When binding hard cover books, what are the key considerations for selecting adhesives and preparing the spine to ensure the book is durable, opens flat, and allows for smooth page turning? Provide details on adhesive types, spine preparation techniques, and adhesive properties for flexibility.
Navigate to 'https://www.pidiliteindustrialproducts.com/market/book-binding-adhesives/' Locate and read the 'Hard Cover Books' section. Identify information related to adhesive selection, spine preparation for durability and lay-flat ability, and adhesive properties for flexible page turning. Synthesize the identified information into a concise answer.
State that adhesive selection for hard cover books should consider paper type, cover material, and production volume, with hot melt, cold glue, and PUR as common options. Explain that proper spine preparation is crucial for strong, durable binding and achieving 'Lay-Flat Ability' (especially for manuals, textbooks, and cookbooks) by allowing adhesive penetration. Identify that glues remaining flexible after drying are essential for smooth page turning in both soft and hard cover bindings.