections such as appearance checks and size measurements on the finished products to ensure that the quality meets the standards.
Performance testing: Conduct performance tests, including high and low temperature resistance, aging resistance, etc., to ensure that the product can be used normally under various conditions. 

Functional Features: 

Sealing and waterproofing: The sealing strips of aluminum-plastic doors and windows can effectively prevent rain, dust and foreign objects from entering the room, keeping the interior dry and clean.
Sound insulation and vibration reduction: The elastic material of the sealing strips can absorb and isolate external noise and vibrations, improving the quietness of the interior.
Environmentally friendly and durable: Made of environmentally friendly materials, they have good durability and long-term stability, and are not prone to aging or deformation. 

Installation method: 

Built-in installation: Insert the sealing strip directly into the sealing groove of the door and window frame to ensure a tight fit and achieve a sealing effect.
Adhesive installation: Some of the sealing strips have self-adhesive glue on the back, which can be directly attached to the surface of the door and window frame, making it simple and quick. 

Notes:

Installation location: Based on the structure and design of the door and window frame, select an appropriate installation position to ensure that the sealing strip can be fully adhered and perform its sealing function.
Cleaning and maintenance: Before installation, clean the surface of the door and window frame to ensure it is clean, free of oil stains and dust. Regular cleaning and maintenance can extend the service life of the sealing strip.
Regular inspection: Regularly inspect the sealing strip for any damage, aging or deformation. If any problems are found, replace it promptly to ensure the sealing effect. 

FAQ

Will the sealing strip fail under high-temperature conditions?
- The aluminum-plastic window sealing strips are usually made of materials that can withstand high temperatures, and they can maintain good elasticity and sealing performance under such conditions. Therefore, within the normal usage range, the sealing strip is unlikely to fail due to high temperatures.  
2. What should be noted after installing the sealing strip?
  - When installing the sealing strip, make sure it is tightly attached to the window and door frame to avoid any gaps. After installation, check if the sealing strip is fully attached and ensure that the sealing effect is good when the window and door are closed.  
3. How durable is the sealing strip?
  - The sealing strip has good durability, but it may age or get damaged in special environments or after long-term use. Regular inspections and maintenance can extend the service life of the sealing strip.  
4. What are the requirements for the installation position of the sealing strip?
  - The installation position of the sealing strip should be perfectly aligned with the sealing groove of the door and window frame to ensure a good seal. During installation, be careful not to stretch or squeeze the sealing strip, as this may affect the sealing effect.  
5. What are the quality standards for the sealing strips?
  - The quality standards for sealing strips typically include indicators such as material durability, sealing effectiveness, and resistance to high and low temperatures. Specific standards can be implemented according to local construction industry standards or national relevant standards.