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

rotomolding-Moss Beach-Rotational moulding refers to a plastic manufacturing technique that makes hollow stress-free product lines. The process relies on high temperatures and bi axial rotation to come up with seamless, one piece products that have several designs, sizes and colors. This method is also referred to as rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl types.

The component that makes this different from other plastic manufacturing methods because no pressure is called for. It also has few rivals when it pertains to the production of large hollow products which are resilient and inexpensive.There is a variety of products that are produced by this process including big water tanks, automobile products, complex designed medical products, recreation equipment, toys, canoes, commercial equipment among many others.This is due to the flexibility in terms of type and forms that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Moss Beach CA 94038, 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 rotomoulding 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-Moss Beach-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 Moss Beach 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 Roto-Molding Method Components

This molding system has been used since early times for creatingvseverl product lines. Egyptians for example, utilized rotational molding solutions in the producing of ceramics. The Swiss were also working with this rotation design to make hollow chocolate eggs. Some plastic products in the USA were developed using this procedure some time between 1940 and 1950. The procedure has however taken very long to catch on because it was considered as being a rather slow process

1. Mold prep work.
A fixed volume of polymer in powder form is filled into a hollow mold. The mold is usually comprised of cast aluminium or sheet steel component. The coloration chosen for the finished item is pre compounded into the polymer. The most generally used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this type of plastic production.

Pre-heating of the oven follows, 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 locked and placed inside the oven.

2. The heating and fusion process.
Once within the oven, the mold is turned on two axis so the powdered polymer liquefies from the heat and layers the inside if the mould. The spinning is done gradually, about 20 spins per sixty seconds. One thing that is critical at this moment is the amount of time the mould will spend within the oven. If it stays to long, the material will lose stability and durability, creating a poor item. If it is taken out from the oven too early, the polymer will not have liquefied correctly, which creates bubbles in the completed product line.

3. Mould cooling down.
When the product has completely spent the right amount of time in the oven, it is then extracted for cooling. This can be done by air or water, or sometimes a mixture of both which a cool mist. When the product cools, it shrinks somewhat for ease of removal from the mould. This is an additional measure that relies a lot on the right timing, since quick cooling reduces the material too rapidly, causing warping of the item.

4. The discharging or de-molding step.
As soon as the product within te mold has cooled successfully, the molder handling the process can then take out the completed product from the mould. The technique is repeated from the start, giving a number of exact products.

For more information on the different rotational rotomolding options offered for the Moss Beach CA 94038 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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