ISRI Scrap Specifications Circular

26 Guidelines for Glass Cullet SCRAP SPECIFICATIONS CIRCULAR 2022 Copyright © 2022 Institute of Scrap Recycling Industries, Inc. Contaminant Listings: Outthrow Materials: Normal container labels; ring and metal closures where processing capabilities permit. Prohibitive Materials: Non-acceptable items include non- container glass (vision ware, light bulbs, crystal, windows, mirrors, drinking glasses, ceramic, milk glass, etc.) metals, ores, minerals, bricks, clay, grinding and refractory materi- als, rocks, clay and ceramic closures. General: The quality of the unprocessed amber container glass cullet must be such that after beneficiation with a con- ventional container glass cullet processor it will be suitable for the production of glass containers. UNPROCESSEDGREEN CONTAINER GLASS CULLET SPECIFICATIONS Composition: soda-lime-silica beverage or food container glass. Cullet Colors Segregation: Green Cullet Green 90-100% Flint 0-10% Amber 0-10% Other Colors 0-5% Size: Cullet may be broken but not pulverized. Moisture: Cullet should be free of excess moisture. Contaminant Listings: Outthrow Materials: Normal container labels; ring and metal closures where processing capabilities permit. Prohibitive Materials: Non-acceptable items include non- container glass (vision ware, light bulbs, crystal, windows, mirrors, drinking glasses, ceramic, milk glass, etc:) metals, ores, minerals, bricks, clay, grinding and refractory materi- als, rocks, clay and ceramic closures. General: The quality of the unprocessed green container glass cullet must be such that after beneficiation with a con- ventional container glass cullet processor it will be suitable for the production of glass containers. PROCESSED (FURNACE READY) FLINT CONTAINER GLASS CULLET SPECIFICATIONS Composition: Soda-lime-silica container glass. Container Glass Cullet Colors Segregation: Flint Cullet Flint 95-100% Amber 0-5% Green 0-1% Other Colors 0-.5% Total NON-Flint Cullet = <5% Size: Various sizes from whole glass containers to -100 Mesh. However, the ideal material size is 3/8” to 3/4” with a 10% minimum of fine particles. Material size is based upon buyer and seller’s agreement. Contaminant Listings: Outthrow Materials: Organic Matter, allowable percentage based upon buyer and seller’s agreement. Prohibitive Materials: Ferrous Metals Nonferrous Metals Ceramics (such as cups, saucers, dinnerware, pottery, etc.) Other Glass (for example, plate window glass, heat- resistant glass—such as Pyrex—and lead-based glass— such as crystal ware, television tubes, vision ware, etc.) Other Materials (such as bricks, rocks, etc.) PROCESSED (FURNACE READY) AMBER CONTAINER GLASS CULLET SPECIFICATIONS Composition: Soda-lime-silica container glass Container Glass Cullet Colors Segregation: Amber Cullet Amber 90-100% Flint 0-10% Green 0-10% Other Colors 0-5% Total NON-Amber Cullet= <10% Size: Various sizes from whole glass containers to -100 Mesh. However, the ideal material size is 3/8” to 3/4” with a 10% minimum of fine particles. Material size is based upon buyer and seller’s agreement. Contaminant Listings: Outthrow Materials: Organic Matter, allowable percentage based upon buyer and seller’s agreement. Prohibitive Materials: Ferrous Metals Nonferrous Metals Ceramics (such as cups, saucers, dinnerware, pottery, etc.) Other Glass (for example, plate window glass, heat- resistant glass—such as Pyrex—and lead-based glass— such as crystal ware, television tubes, vision ware, etc.) Other Materials (such as bricks, rocks, etc.) PROCESSED (FURNACE READY) GREEN CONTAINER GLASS CULLET SPECIFICATIONS Composition: Soda-lime-silica container glass Container Glass Cullet Colors Segregation: Green Cullet Green 70-100% Flint 0-15% Amber 0-15% Other Colors 0-10% Total NON-Green Cullet= <30% The color green typically consists of a variety of shades, for example: emerald green or lime green. Size: Various sizes from whole glass containers to -100 Mesh. However, the ideal material size is 3/8” to 3/4” with a 10% minimum of fine particles. Material size is based upon buyer and seller’s agreement. Contaminant Listings: Outthrow Materials: Organic Matter, allowable percentage based upon buyer and seller’s agreement. Prohibitive Materials: Ferrous Metals Nonferrous Metals Ceramics (such as cups, saucers, dinnerware, pottery, etc.)

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