Looking for rotational molding alternatives for California? Want affordable custom plastic molding that is cost effective for Belvedere Tiburon area? Then give us a call at our toll free number 866-971-7861 or request a quote today!

rotational moulding-Belvedere Tiburon-Rotational molding pertains to a plastic manufacturing method that generates hollow stress-free products. The procedure utilizes high temperatures and bi axial rotation to follow up with seamless, one piece products that have varying shapes, colors and sizes. This technique is also called rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The function that makes this unique from other plastic manufacturing procedures in that no pressure is involved. It also has few rivals when it comes down to the creation of large size hollow items which are resilient and inexpensive.There is a wide variety of product lines that are generated by this process including large water tanks, automobile materials, sophisticated molded medical items, leisure equipment, toys, canoes, commercial equipment among many others.This is because of the versatility in terms of style and shapes that the process makes

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Belvedere Tiburon CA 94920, it is a cheaper way of making plastics. This is because apart from the fact that no pressure is required, the cost of mold preparation is low.
  • A wide array of design options.
    There is no limit to the kind of design one may want to create. The rotocasting process therefore allows for the manufacturing of products that have complex shapes for different purposes.
  • Size.
    The process provides room for the manufacturing of products of any size, large or small. As mentioned earlier, it has few competitors when it comes to the making of large tanks at low costs.
  • Low risk.
    Due to the low costs of creating a mould, the process allows for test runs before one can decide whether to do mass production. It therefore minimizes the risk of losing a lot of investment.
  • Durable products.
    The process allows for even coating of the mould with the heated polymer, giving the product a wall with uniform thickness. It also gives the option of double coating for increased durability. Sometimes metal inserts are placed inside the mould to further strengthen the product.
  • Environmentally friendly.
    There is no waste that could have a negative impact on the environment because the products that cannot be used are reground and reused as polymer.

Examples of Products Made by Rotational Molding

Plastic Molding-Belvedere Tiburon-Rotocasting is a very versatile process, making it possible to create a variety of products for different industries.

  • Agricultural industry– From cattle feeders, water troughs, spray tanks etc.
  • Automotive industry– Filler tubes, dash boards, arm rests, sun visors, air conditioner duct work etc.
  • Furniture– We have plastic cabinets, chairs and tables made from this form of moulding.

There are numerous California plastic products also that have been made for the marine industry, lighting, waste storage and transportation, kayaks etc.

Few Disadvantages – There are nominal disadvantages that have been associated with rotocasting. For instance:

  • – The process is relatively slow when compared to injection moulding.
  • – There is a limitation when it comes to the type of raw material you can use. Only poly based and nylon polymers can be used.
  • – The process comes with an increased cost because the polymer has to be ground to powder form before use.
    These limitations are often overlooked considering that the process is still relatively cheap and offers more in terms of variety when it comes to the finished range of products.

Remember – There are new developments and discoveries that are being made as the world of plastic manufacturing in Belvedere Tiburon California continuously. For instance, tests are being done to see whether there are other materials that can be used for this process. But so far, rotomoulding offers a good option for the production of a wide range of inexpensive plastic products.

The Rotomoulding Method in Detail

This molding technique has been used since ancient times for creatingvseverl items. Egyptians for instance, employed rotocasting methods in the creating of ceramics. The Swiss were also making use of this rotation style to create hollow chocolate eggs. Some plastic products in the USA were made using this method some time between 1940 and 1950. The procedure has however taken long to take affect because it was considered to be a rather slow-moving process

1. Mould prep work.
A predetermined quantity of polymer in powder form is loaded into a hollow mould. The mold is usually constructed from cast aluminium or sheet steel substance. The coloring intended for the finished goods is pre compounded into the polymer. The most commonly used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this style of plastic engineering.

Preheating of the oven starts, and it may be done by either conduction, convection or sometimes radiation. It is heated up to temperatures between 500-700F. The mould with the powdered polymer is then sealed and put within the oven.

2. The heat and fusion step.
Once placed into the oven, the mold is turned on two axis so the powdered polymer melts from the heat and layers the inside if the mold. The rotation is done slowly, about 20 spins per min. One thing that is essential at this point is the period of time the mould will spend inside the oven. If it overstays, the component will lose stability and durability, producing a weak item. If it is extracted from the oven too early, the polymer will not have melted correctly, which develops bubbles in the finished product.

3. Mold cooling.
When the product has completely spent the correct amount of time in the oven, it is then taken out for cooling. This may be done by air or water, or sometimes a mixture of both which creates a cool mist. When the material cools, it reduces slightly for ease of removal from the mould. This is another measure that relies a lot on the right timing, since quick cooling reduces the material too quickly, causing warping of the item.

4. The removing or de-molding step.
When the material within te mould has cooled properly, the person managing the process can then take out the finalized product from the mould. The technique is repeated from the start, providing a series of identical items.

For more information on the different rotational rotomolding options offered for the Belvedere Tiburon CA 94920 area, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

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