Epoxy Resin Knowledge
Working safely with epoxy resin
The reference guide to working safely with epoxy resin. Each entry answers one question, short and easy to follow. Based on the book Safe Resin Art by Natalie Pikul.
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Hazards and labeling
Is epoxy resin toxic?
Yes, in liquid form and while it cures: it can sensitize your skin and gives off fumes. Fully cured, it's considered chemically stable.
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Basics
What is epoxy resin, and what do resin and hardener do?
A plastic made from two liquid components that react chemically and turn solid once you mix them.
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Mix ratio
Should you mix epoxy resin by weight or by volume?
The way your technical data sheet says. If it gives a weight ratio, weigh with a precision scale.
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Respiratory protection
Which respirator do you need for epoxy resin?
A half-face or full-face respirator with filters for vapors and particles. Particle masks aren't enough for pouring.
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Ventilation
How do you ventilate properly when working with epoxy resin?
Actively: air flows away from you and outdoors, ideally with extraction near the source.
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Skin and gloves
Which gloves protect you from epoxy resin?
Chemical-resistant nitrile gloves, changed regularly and ideally doubled.
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Eyes
What eye protection do you need for epoxy resin?
Chemical splash goggles with an all-round seal, or a full-face respirator.
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Sanding and dust
Is sanding dust from epoxy resin dangerous?
Yes, the fine dust travels deep into your airways. Sand only after a full cure, with extraction and a respirator.
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Workshop
Where should you work with, store, and dispose of epoxy resin?
In a separate room, stored dry and out of reach of children, with liquid leftovers treated as hazardous waste.