Green, Low‑Carbon PVC Plastic

Today, "green" has become a symbol of energy conservation and environmental protection for humanity and is a trend in building material market development. The "green degree" indicates the level of energy savings and environmental friendliness, and building energy‑saving products are an important reflection of a building's green degree. In particular, chemical plastic building materials that are low‑carbon, energy‑saving, and cost‑effective are drawing increasing attention. Among them, PVC plastic doors and windows are the most representative.

What are PVC plastic doors and windows?

PVC plastic doors and windows use polyvinyl chloride (PVC) resin as the main raw material, with a certain proportion of stabilizers, modifiers, fillers, ultraviolet absorbers, and other additives. The mixture is extruded into various hollow profiles, cut to fixed lengths, reinforced with steel inserts in the cavities, and then welded into door and window frames using hot‑melt welding machines. They are completed by assembling sealing strips, weather strips, glass, hardware fittings, etc.

 

 

Advantages of PVC plastic doors and windows

1)  The greatest advantage of PVC plastic windows is energy efficiency, and they offer an excellent performance‑to‑price ratio in this regard. First, in terms of material production energy consumption, PVC per unit weight consumes only 1/8 of steel and 1/16 of aluminum. Moreover, when recycled, they do not require re‑smelting or ingot casting. The profiles simply need to be crushed and can be reused as raw material, consuming very little energy. This is very beneficial for China, where resources are scarce.

 

2)  PVC plastic door and window profiles are recyclable and reusable. Because PVC resin is a thermoplastic material, it can be reheated and reshaped into new products, making it suitable for circular use and meeting environmental requirements.

 

3)  PVC plastic windows have excellent sound insulation. According to Japanese data, to achieve the same noise reduction requirement, buildings with aluminum windows must be located more than 50 meters away from main traffic roads, whereas with plastic windows this distance can be reduced to 16 meters. In increasingly noisy urban environments, using plastic windows makes indoor environments more comfortable.

 

4）They have an attractive appearance, strong texture, rich colors, and are easy to clean.

 

With the improvement of living standards and advances in science and technology, and thanks to the industry's strong investment in product R&D and advanced equipment in recent years, aesthetically pleasing, high‑performance, and personalized plastic doors and windows are increasingly favored by consumers. As the laminating process is one of the key steps in PVC plastic doors and windows, choosing a professional laminating equipment manufacturer is the best choice. Colourful, as a high‑quality automation solution provider for surface laminating equipment, offers professional equipment.

Some Equipment Showcase

 

CLF-PUR350CNC-15Q

Fully Automatic CNC Laminating Machine

This machine is the fifth‑generation product in our company's laminating machine series. It has a national invention patent and holds a leading technical position among similar international products. It is specially designed for laminating PVC film, laminating paper, wood veneer, CPL, leather, aluminum foil, copper foil, and other roll materials onto the surfaces of PVC plastic window & door profiles and aluminum alloy profiles.

Performance Features

 

1.This machine uses PUR reactive hot‑melt adhesive. It has a high production speed of up to 65 meters per minute. It is solvent‑resistant and has excellent weather resistance, with no adhesive failure at temperatures between -40°C and 140°C. The adhesive application amount is controlled by the PLC, achieving precision and glue savings.

2.It features first‑time memory CNC wheel adjustment. The substrate is positioned by a CNC sliding table. Dual rolls with automatic film splicing, drive wheel slot positioning, linear shape automatic memory, and automatic reset with a reset time of about 5 minutes. Customers can choose machines configured with 30, 46, or 58 robotic arms according to their needs, achieving the best cost‑performance ratio. Optional features include a continuous glue applicator, brush dust removal, a primer application device, and a protective film attachment device.

 

CLF-PUR350CNC-29

Fully Automatic CNC Laminating Machine

 

This machine is the fifth‑generation product in our company’s laminating machine series. It holds a national invention patent and is technically leading among similar international products. It has a wide range of applications and is suitable for laminating roll materials such as PVC film, laminating paper, wood veneer, CPL, leather, aluminum foil, and copper foil onto the surfaces of PVC plastic window & door profiles, aluminum alloy profiles, MDF, solid wood, wood‑plastic composites, door frames, and other linear profiles.

 

 

Performance Features

 

1.This machine uses PUR reactive hot‑melt adhesive, offering a high production speed of up to 65 meters per minute. It is solvent‑resistant and has excellent weather resistance, with no adhesive failure at temperatures between -40°C and 140°C. The adhesive application amount is controlled by the PLC, achieving precision and glue savings.

2.First‑time memory CNC wheel adjustment. The substrate is positioned by a CNC sliding table. Dual rolls with automatic film splicing, drive wheel slot positioning, linear shape automatic memory, and automatic reset with a reset time of about 5 minutes. Customers can choose machines configured with 30, 46, or 58 robotic arms according to their needs, achieving the best cost‑performance ratio. Optional features include a continuous glue applicator, brush dust removal, a primer application device, and a protective film attachment device.