Is Calcined Kaolin a VOC?

No. Calcined Kaolin is not classified as a volatile organic compound (VOC).

Is Calcined Kaolin on California's Proposition 65 list?

No. Calcined Kaolin is not on California's Proposition 65 list.

CarCareTruth.com Products · Ranked

Calcined Kaolin

Abrasives
CAS 92704-41-1

Calcined Kaolin (CAS 92704-41-1) appears in 1 of the 1,812 car-care products CarCareTruth tracks (as of June 2026).

Inhalation of dry powder dust at industrial volumes can cause pneumoconiosis (kaolinosis) — not a hazard in formulated liquid products.

See kaolin-calcined.md — same chemical, different slug variant used by some product files.

Health & environment profile

VOC: no
Prop 65 listed: no
Asthmagen: no
EPA Safer Choice: no
Aquatic toxicity: no
Biodegradable: no
Bioaccumulative: no
Persistent: yes
Ozone depleting: no
Microplastic: no
PFAS: no
Env. score: 4/5

Purpose: Heat-treated aluminum silicate clay; very fine mild abrasive in cleaner-waxes, polishes, and headlight restoration kits. Alias of `kaolin-calcined`

Common questions about Calcined Kaolin

What is Calcined Kaolin used for in car care?: Heat-treated aluminum silicate clay; very fine mild abrasive in cleaner-waxes, polishes, and headlight restoration kits. Alias of `kaolin-calcined`
Is Calcined Kaolin a VOC?: No. Calcined Kaolin is not classified as a volatile organic compound (VOC).
Is Calcined Kaolin on California's Proposition 65 list?: No. Calcined Kaolin is not on California's Proposition 65 list.

1 product contain this

Mothers NuLens Headlight Renewal Kit (07251)
headlight-restoration-kit
Prop 65

Health and environment notes translate the manufacturer Safety Data Sheet, the GHS classification, and authoritative regulatory listings (California Prop 65, EPA). Not medical advice. They describe the ingredient itself; whether a hazard applies to a finished product depends on its concentration and how it's used.