Public Resources Code § 19517

CHAPTER 3. Cullet Specifications for Fiberglass Manufacturing

Current as of September 28, 2026Pub. Resources Code, § 19517Official source ↗

Added by Stats. 1991, Ch. 706, Sec. 1.

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

+ ¼″		0%	0%
+ 12 Mesh		25% Minimum	0.5% Maximum
– 200 Mesh		15% Maximum	15.0% Maximum

Color Distribution
			Tolerance
			(+ or –
Type	Nominal Percentage Weight		Percentage Range)

Flint	0–100		+ or– 3.0
Green	1–100		+ or– 3.0
Amber	less than 25		+ or– 3.0