{"product_id":"volumetric-flask-250ml-class-a-polypropylene-stopper-white-graduation-individual-work-certificate-borosilicate-glass-copy","title":"Volumetric Flask, 250mL - Class A - Polypropylene Stopper - Blue Demarcation Line - Individual Work Certificate - Borosilicate Glass","description":"\u003cul\u003e\n\u003cli\u003eINDUSTRIAL STRENGTH || Made of high quality, heavy duty, Borosilicate 3.3 glass. Designed for use in professional laboratories, but is ideal for classroom, garage and home use\u003c\/li\u003e\n\u003cli\u003e250ML CAPACITY || Flask has a 250ml capacity, calibrated to contain, and features a single BLUE graduation mark. Fitted with an interchangeable 14\/23 polypropylene stopper\u003c\/li\u003e\n\u003cli\u003eCLASS A || Class A tolerance, ??0.15ml as per ISO 1043 standard - Includes individual work certificate\u003c\/li\u003e\n\u003cli\u003eSUPERIOR HEAT \u0026amp; CHEMICAL DURABILITY || Microwavable and autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures \u0026amp; thermal shocks\u003c\/li\u003e\n\u003cli\u003eMANUFACTURED BY EISCO LABS || Eisco Labs proudly manufactures its own products using state-of-the-art equipment, and following the highest standards of quality control. Each product is carefully designed by a team of laboratory professionals and experienced engineers with quality and durability in mind\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e250ml capacity volumetric flask made of high quality, heavy duty Borosilicate 3.3 glass. Single, white graduation mark. Includes an interchangeable, 14\/23 polypropylene stopper. Class A, tolerance, ??0.15ml as per ISO 1043. Calibrated to contain.\u003cbr\u003eFlask stands 9.5\" tall, and has a bottom diameter of 79mm. Neck has a diameter of 18mm.\u003cbr\u003eAutoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures \u0026amp; thermal shocks. Eisco Labs Borosilicate glass has the following heat tolerances: Strain Point -515??C | Annealing Point 565??C | Softening Point 820??C.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eEisco Labs proudly manufactures its own products using state-of-the-art equipment, and following the highest standards of quality control.\u003c\/b\u003e\u003cbr\u003eEach product is carefully designed by a team of laboratory professionals and experienced engineers with quality and durability in mind. They are manufactured with only the highest grade, raw materials and according to international quality standards to ensure that they can withstand use in even the toughest laboratory environments.\u003c\/p\u003e","brand":"Eisco Labs","offers":[{"title":"Default Title","offer_id":45069521748160,"sku":"CH1952HBL","price":21.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/0623\/files\/rqlzi8unyqjtlqvq3os9.jpg?v=1748461874","url":"https:\/\/www.thelabstockroom.com\/products\/volumetric-flask-250ml-class-a-polypropylene-stopper-white-graduation-individual-work-certificate-borosilicate-glass-copy","provider":"The Lab Stockroom","version":"1.0","type":"link"}