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

rotocasting-Tarkio-Rotational molding refers to a plastic production solution that produces hollow stress-free items. The process relies on high temperatures and bi axial rotation to come up with seamless, one piece products that have varying shapes, colors and sizes. This method is also known as roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The benefit that makes this unique from other plastic manufacturing processes that no pressure is called for. It also has few contenders when it comes to the production of large size hollow products which are long lasting and inexpensive.There is a variety of items that are produced by this process including large water tanks, automobile items, intricate molded medical products, leisure equipment, toys, canoes, commercial equipment among many others.This is because of the flexibility in regards to design 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 Tarkio MO 64491, 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 rotational 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-Tarkio-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 Missouri 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 Tarkio Missouri 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 Procedure Components

This moulding method has been used since ancient times for creatingvseverl product lines. Egyptians as an example, used rotational molding procedures in the creating of ceramics. The Swiss were also applying this rotation method to generate hollow chocolate eggs. Some plastic products in the USA were manufactured using this method some time between 1940 and 1950. Due to the fact that it was thought of to be a relatively slow procedure, the method has however taken long to become popular

1. Mould preparation.
A predetermined quantity of polymer in particle form is filled into a hollow mold. The mould is usually crafted from cast aluminium or sheet steel substance. The coloring wanted for the final item 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 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 to temperatures between 500-700F. The mould with the powdered polymer is then locked and positioned into the oven.

2. The heating and fusion process.
Once placed into the oven, the mold is turned on two axis so the powdered polymer liquefies from the heat and coats the inside if the mould. The turning is done slowly, about 20 revolutions per minute. The main thing that is critical at this point is the amount of time the mould will spend within the oven. If it stays to long, the component will lose stability and strength, producing a weak product. If it is extracted from the oven too early, the polymer will not have flowed properly, which develops bubbles in the completed product.

3. Mold cooling.
When the material has completely spent the enough of time in the oven, it is then extracted for cooling. This may be done by air or water, or sometimes a mixture of both which creates a cool mist. When the product cools, it reduces somewhat for ease of removal from the mould. This is another procedure that depends upon a lot on the correct timing, since rapid cooling reduces the material too quickly, causing bending of the item.

4. The removing or de-moulding step.
Once the component within te mould has cooled successfully, the molder handling the operation can then take out the completed product from the mould. The technique is repeated from the start, providing a series of exact product lines.

For more information on the different rotational molding options offered for the Tarkio MO 64491 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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