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

rotational moulding-Port Gibson-Rotational molding pertains to a plastic production method that generates hollow stress-free products. The technique relies upon high temperatures and bi axial rotation to come up with seamless, one piece items that have different forms, colors and sizes. This procedure is also known as rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl types.

The benefit that makes this different from other plastic manufacturing methods that no pressure is called for. It also has few contenders when it involves the production of sizable hollow products which are durable and inexpensive.There is a wide variety of products that are generated by this process including big water tanks, automobile products, complex shaped medical items, recreation equipment, toys, kayaks, industrial equipment among many others.This is due to the flexibility in terms of type 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 Port Gibson MS 39150, 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-Port Gibson-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 Mississippi 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 Port Gibson Mississippi 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 Procedure in Detail

This moulding technique has been used since ancient times for creatingvseverl items. Egyptians for example, used roto-molding systems in the making of ceramics. The Swiss were also employing this rotation design to make hollow chocolate eggs. Some plastic items in the USA were developed using this approach some time between 1940 and 1950. Since it was looked at to be a basically slow technique, the method has however taken long to catch on

1. Mould preparation.
A fixed measure of polymer in powder form is loaded into a hollow mould. The mould is usually composeded of cast aluminium or sheet steel component. The coloration chosen for the final product 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 production.

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

2. The heating up and fusion procedure.
Once within the oven, the mold is turned on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mold. The turning is done slowly, about 20 rotations per minute. The main thing that is important at this point is the period of time the mould will spend within the oven. If it stays to long, the material will lose value and strength, producing a faulty item. If it is taken out from the oven prematurely, the polymer will not have flowed properly, which generates bubbles in the finalized item.

3. Mould cooling.
When the material has completely spent the correct amount of time in the oven, it is then removed 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 shrinks slightly for ease of extraction from the mold. This is an additional step that depends a lot on the right timing, since rapid cooling decreases the material too rapidly, causing warping of the material.

4. The unloading or de-molding step.
When the product inside te mould has cooled effectively, the person taking care of the procedure can then remove the finished item from the mould. The process is repeated from the start, providing a series of similar product lines.

For more information on the different rotational rotomolding options offered for the Port Gibson MS 39150 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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