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

rotocasting-Calistoga-Rotational molding refers to a plastic production solution that generates hollow stress-free product lines. The method utilizes high temperatures and bi axial rotation to follow up with seamless, one piece products that have several designs, sizes and colors. This procedure is also called roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The function that makes this unique from other plastic manufacturing techniques in that no pressure is required. It also has few rivals when it comes to the creation of large size hollow items which are long lasting and inexpensive.There is a wide range of items that are created by this process including large size water tanks, automobile materials, sophisticated designed medical items, leisure equipment, toys, kayaks, industrialized equipment among many others.This is because of the versatility in terms of design 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 Calistoga CA 94515, 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 roto-molding 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 Products-Calistoga-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 Calistoga 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 Rotomolding Process in Detail

This molding procedure has been used since early times for creatingvseverl products. Egyptians as an example, utilized rotocasting systems in the creating of ceramics. The Swiss were also using this rotation format to make hollow chocolate eggs. Some plastic product lines in the USA were made utilizing this technique some time between 1940 and 1950. The procedure has however taken long to catch on because it was looked at to be a pretty slow process

1. Mold readying.
A predetermined volume of polymer in powder form is loaded into a hollow mold. The mould is usually made of cast aluminium or sheet steel material. The color intended for the finished goods 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 warmed to temperatures between 500-700F. The mould with the powdered polymer is then secured and positioned into the oven.

2. The heating and fusion process.
Once inside the oven, the mold is turned on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mould. The rotation is done slowly, about 20 revolutions per sixty seconds. One thing that is essential at this moment is the period of time the mold will spend inside the oven. If it stays to long, the component will lose stability and strength, creating a weak product. If it is removed from the oven prematurely, the polymer will not have melted properly, which generates bubbles in the completed item.

3. Mould cooling down.
When the material has completely spent the correct 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 material cools, it reduces a little for ease of removal from the mould. This is an additional step that depends a lot on the correct timing, since quick cooling reduces the material too quickly, causing warping of the material.

4. The removing or de-molding step.
When the product inside te mould has cooled effectively, the person taking care of the process can then take out the finalized product from the mold. The procedure is repeated from the start, making a number of identical items.

For more information on the different rotational rotomolding options offered for the Calistoga CA 94515 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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