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

rotational molding-Deer Park-Rotational moulding refers to a plastic production solution that makes hollow stress-free products. The technique relies upon high temperatures and bi axial rotation to come up with seamless, one piece products that have several shapes, colors and sizes. This method is also called rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The attribute that makes this unique from other plastic manufacturing methods that no pressure is called for. It also has few rivals when it involves the production of large hollow products which are durable and inexpensive.There is a variety of products that are developed by this process including big water tanks, automobile materials, intricate designed medical products, recreation equipment, toys, canoes, industrial equipment among many others.This is due to the versatility 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 Deer Park TX 77536, 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 rotocasting 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-Deer Park-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 Texas 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 Deer Park Texas 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 Method Components

This moulding procedure has been used since earlier times for creatingvseverl products. Egyptians for example, utilized rotational molding solutions in the manufacturing of ceramics. The Swiss were also working with this rotation approach to create hollow chocolate eggs. Some plastic product lines in the USA were manufactured utilizing this approach some time between 1940 and 1950. The procedure has however taken long to take affect because it was looked at to be a rather slow process

1. Mould preparation.
A fixed volume of polymer in powder form is filled into a hollow mould. The mould is usually crafted from cast aluminium or sheet steel component. The color tone needed for the end goods is pre compounded into the polymer. The most often used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this type of plastic engineering.

Pre-heating 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 mould with the powdered polymer is then locked and installed inside the oven.

2. The heating up and fusion step.
Once within the oven, the mold is rotated on two axis so the powdered polymer liquefies from the heat and layers the inside if the mould. The rotation is done slowly and gradually, about 20 spins per min. The main thing that is vital at this point is the period of time the mould will spend within the oven. If it stays to long, the material will lose stability and strength, producing a faulty item. If it is removed from the oven prematurely, the polymer will not have liquefied correctly, which develops bubbles in the finalized item.

3. Mold cooling.
When the material has completely spent the right 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 a cool mist. When the material cools, it shrinks somewhat for ease of removal from the mould. This is yet another measure that depends upon a lot on the ideal timing, since quick cooling decreases the material too fast, causing warping of the item.

4. The offloading or de-moulding step.
When the component within te mold has cooled adequately, the molder taking care of the process can then extract the finalized product from the mold. The procedure is repeated from the beginning, providing a number of exact products.

For more information on the different rotational rotomolding options offered for the Deer Park TX 77536 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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