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Epoxy was chosen as a layer of [http://web.archive.org/web/20160629171444/http://solarez.com:80/products/zerovoc-epoxy-resin/ Solarez] epoxy between foam and fiber. This layer will give a more resilient layer to help with adhesion. Solarez epoxy does not harden fully, but remains a tacky epoxy to help give these properties. A layer of Super Sap INF from Entropy Resins was used for the outer layer. This will provide the hard shell needed for the board, and it will help increase overall strength. Both of these epoxies are resistant to UV light as well, which in essential when developing a board to be used in intense sunlight. | Epoxy was chosen as a layer of [http://web.archive.org/web/20160629171444/http://solarez.com:80/products/zerovoc-epoxy-resin/ Solarez] epoxy between foam and fiber. This layer will give a more resilient layer to help with adhesion. Solarez epoxy does not harden fully, but remains a tacky epoxy to help give these properties. A layer of Super Sap INF from Entropy Resins was used for the outer layer. This will provide the hard shell needed for the board, and it will help increase overall strength. Both of these epoxies are resistant to UV light as well, which in essential when developing a board to be used in intense sunlight. | ||
Super Sap INF was used for the sample testing. After | Super Sap INF was used for the sample testing. After running out, entropy has stopped making Super Sap INF. [https://entropyresins.com/product/super-sap-100-1000/ Super Sap One] was substituted. | ||
===Foam=== | ===Foam=== | ||
The Foam will be the center of the board. It will provide the buoyancy to keep the board afloat. After reducing our possible materials down to three foams, we selected Expanded Polystyrene (EPS), Divinycell Foam (PVC cross-linked), and I-Foam. Polypropylene(PP) was also tested as we did not have all material properties on I-Foam, which is a mix of PP and EPS. By testing PP we were able to predict some of the expected properties of I-Foam. These can be seen in table 1. | The Foam will be the center of the board. It will provide the buoyancy to keep the board afloat. After reducing our possible materials down to three foams, we selected Expanded Polystyrene (EPS), Divinycell Foam (PVC cross-linked), and I-Foam. Polypropylene(PP) was also tested as we did not have all material properties on I-Foam, which is a mix of PP and EPS. By testing PP we were able to predict some of the expected properties of I-Foam. These can be seen in table 1. |