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

rotomolding-Port Hadlock-Rotational molding refers to a plastic manufacturing procedure that creates hollow stress-free items. The process relies on high temperatures and bi axial rotation to follow up with seamless, one piece products that have a variety of designs, colors and sizes. This method is also called rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl types.

The component that makes this unique from other plastic manufacturing techniques in that no pressure is needed. It also has few contenders when it pertains to the creation of sizable hollow products which are durable and inexpensive.There is a variety of product lines that are produced by this process including large water tanks, automobile products, complex shaped medical items, recreation equipment, toys, kayaks, commercial equipment among many others.This is due to the flexibility in terms of style 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 Hadlock WA 98339, 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

Custom Molded-Port Hadlock-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 Washington 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 Hadlock Washington 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 Rotomoulding Procedure Components

This molding process has been used since ancient times for creatingvseverl items. Egyptians for instance, worked with roto-molding procedures in the producing of ceramics. The Swiss were also making use of this rotation type to make hollow chocolate eggs. Some plastic product lines in the USA were made utilizing this method some time between 1940 and 1950. The procedure has however taken very long to take affect because it was thought of as being a pretty slow process

1. Mould readying.
A fixed amount of polymer in particle form is loaded into a hollow mold. The mold is usually composeded of cast aluminium or sheet steel substance. The colour intended for the end product 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 style of plastic assembly.

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 placed within the oven.

2. The heating and fusion step.
Once placed into the oven, the mold is rotated on two axis so the powdered polymer melts from the heat and layers the inside if the mold. The turning is done slowly and gradually, about 20 spins per minute. Something that is essential at this moment is the period of time the mold will spend within the oven. If it overstays, the material will lose value and durability, creating a faulty item. If it is extracted from the oven prematurely, the polymer will not have liquefied properly, which creates bubbles in the completed product line.

3. Mould cooling.
When the product has sufficiently spent the right amount of time in the oven, it is then taken out for cooling. This may be done by air or water, or sometimes a mixture of both which generates a cool mist. When the product cools, it shrinks somewhat for ease of removal from the mold. This is another measure that depends upon a lot on the correct timing, since rapid cooling shrinks the material too quickly, causing warping of the material.

4. The un-loading or de-moulding phase.
Once the product within te mould has cooled effectively, the molder managing the procedure can then extract the finalized item from the mould. The function is repeated from the start, supplying a series of identical products.

For more information on the different rotational rotomolding options offered for the Port Hadlock WA 98339 area, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

Other areas we service, go here to custom molded

Local Resources

Production Example
Google Map