1. The composition of WPC and MPC boards is more or less the same. They both are made with Virgin polymer, the percentage of which is 70%. Both the products are a sister product of PVC.
2. The second layer is the additive layer, the percentage of which is 15%. There are around 6-7 elements that include,
a. Foaming Agent - It is the element that foams the entire material
b. Processing Aide - This helps the material to get processed while it is undergoing an extrusion process.
c. Whitening Agents, Brightening Agent and UV Pigment - This plays an important role as the white color, which comes on the top and
bottom of the board
d. Lubricants - The internal and external lubricants too plays an important role in terms of processing parameters.
These are the four major elements
You must be thinking if everything is the same then how are the products different?
II Difference
The 15% layer which forms the top most layer of the boards is the layer that differentiates both the products.
This 15% in WPC is a layer of “Wood Powder,” do remember that we don't cut trees to produce this powder, rather we procure this wood powder from Sawmill's and then we further refine it and add it to our product. In case of MPC what we add in this 15% layer is Mineral fibers like calcium carbonate and many more.
They both are added to add dimensional stability to the product. And only this 15% is the layer that differentiates the product. Rest in terms of properties and technicalities, these products remain on the same line. It's just that WPC is beige in color because it has wood powder, and MPC, on the other hand, is white in color. So this is the basic difference between both the product.
III. Process
Now coming to the process, they are made via the extrusion process. Initially, all raw materials get mixed in a hot mixture then they come to a cold mixture, then they go to the extruder and after that, it goes to the calibrator machine then is shipped to you. This is all that you should know as a customer about the manufacturing of WPC/MPC Boards.
We also provide customised boards according to your/customers personalisations, provided you should satisfy our minimum required order.
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