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THK 8mm Polypropylene Sheet

Material: Polypropylene

Color: White/Gray/Beige

Form: Sheet

Length: 2000mm/2440mm/3000mm/6000mm

Width: 1000mm/1220mm/1500mm

Thickness: 8mm

Process: Extruded

Description

Polypropylene sheet Features:

pp sheet

  1. Low flammability
  2. High chemical resistance
  3. Electrical insulation properties
  4. Long lasting
  5. High temperature resistance
  6. Ldeal for HVAC applications
  7. Easy welding process
  8. Lightweight

Field of use

  • Pharmaceutical and bioindustry
  • Ventilation Duct Fabrication
  • Chemical storage tank
  • Environmental protection equipment processing

Approval/Certification

SGS (SOCIETE GENERALE DE SURVEILLANCE S.A.)

What is polypropylene?

Polypropylene is a thermoplastic polymer used in a wide variety of applications. It is a plastic known for its strength, durability and resistance to many chemical solvents, acids and bases. Polypropylene is made from propylene monomers derived from petroleum. It is polymerized from propylene under high temperature and pressure.

Polypropylene is commonly used in packaging materials such as food containers, beverage cups and plastic bags. It is also used in interiors, battery boxes and other components in the automotive industry. In industrial production, it is often used to produce anti-corrosion sheets, storage tanks, etc. Also, it is used in the textile industry to make fabrics such as carpets, upholstery, and outdoor fabrics.

One of polypropylene’s key advantages is its ability to be easily molded and formed, making it a versatile material for a wide range of applications. It’s also recyclable, making it a more sustainable option for many products.

How to weld the polypropylene sheet?

Welding polypropylene sheets can be accomplished through a process known as “hot gas welding.” Here are the steps to weld PP sheets using this method:

Prepare the surfaces: Clean the surfaces that will be welded thoroughly. Ensure that there are no contaminants, debris, or oils present. You can use a cleaner designed for polypropylene or isopropyl alcohol.

Mark the weld line: Use a marker to draw a line where the welding will occur.

Preheat the PP sheets: Use a hot air gun to preheat both sheet along the weld line. The temperature should be around 240-260°C. Preheating helps to soften the polypropylene and prepare it for welding.

Weld the sheets: Once the polypropylene sheets are preheated, use a plastic welding rod that matches the material of the sheets. The rod is melted by a hot air gun and used to fill the gap between the two sheets. The gun and rod are moved along the weld line at a steady pace until the sheets are welded together. Ensure that the melted rod is evenly distributed, and there are no gaps.

Cool the PP sheets: After welding, allow the PP sheets to cool down gradually. Do not cool them rapidly as this can cause warping or cracking.

Trim excess plastic: Once the PP sheets have cooled down, any excess plastic that has accumulated along the weld line can be trimmed using a sharp knife or a rotary tool.

Hot gas welding can be a delicate process and requires some practice. If you are unsure about performing this process, it’s recommended to consult a professional or take a training course.

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