The effect of gel coat layer thickness and drying time on film properties [Technical Document]
Improving product quality, including the durability of the gel coat layer! Verifying the correlation between initial peeling occurrence and film thickness/drying time!
This document is a technical report that evaluates the durability of the gel coat layer, focusing on its thickness and drying time, as well as its adhesion resistance to FRP, in order to address issues such as delamination, wrinkles, and cracks that occur during the production of the gel coat layer. The evaluation revealed that a thickness of approximately 0.2mm provides high durability, with no clear correlation found with drying time. Additionally, internal verification using X-ray CT and tensile tests using DIC successfully identified the initial delamination of the gel coat layer. [Contents (Preparation and Evaluation Methods/Results)] ■ Gel Coat Preparation ■ Gel Coat Application ■ Gel Coat Drying ■ Production of FRP Flat Plates for Gel Coat Layer Evaluation ■ Measurement of Gel Coat Layer Thickness ■ Tensile Testing ■ Confirmation of Gel Coat Layer Delamination via X-ray CT ■ Correlation between Initial Delamination of the Gel Coat Layer and Gel Coat Layer Thickness and Drying Time *For more details, please download the PDF or feel free to contact us.
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【Other Published Content】 ■Background ■Objective ■Conclusion ■Summary ■Discussion ・On the fracture morphology of test specimens where abnormalities were observed in the strain-load curve of the tensile test ・On the relationship between the thickness of the gel coat layer, drying time, and the durability of the gel coat layer ■Conclusion *For more details, please download the PDF or feel free to contact us.
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Our company mainly engages in the manufacturing and sales of FRP products, as well as FRP repair work and painting work. Additionally, to meet requests such as "We want to address the aging of equipment and facilities, but it is difficult to replace or update them due to costs and construction periods," we also offer proposals for renovations and repairs using FRP-related technology. Of course, we can also handle the construction work.