Two-Part Casting Resin System
Instruction
- Consultation:
- Everyone must consult with Fabrication Lab Staff in advance, prior to any use.
- Faculty instructor, advisor, or principal investigator must acknowledge material risk before use.
- Preparation:
- Read the manufacturer’s instructions.
- Wear the required PPE.
- Set up in a controlled-access, well-ventilated area identified by Lab Staff.
- Ensure surface protection and cover surrounding areas.
- Mixing:
- Measure parts of resin and hardener according to the product’s instruction.
- Pour into a clean mixing cup
- Stirring:
- Stir the mixture thoroughly for the time specified by the manufacturer, usually 2-3 minutes
- Avoid creating air bubbles
- Pouring:
- Pour the mixed resin into the prepared mold slowly to minimize any air bubbles
- Tap the mold gently to release the trapped air
- Curing:
- Allow the resin to cure according to the product’s instructions. Typical curing time is between 24 – 48 hours.
- Finishing:
- Display a completed “Hazardous Materials Storage Form” at areas where the project will be stored.
- Clean your tools and work area of your mixture immediately.
- Dispose of contaminated materials and uncured resin as Hazardous Waste with assistance from Lab Staff.
- Allow unused mixed resin to harden before disposal as trash.
- Store unused leftover materials with Lab Staff.
Product List
- Castin’ Craft
- West System 105 & 207, G/5
- Smooth-On Crystal Clear
- Art Resin
Required Personal Protective Equipment (PPE)
- Eye Protection: Chemical Splash Goggles or Face Shield
- Hand Protection: Nitrile Gloves
- Body Coverings: Disposable long sleeves and long pants, sufficient clothing to provide full coverage of skin; Tyvek suit or equivalent
Engineering Controls
- Must be used within an area supplied with exhaust ventilation and with proper process controls to limit accidental exposure and spillage onto the surrounding areas
- Eyewash stations and chemical showers must be available in the vicinity when using this product. The Project Room, L31, has both
- A spill containment kit and dedicated liquid waste collection must be available in the vicinity when using the product. A spill containment kit is located in L31
Emergency Response
- Have SDS for materials being used printed and available if medical advice or emergency response is required
- Eye exposure: Cautiously rinse with water for at least 15 minutes
- Skin exposure: Remove and dispose of contaminated clothing. Wash all affected areas thoroughly with soap and water for at least 15 minutes
- Ingestion: Rinse mouth. Do not induce vomiting. Seek immediate medical attention
- Inhalation: Remove to fresh air and keep comfortable for breathing
Storage
- Store materials in the original container in a dark and cool location. The corrosives cabinet is located within L34 and is accessible with the assistance of Lab Staff
- Containers must be securely closed with outer surfaces clean of any uncured substance
Disposal
- Make every effort to use all mixed resin (measure, dispense, and mix only the needed volume to avoid generating excess waste)
- Any uncured mixture should be allowed to fully cure to a solid state before disposing as waste
- Dispose of process materials in the same manner.
- Do not pour uncured substances down the drain or allow them to enter the sewer line, waterway, or watershed
- Any uncured liquid waste must be disposed of as a hazardous waste, including contaminated process materials
- A labeled, designated waste container and satellite accumulation area must be established, and coordination with an environmental waste company must be made for pick-up
Other Notes
- Do not eat, drink, or smoke when using this product. Wash hands thoroughly after use.
- A person with a history of skin sensitization, asthma, or respiratory disease should not use this product.
- Never use near an open flame or possible ignition source. The decomposition products from burning these materials are extremely toxic and irritating.
- Always consult the SDS for the manufacturer’s recommendations before use.