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California Code, Public Resources Code - PRC § 19515.5

Current as of January 01, 2025 | Updated by Findlaw Staff

Chemical Composition

Oxides

Percentage Weight

Tolerance
(+ or -
Percentage Range)

Silicon Dioxide

66-75

1.00

Aluminum Oxide

0-7

0.50

Calcium Oxide

5-15

0.50

Magnesium Oxide

0-5

0.50

Sodium Oxide

8-18

0.50

Potassium Oxide

0-4

0.50

Iron Oxide

less than 0.5

0.05

Chromium Oxide

less than 0.1

0.02

Sulfur Trioxide

less than 0.2

0.02

All other oxides

less than 0.1

0.02

Organic Carbon

less than 0.1

0.02

Moisture Content

less than 0.5

0.05

(No caking with free-flowing fiberglass)

Loss on Ignition

less than 1.0

0.10
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Cite this article: FindLaw.com - California Code, Public Resources Code - PRC § 19515.5 - last updated January 01, 2025 | https://codes.findlaw.com/ca/public-resources-code/prc-sect-19515-5/

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