China Synergy Group can manufacture plastic blow molding parts including extrusion blow molding, injection blow molding, and stretch blow molding. They are used in the industry equipment, fast moving consumer goods, cosmetics industry, etc. If you need to create a hollow plastic product with thin walls, Blow Molding is the way to go. We can blow mold products large or small. If you have special requirements on shape, size, surface finishing or compounds, we can directly make customized service to match your specification. Contact us for quote today.
Typical Blow Molded Product
Road Barrier, Water Horse
Medical Bed
Logistic Pallet
Air Pipe
Safety Seat
Playground Fence
Blow Molding
There are three main types of blow molding: extrusion blow molding, injection blow molding, and stretch blow molding. The blow molding process begins with melting down the plastic and forming it into a parison or preform. The parison is a tube-like piece of plastic with a hole in one end in which compressed air can pass through. The parison is then clamped into a mold and air is pumped into it. The air pressure then pushes the plastic out to match the mold. Once the plastic has cooled and hardened the mold opens up and the part is ejected.
Production Equipment
Parts made from blow molding are plastic, hollow, and thin-walled, such as bottles and containers that are available in a variety of shapes and sizes. Small products may include bottles for water, liquid soap, shampoo, motor oil, and milk, while larger containers include plastic drums, tubs, and storage tanks. Blow molded parts can be formed from a variety of thermoplastic materials, including the following:
1. Low Density Polyethylene (LDPE)
2. High Density Polyethylene (HDPE)
3. Polyethylene Terephthalate (PET)
4. Polypropylene (PP)
5. Polyvinyl Chloride (PVC)
Production Equipment
Basic Process:
1. A thermoplastic resin is heated to a molten state.
2. It is then extruded through a die head to form a hollow tube called a parison.
3. The parison is dropped between two mold halves, which close around it.
4. The parison is inflated.
5. The plastic solidifies as it is cooled inside the mold.
6. The mold opens and the finished component is removed.
Sample Blow Mould
High Speed Production of Bottles
Automatic Blow Molding of Pallets