2007 California Public Resources Code Chapter 3. Cullet Specifications For Fiberglass Manufacturing 19515-19519

CA Codes (prc: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 -
    Oxides               Percentage Weight        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



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
   Type                    Nominal                 (+ or -
                      Percentage Weight         Percentage 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.