Materials glossary / Glass, crystal and resin
Resin
On the label: Resin · Glass, crystal and resin
What it is
Cast epoxy or polyester plastic, clear or colored, often with flowers or glitter inside; light, scratches, yellows in sun over years.
Glass, crystal and resins: Glass, crystal and enamel: the honest, inexpensive end of jewelry, when called what it is.
Wikidata: Solid or highly viscous substance, of plant or synthetic origin, which can be polymerized into a solid. Q145205 →
In the research
1,825 PubMed papers mention it with jewelry, allergy, eyewear or UV; the three most recent:
- A Versatile Method for Determination of Resin Acids in Occupational Softwood Sawmill Dust Samples by Liquid Chromatography-Atmospheric Pressure Chemical Ionization-Mass Spectrometr · Journal of separation science, 2026
- Optical response of a water-washable 3D-printed photopolymer to gamma radiation · Applied radiation and isotopes : including data, instrumentation and methods for, 2026
- Solvent-Dependent Monomer Leaching From Two Commercial Dental Resin Composites: A Time-Dependent Elution Behaviour · Cureus, 2026
A paper is a paper, not a verdict: titles are listed so you can read them, and a study on one fabric or one filter says little about the piece in your hand.
Pieces whose listing names it
5 on the siteMatched from the words in the supplier's listing; the full material line is on each product page.
Made in the USA
Made in the USA
Made in the USA
Made in the USA
Other glass, crystal and resins
Clasp & Lens describes materials from the public record and does not appraise, grade or test pieces; what a listing states is the supplier's statement. If a piece causes a rash, take it off; a reaction that spreads or blisters is a doctor's question, and sunglasses are no substitute for impact-rated eye protection where that is required.