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

rotocasting-Marsing-Rotational molding refers to a plastic manufacturing practice that generates hollow stress-free products. The process relies upon high temperatures and bi axial rotation to follow up with seamless, one piece items that have several shapes, colors and sizes. This procedure is also called rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The component that makes this different from other plastic manufacturing procedures that 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 wide range of product lines that are created by this process including large water tanks, automobile materials, complex designed medical items, recreation equipment, toys, kayaks, industrialized equipment among many others.This is because of the flexibility in regards to design and forms that the process creates

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Marsing ID 83639, 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-Marsing-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 Idaho 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 Marsing Idaho 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 in Detail

This moulding procedure has been used since early times for creatingvseverl products. Egyptians as an example, utilized rotocasting techniques in the manufacturing of ceramics. The Swiss were also utilizing this rotation approach to create hollow chocolate eggs. Some plastic products in the USA were manufactured using this approach some time between 1940 and 1950. The technique has however taken very long to catch on because it was considered as being a moderately slow-moving process

1. Mould prep work.
A fixed quantity of polymer in particle form is loaded into a hollow mould. The mould is usually comprised of cast aluminium or sheet steel component. The color needed for the final product is pre compounded into the polymer. The most typically used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this format of plastic production.

Pre-heating of the oven follows, and it can 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 sealed and inserted within the oven.

2. The heat and fusion step.
Once within the oven, the mould is revolved on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mould. The spinning is done gradually, about 20 revolutions per min. One thing that is essential at this moment is the amount of time the mold will spend inside the oven. If it stays to long, the product will lose value and strength, creating a poor item. If it is taken out from the oven prematurely, the polymer will not have liquefied correctly, which produces bubbles in the completed product.

3. Mould cooling down.
When the product has sufficiently 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 generates a cool mist. When the material cools, it shrinks a little for ease of removal from the mold. This is another step that depends a lot on the correct timing, since rapid cooling decreases the material too fast, causing bending of the material.

4. The unloading or de-moulding step.
When the component within te mold has cooled properly, the molder taking care of the procedure can then extract the finished item from the mold. The technique is repeated from the start, giving a series of exact product lines.

For more information on the different rotational rotomolding options offered for the Marsing ID 83639 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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