Reusable. Borosilicate Glass. Made of Kimble* KG-33 borosilicate glass to resist heat, mechanical shock and chemical attack. Walls are uniform and strong, with heavy bottoms. With rim and fused-on, white enamel spot for marking. Size,mm: 25x150. Volume: 55ml.
Test Tube, Flat bottom, with bakelite screw cap, Material: Made from high quality, heavy duty, Borosilicate Glass, Dimension: 25x72mm, capacity: 15ml, pack of 24
Test Tube, Material: Made from high quality, heavy duty, Borosilicate Glass, Dimension: 100x16mm, rimless, Autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks, capacity: 12ml, PK48
Test Tube, plain, with bakelite screw cap & rubber liner, Material: Made from high quality, heavy duty, Borosilicate Glass, Dimension: 150x18mm, capacity: 25ml, pack of 24
Double Convex Lens, Highly polished, optically true lens is excellent for physics classroom demonstrations in optics and light refraction, with ground edges, great for physics classrooms, with highest grade, Size: 200 mm focal length, Lens measures 2in diameter, 0.2 weight