{"product_id":"national-laboratory-notebook-4-x-4-quad-ruled-brown-cover-100-sets","title":"National Laboratory Notebook 4 x 4 Quad Ruled, Brown Cover - 100 Sets","description":"\u003cp\u003eIn this review of the National Laboratory Notebook the bottom line is clear: this is a practical, no-frills lab record book for technicians, students, and researchers who need reliable, carbonless duplicates and a durable cover. The notebook impressed for everyday lab documentation because it contains \u003cstrong\u003e100 numbered carbonless sets\u003c\/strong\u003e that keep originals and copies together, with micro-perforated second sheets that make filing and sharing notes straightforward. Its stitched binding and pressboard cover give it a workmanlike durability that suits bench use and storage in a lab cabinet.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eCarbonless numbered sets:\u003c\/strong\u003e 100 white and yellow carbonless sets preserve an original and an immediate copy without needing a separate carbon sheet, which simplifies record keeping.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMicro-perforated second sheet:\u003c\/strong\u003e The perforation allows neat removal of the duplicate sheet for handing in lab reports or filing while the original stays bound in the book.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e4 x 4 quad ruling:\u003c\/strong\u003e The 4 x 4 in grid makes sketching graphs, drawing apparatus diagrams, and writing structured data easier at a consistent scale.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eStitched binding:\u003c\/strong\u003e The sewn construction holds pages securely for repeated use and resists pages falling out during frequent handling.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePressboard cover:\u003c\/strong\u003e The brown cover adds a rigid protective layer that helps the notebook survive on a busy bench or in a lab bag.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe notebook is best suited for laboratory technicians, engineering students, or researchers who need a simple, dependable way to keep paired records without dealing with loose carbon sheets. The numbered sets are useful when experiments require traceable entries and duplicates for supervisors or compliance.\u003c\/p\u003e\n\u003cp\u003eThose who want a premium archival binding, waterproof pages, or specialized chemical-resistant paper should look elsewhere; this is a functional, everyday lab notebook rather than a specialty archival volume.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eCarbonless white and yellow sets eliminate the need for separate carbon papers while keeping a clear copy for records.\u003c\/li\u003e\n \u003cli\u003eMicro-perforation of the second sheet makes it easy to remove and distribute duplicates cleanly.\u003c\/li\u003e\n \u003cli\u003eStitched binding and a pressboard cover improve durability for regular bench-side use.\u003c\/li\u003e\n \u003cli\u003eQuad ruled 4 x 4 in pages help maintain organized graphs and diagrams.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eThe notebook is functional but not designed for long-term archival protection against moisture or chemicals.\u003c\/li\u003e\n \u003cli\u003eSize and weight may be bulky for users who prefer a thin pocket notebook for field notes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHVAC Premium\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003ePage ruling\u003c\/td\u003e\n\u003ctd\u003e4 x 4 in quad ruled\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eSets per book\u003c\/td\u003e\n\u003ctd\u003e100 numbered carbonless sets (white and yellow)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCover\u003c\/td\u003e\n\u003ctd\u003eBrown pressboard\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eBinding\u003c\/td\u003e\n\u003ctd\u003eStitched\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eSheet features\u003c\/td\u003e\n\u003ctd\u003eSecond sheet micro-perforated\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003ePunching\u003c\/td\u003e\n\u003ctd\u003e3-hole punched\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e11 in x 9.25 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe National Laboratory Notebook is a solid, practical choice for anyone who needs reliable duplicate records and a durable workhorse notebook at an affordable price. It excels at routine lab documentation where numbered carbonless sets and easy-to-remove duplicates matter, making it good value for students and technicians who prioritize function over specialty features.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre the duplicate sheets easy to remove?\u003c\/strong\u003e\u003cbr\u003eYes, the second sheet is micro-perforated so duplicates tear out cleanly for filing or submission.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the book include numbered entries for traceability?\u003c\/strong\u003e\u003cbr\u003eYes, the notebook contains 100 numbered carbonless sets to keep originals and copies matched for record control.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the cover durable enough for bench use?\u003c\/strong\u003e\u003cbr\u003eThe brown pressboard cover and stitched binding provide practical durability for regular laboratory handling, though it is not waterproof.\u003c\/p\u003e","brand":"HVAC Premium","offers":[{"title":"Default Title","offer_id":48674610479323,"sku":"B00KKXVPT2","price":35.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51PQgLNg72L._SY445_SX342_QL70_FMwebp.webp?v=1778687974","url":"https:\/\/gearmusthave.com\/products\/national-laboratory-notebook-4-x-4-quad-ruled-brown-cover-100-sets","provider":"GearMustHave","version":"1.0","type":"link"}