{"version":"1.0","type":"card","id":"ef7b4e96-5fd1-4372-bc7b-f96ec047da0b","url":"https://stacklist.com/card/ef7b4e96-5fd1-4372-bc7b-f96ec047da0b","title":"Concrete Mix Selector Guide","source_url":null,"note":"This QUIKRETE selector guide compares five commercial-grade concrete mixes by detailing their unique attributes, compressive strengths at various ages, and relevant ASTM standards. It provides a comprehensive application matrix, indicating which specific concrete mix is suitable for a wide range of projects, including patios, footings, setting posts, structural elements, and repairs.","image":{"url":"https://ucarecdn.com/145426be-3d98-4272-bcef-4e86818996e7/","alt":"Concrete Mix Selector Guide","width":1400,"height":1400},"stack":{"id":"78665390-5662-49bc-aa61-053103e86bd5","title":"Product Selector Guides","url":"https://stacklist.com/stack/78665390-5662-49bc-aa61-053103e86bd5"},"created_at":"2026-08-03T06:01:37.897Z","updated_at":null,"aco":{"summary":"Concrete Mix Selector Guide provides specifications for QUIKRETE concrete products including standard mix, 5000 PSI, crack-resistant, and fast-setting options. Each product variant lists strength attributes, setting times, and recommended applications for construction projects ranging from patios to structural repairs.","tags":["concrete-mix","quikrete","construction-materials","concrete-strength","product-selector","building-applications"],"key_entities":[{"name":"QUIKRETE","type":"organization","confidence":0.99},{"name":"QUIKRETE 5000","type":"technology","confidence":0.95},{"name":"Q•Max Pro","type":"technology","confidence":0.95},{"name":"Crack Resistant Concrete","type":"concept","confidence":0.9},{"name":"Fast-Setting Concrete","type":"concept","confidence":0.9},{"name":"High Early Strength Gain","type":"concept","confidence":0.85}],"classification":"reference","language":"en","confidence":0.85,"provenance":{"model":"claude-haiku-4-5","tool":"@stacklist/be@0.1.0","confidence":0.85,"timestamp":"2026-09-23T10:39:35.087Z"},"token_counts":{"approximate":332,"cl100k":434},"content_hash":"sha256:66cef37dcd4aeb8f5727c35f8983e144d7a53f1182cca88841beff6abebf3790","acp_version":"0.2","body_available":true,"body_tokens":332,"visibility":"public","agent_accessible":true,"status":"final"},"_links":{"self":"/api/public/card/ef7b4e96-5fd1-4372-bc7b-f96ec047da0b.json","html":"https://stacklist.com/card/ef7b4e96-5fd1-4372-bc7b-f96ec047da0b","md":"/api/public/card/ef7b4e96-5fd1-4372-bc7b-f96ec047da0b.md","stack_json":"/api/public/stack/78665390-5662-49bc-aa61-053103e86bd5.json"}}