Solar Aeroshell Composites Manufacturing SDS 2025-26
This is the information for the solar aeroshell mold prep procedure which is the first step for composites work on the top shell this year.
Composites Chemicals MSDS, Safety Datasheets
Foam mold preparation
Sanding styrofoam molds
Spraying styroshield hardener & gel coat
Main processing: Wet carbon fiber layups
Air curing layers of carbon fiber fabric ply & epoxy
Epoxy + hardener
Post-processing
Sanding & trimming
Chemicals:
"HPR" stands for Hazardous Products Regulations. A "low HPR %" would refer to a low concentration or low hazard level of a specific chemical ingredient, as classified under these regulations. Canadian regulation.
Chemical: Product Type | Purpose | Product Name | Safety Data Sheet - SDS | Handling Recommendation |
|---|---|---|---|---|
Acetone | Solvent - cleaning, dissolving foam |
| https://images.thdstatic.com/catalog/pdfImages/5a/5a2218e1-1b5b-4e13-a512-c3cbdb134bfb.pdf | Wear Gloves No Respirator required Respirator; organic vapor filter -reccomended if extended exposure → irritation occurs |
Epoxy Resin | Epoxy (higher viscocity) standard | West System 105 Epoxy Resin | https://www.westsystem.com/app/uploads/2022/10/105-Resin-EN-OSHA-WHMIS.pdf HPR | Wear Gloves Use adequate ventilation → Keep garage doors open / manufacture outdoors No respirator required Respirator reccomended if ventilation is limited |
Epoxy Laminating Resin | Epoxy (medium viscocity) structural | Fibreglast System 2000 | http://cdn.fibreglast.com/downloads/00060-B.pdf
| Wear Gloves
|
Expoxy Hardener | Epoxy Hardener | LOCTITE EA E-120HP B HARDENER | Wear Gloves | |
Styroshield Hardener | Latex sealing/ filler to smooth over styrofoam mold | Duratec Coating | https://www.expresscomposites.com/media/wysiwyg/Duratec-SDS/DT707-019_SDS.pdf | Wear Gloves |
Gel Coat | Tooling gel coat for final finish | Freeman Supply: Orange Tooling GelCoat | https://www.freemansupply.com/MSDS/Combined/LiquidTooling/Orangetoolinggelcoat.pdf | Wear Gloves |
Safety PPE:
Gloves
Nitrile / Latex for cutting / sanding
Plastic gloves for all layups
Respirators
P150 block filter respirators → are rated for our chemicals