{"data":{"id":"us-ca/prc-19515.5","jurisdiction":"us-ca","citation":"PRC § 19515.5","heading":"","body":"Chemical Composition\nTolerance\n(+ or -\nOxides Percentage Weight Percentage Range)\nSilicon Dioxide 66-75 1.00\nAluminum Oxide 0-7 0.50\nCalcium Oxide 5-15 0.50\nMagnesium Oxide 0-5 0.50\nSodium Oxide 8-18 0.50\nPotassium Oxide 0-4 0.50\nIron Oxide less than 0.5 0.05\nChromium Oxide less than 0.1 0.02\nSulfur Trioxide less than 0.2 0.02\nAll other oxides less than 0.1 0.02\nOrganic Carbon less than 0.1 0.02\nMoisture Content less than 0.5 0.05\n(No caking with free-flowing fiberglass)\nLoss on Ignition less than 1.0 0.10","path":["Public Resources Code - PRC","DIVISION 12.9. FIBERGLASS RECYCLED CONTENT ACT OF 1991 [19500. - 19535.]","CHAPTER 3. Cullet Specifications for Fiberglass Manufacturing [19515. - 19519.]"],"source_url":"https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zip","current_through":"2026-09-13","vintage":"","retrieved_at":"2026-09-14T05:56:33Z","sha256":"8ea020bcc0ee243a04498b32c7d8320db4dfb9d19cdbaef48e4890b22275d249","source_id":"us-ca","stale":false,"prev":"us-ca/prc-19515","next":"us-ca/prc-19516"},"notice":"GroundRules: Original legal text. Not legal advice."}