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Higher densities of PVC foam have increased toughness at a respective weight penalty. The higher density foam makes a stronger but heavier product. Low density foam materials add little weight to the sandwich construction. However, they usually have more open cells which results in more resin absorption. The lower the density, the larger the cells are, and the worst the resin absorption problem. On the other hand, most of the times, the actual life expectancy of products proves to be different than in calculations made during the design. This can happen for many reasons, and also because the actual torture that the product is imposed to, varies from user to user. Other conditions, like weather in a certain region may also vary greatly affecting the life of the product. For example, an experienced athlete in wind force of 7bf may treat and load a sport product in a different way or manner than a beginner. This makes the choice of density of PVC foam somewhat chaotic.
For any other type of PVC foam products and special orders (different thickness, weight) please contact. However, those special products may be subjected to minimum order level. |
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