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Plastic Support Post

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Product Details

Extreplas® support post series uses low-foam and high-density polyethylene as the raw material. The maximum cross-sectional dimension is 300mm*300mm. Considering the special requirements for mechanical properties as structural support, built-in steel bars can be added according to customer requirements to ensure product performance.


Difference of the Winstar Extreplas® series products


Plastic support post is a new type of environmental pier protection materials

1. The material adopt recycled plastic. Cut down the plastic pollution

2. Application replace wood, WPC, save the resource of the forest

3. Can be recycled, no continuous pollution

4.Wood need to be antiseptic treatment, antiseptic substance will pollute the water and soil. Winstar recycled plastic will not absorb and exudation any poison, it will not be any pollution to the environment

5.Choose high quality recycled plastic, safe and no poisonous.

Our Service


1. We can supply the free samples to confirm the color, size, surface. Custom-made samples are also welcome according to your requirements. We can also prepare 100mm-300mm long samples for you along with each order. Hope it will be useful in your future projects.


2. Small or Trial order is welcome.


1. We have senior Design Team, with more than 20 years experience, can offer you from tooling product design, solution design including CAD drawing, 3D Max Design.


2. We have international experienced R&D Team to cooperate with you specially. 

QUALITY CONTROL in all process

QUALITY is the watchword for our products: QUALITY IN MATERIAL, QUALITY IN DESIGN, QUALITY IN PRODUCTION, QUALITY IN CONSTRUCTION, QUALITY IN AFTER-SALE SERVICE. We focus on providing the best product and service we possibly can for you to use and enjoy for many years. That is one of the reason we are a leading name in the industry.


1. The detailed installation and suggestions will be sent to you during the communication


2.We will prepare the installation videos or Installation drawing of different projects for you along with the goods


1. Is recycled plastic products can be used in water for a long time?

Of course, raw material of plastic lumber adopt 90% recycled plastic, water absorb is 0.04%, it's 1/50  of WPC. Since our company established more than 20 years. the plastic fender produced by Winstar had been always used in water and no problems occurred.

2.We do not know how to choose the size of the products, could you give us some advice?

Of course, you can contact us and tell us the specific application and using environment, preferably with design drawings. Our engineers will recommend suitable specifications and give installation Suggestions according to the environment and application you are using.


Is WINSTAR plastic timber environment friendly?

● The material adopt 100% recycled plastic.Cut down the plastic pollution

● Application replace wood,WPC,save the resource of the forest

● Can be recycled,no continuous pollution

● Wood need to be antiseptic treatment,antiseptic substance will pollute the water and soil

● Recycled plastic will not absorb and exudation any poison, it will not be any pollution to the environment

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