19515-19519
PUBLIC RESOURCES CODE
SECTION 19515-19519
19515. The quality specifications provided in this chapter are the
minimum quality specifications which cullet is required to meet for
purposes of the exemption specified in Section 19522.
19515.5. Chemical Composition
Tolerance
(+ or -
Percentage Percentage
Oxides Weight 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 0.05
0.5
Chromium Oxide less than 0.02
0.1
Sulfur Trioxide less than 0.02
0.2
All other oxides less than 0.02
0.1
Organic Carbon less than 0.02
0.1
Moisture Content less than 0.05
0.5
(No caking with free-
flowing fiberglass)
Loss on Ignition less than 0.10
1.0
19516. Contaminants
Other Inorganic Material Percentage Weight
+ 12 Mesh None
+ 20 Mesh less than 0.1
- 20 Mesh less than 0.2
Magnetic Materials less than 0.1
Nonmagnetic Metals None
19517. Physical Composition
Particle Size: Cullet shall be one of two types
below depending
upon the requirements of the fiberglass
manufacturer.
Screen Size Coarse Cullet Fine Cullet
+ 1/4" 0% 0%
+ 12 Mesh 25% Minimum 0.5% Maximum
- 200 Mesh 15% Maximum 15.0% Maximum
Color Distribution
Tolerance
Nominal (+ or -
Type Percentage Percentage
Weight Range)
Flint 0-100 + or - 3.0
Green 1-100 + or - 3.0
Amber less than 25 + or - 3.0
19518. The department may change minimum quality specifications
based upon the fiberglass industries' ability to use cullet with
higher levels of contamination.
19519. A fiberglass manufacturer shall comply with all applicable
state and federal laws, regulations, and permits concerning the
environment, health, or safety when using cullet in fiberglass
manufacturing.