California Proposition 65 Test Report for Ceramic and Glass Products
Date：2026-01-30 09:36:12 Classification
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California Proposition 65, abbreviated as CA65, is the California Safe Drinking Water and Toxic Substances Enforcement Act of 1986, which came into effect in November 1986.
I. Regulatory Basis for Proposition 65 Testing of Ceramic and Glass Products
Proposition 65 (CA65) aims to control known carcinogens and reproductive system damage chemicals. Ceramic and glass products are a key category under control. All such products sold or distributed in California must comply with these requirements. Products containing excessive levels of hazardous substances must be labeled with warning labels, and violations will result in hefty penalties.
II. Testing Items and Limits
1. Food/Beverage Contact Ceramic and Glassware
Lead Emission Limits for Food Contact Surfaces:
Flat tableware (e.g., plates): Lead emission from food contact surfaces ≤ 0.226 ppm;
Hollow tableware (e.g., cups, bowls): Lead emission from internal food contact surfaces ≤ 0.100 ppm;
Edge area (within 20 mm of the edge):
Lead emission ≤ 0.050 μg/mL, Cadmium emission ≤ 4.00 μg/mL;
External decorations extending to the edge area: Materials with no detectable lead (≤ 0.02%) or cadmium (≤ 0.08%) must be used; in the wiping test (NIOSH 9100 method), lead in external decorations must be less than 1.0 μg or cadmium less than 8.0 μg, or lead in all decorative surfaces must be less than 4.0 μg and cadmium less than 32.0 μg.
2. Non-food contact ceramic and glass products (daily necessities)
External decoration (including edge areas) lead and cadmium content:
General products: Lead ≤0.06%, Cadmium ≤0.48% in decorative materials;
Children's products: Lead ≤0.02%, Cadmium ≤0.08% in decorative materials; wiping test: lead <1.0μg, cadmium <8.0μg;
External decoration below the edge: Lead ≤600ppm, Cadmium ≤4800ppm; If the wiping test releases less than 1μg of lead and less than 8μg of cadmium, a warning label is not required.
III. Test Report Processing Procedure
1. Application Stage: Submit a testing application to a third-party testing organization. The organization will assess the cost and processing time based on the product's material and type.
2. Document and Sample Preparation:
Provide 2-3 sets of product samples;
Submit the product instruction manual, Bill of Materials (BOM), and test application form;
3. Testing Stage: The laboratory conducts testing according to standard methods such as the NIOSH 9100 swab test and lead acetate solution immersion test;
4. Report Issuance: Upon successful testing, a California I-65 test report will be issued. Both paper and electronic versions of the report are available for submission.
IV. Report-Related Instructions
Validity Period: There is no fixed validity period, but if California Proposition 65 standards are updated, retesting and an updated report are required, and the old version will become invalid.
Consequences of Violation: Violating products may face fines of up to $2,500 per day, and may also incur substantial legal and investigation costs due to lawsuits by consumers or environmental groups, potentially exceeding one million dollars.
Warning Label Requirements: Products that fail to meet testing standards must be affixed with clear and reasonable warning labels, such as "WARNING: This product contains lead/cadmium, a known carcinogen/reproductive toxicant in California."
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