Watch Glasses / Lab Dishes - Blowout Sale! Save up to 56%


Blowout Sale! Up to 56% off on Watch Glasses (in Lab Dishes) at Periodic Table on the Web [125]. Top brands include EISCO, hand2mind, Cole-Parmer, United Scientific Supplies, Karter Scientific, Corning, LabStock, BURKLE INC, Kimble Chase, American Educational Products, & Deschem. Hurry! Limited time offers. Offers valid only while supplies last.



12PK Watch Glass Beaker Covers, 7.5cm - Eisco Labs
By EISCO
In Stock
$13.87

mpn: CH0554C, ean: 0849230025021,

4.5 out of 5 stars with 33 reviews
EISCO Watch Glass (Beaker Cover), 7.5cm, Pack of 12 Watch glasses are highly functional laboratory glassware that have a variety of uses in the classroom or lab.The concave dishes are designed in a variety of sizes, our EISCO watch glasses work well as lids for flasks and beakers, or holding small samples for observation under a low-power microscope. These watch glasses are ideal for evaporating liquids off of samples, such as growing seed crystals. They can be used for making lenses of ice or o


12PK Watch Glass Beaker Covers, 5cm - Eisco Labs
By EISCO
In Stock
$13.02
$12.40
You Save: 5%

mpn: CH0554A, ean: 0849230025007,

4.2 out of 5 stars with 10 reviews
EISCO Watch Glass (Beaker Cover), 5cm, Pack of 12 Watch glasses are highly functional laboratory glassware that have a variety of uses in the classroom or lab.The concave dishes are designed in a variety of sizes, our EISCO watch glasses work well as lids for flasks and beakers, or holding small samples for observation under a low-power microscope. These watch glasses are ideal for evaporating liquids off of samples, such as growing seed crystals. They can be used for making lenses of ice or oth


hand2mind United Scientific Glass Streak Plates (Pack of 12)
By hand2mind
In Stock
$13.68
$6.95
You Save: 49%

mpn: 46296, ean: 0084885016639,

4.0 out of 5 stars with 48 reviews
Streak plates are used in the identification of rocks and minerals. This set of 10 glass streak tiles is perfect for classroom or lab demonstrations. Each tile measures 2-in x 2-in x 1/16-in.Used to identify rocks and minerals, unglazed streak plates retain the color of the mineral. Great classroom tool to teach streak testing. Each streak plate measures 2'' x 2'' x 1/16''. Set of 12 streak plates. Grades 6-8.


Cole-Parmer Watch Glass, 50 mm, fits 100 mL beakers, 12/pk
By Cole-Parmer
In Stock
$18.00
$14.25
You Save: 21%

mpn: AO-34508-50,

4.1 out of 5 stars with 57 reviews
Manufactured from clear glass sheet (1.8 to 2.0mm thick), these Watch Glasses are fire ground and have polished edges. Concave shape prevents sliding and return of condensation to the beaker.Product Type: watch Glasses. Diameter: 50 mm. Fits beaker Size: 100 ml. Qty/pk: 12. Brand: cole-parmer.


United Scientific WGL090 Clear Flint Glass Watch Glass, 90mm Diameter (Pack of 12)
By United Scientific Supplies
In Stock
$14.31

mpn: WGL090,

4.1 out of 5 stars with 20 reviews
These economy watch glasses are made from clear flint glass (1.8 to 2.0 mm thick), fine ground with polished edges.Made from clear flint glass. 1.8 to 2.0 mm thick. Fine ground and polished edges.


12PK Watch Glass Beaker Covers, 6cm - Eisco Labs
By EISCO
In Stock
$13.13

mpn: CH0554B, ean: 0849230025014,

4.0 out of 5 stars with 59 reviews
EISCO Watch Glass (Beaker Cover), 6cm, Pack of 12 Watch glasses are highly functional laboratory glassware that have a variety of uses in the classroom or lab.The concave dishes are designed in a variety of sizes, our EISCO watch glasses work well as lids for flasks and beakers, or holding small samples for observation under a low-power microscope. These watch glasses are ideal for evaporating liquids off of samples, such as growing seed crystals. They can be used for making lenses of ice or oth


United Scientific Supplies WGL050 Watch Glass 50 Mm Pk.12
By United Scientific Supplies
In Stock
$13.59
$6.00
You Save: 56%

mpn: WGL050,

4.2 out of 5 stars with 16 reviews
United Scientific Supplies WGL050 Watch glass, 50mm diameter, Pack of 12. Easy to Use and Reliable. Manufactured at United States.50Mm diameter. For covering boiling solutions. Fire-polished edges. Concave shape.


United Scientific Supplies WGB170-80 Watch Glass, Premium, 80mm Diameter (0)
By United Scientific Supplies
In Stock
$11.37
$11.30

mpn: WGB170-80,

4.4 out of 5 stars with 27 reviews
Made from soda Lime glass (1.8 mm thick), fine ground and flame polished edges. 80Mm diameter. Premium. Pack of 10. Made in Czech Republic. Manufactured by United Scientific Supplies. Easy to Use.80Mm diameter. Premium. Pack of 10.


150mm Plain Watch Glass Beaker Cover, Karter Scientific 213H12 (Pack of 10)
By Karter Scientific
In Stock
$12.18

mpn: 213H12, ean: 0817556011233,

4.9 out of 5 stars with 22 reviews
Karter Scientific is a registered trademark in United States of America. To maintain quality control, authorized permission is required in the resale of our products. Glass Watch Glass with high chemical durability, thus preventing contamination of solutions. They are molded to the same radius of curvature for convenient stacking. The heavy wall and uniform fire-polished edge provide mechanical strength.150mm diameter plain watch glass/beaker cover. Fits Griffen Beaker size 600 - 2000ml. High qu


Corning Pyrex #9985-150, 150mm Diameter Plain Watch Glass/Beaker Cover (Single)
By Corning
In Stock
$12.99

mpn: 9985-150(single),

4.5 out of 5 stars with 16 reviews
These 150mm diameter PYREX watch glasses are designed to fit 2L PYREX beakers. They possess high chemical durability, thus preventing contamination of solutions. They are molded to the same radius of curvature for convenient stacking. The heavy wall and uniform fire-polished edge provide mechanical strength. The outside diameter cannot be controlled within close limits and a slight degree of out-of-round can be expected to occur.Diameter: 150mm approx. Reusable. Heavy Duty Rim.


Watch Glass, 150mm Pack of 10
By LabStock
In Stock
$29.95

mpn: LB1-150/10,

4.6 out of 5 stars with 45 reviews
Slightly concave watch glass, 150mm / 6 in. diameter, made of soda - lime glass. Many many uses around the laboratory including covering beakers to prevent evaporation or use as a shallow culture dish. 150mm size will serve as a nice lid for larger size beakers up to 2000 ml capacity. *** Please note: Edges are machine ground, not fire polished like a beaker or test tube rim. The fine-grit machine grinding does make the edge very smooth and safe for handling, but it will contain slight cosmetic


Corning 9990-75 Ribbed Watch Glass/Beaker Cover, 5mm Diameter (Pack of 12)
By Corning
In Stock
$85.15

mpn: 9990-75,

4.9 out of 5 stars with 27 reviews
PYREX 75mm diameter ribbed watch glasses are designed for use as covers for 250ml PYREX beakers. Ribs are molded into the glass so that they can't pop off as they do when cane is sealed to standard watch glasses. Permits escape of excess vapor and eliminates risk of contamination from dropped hooks or props. Meets EPA requirements for methods 3005, 3010, and 3020. Material: Borosilicate Glass Code 7740. Glass Style: Ribbed. Top Style: Heavy Duty Rim. Fits Griffin Beaker Size: 250mL. Diameter: 75


BURKLE 9695-1025 Burkle 9695-1025 Titrating Automatic Burette (Burette), Borosilicate Glass; 25 ml
By BURKLE INC
In Stock
$82.25
$70.25
You Save: 15%

mpn: 9695-1025,

4.5 out of 5 stars with 54 reviews
These automatic titrating burettes (burets) feature graduations according to category b (tolerances according to DIN EN ISO 385). the included bottle, tube, and Stopcock are made of polyethylene, polypropylene, natural rubber, and borosilicate glass wetted parts. Precise dosing using press button dispensing constructed with a borosilicate glass 3.3 burette (burette) flexible left- or right-handed operation possible accurately titrate with the micro-screw and discharge jet designed with a 25 ml c


12PK Watch Glass Beaker Covers, 10cm - Eisco Labs
By EISCO
In Stock
$16.98

mpn: CH0554E, ean: 0849230025045,

4.3 out of 5 stars with 26 reviews
EISCO Watch Glass (Beaker Cover), 10cm, Pack of 12 Watch glasses are highly functional laboratory glassware that have a variety of uses in the classroom or lab.The concave dishes are designed in a variety of sizes, our EISCO watch glasses work well as lids for flasks and beakers, or holding small samples for observation under a low-power microscope. These watch glasses are ideal for evaporating liquids off of samples, such as growing seed crystals. They can be used for making lenses of ice or ot


Kimble Chase 72001-100 Fire-Polished Edge Watch Glass, 100 mm Diameter (Pack of 10)
By Kimble Chase
In Stock
$27.08
$26.21
You Save: 3%

mpn: 72001-100,

4.3 out of 5 stars with 24 reviews
Concave circular glass used as an evaporation surface for liquids, to cover beakers, or to hold solids when being weighed.Fire-polished edge. 1.2 mm minimum thickness. Diameter tolerance +/-1 mm. Manufactured from 90 expansion soda-lime glass conforming to USP Type III requirements.


American Educational Fired Edges Watch Glass 65mm Diameter
By American Educational Products
In Stock
$10.29

mpn: 7-000-107, ean: 0795721135444,

4.4 out of 5 stars with 28 reviews
Watch glass has multiple uses in a laboratory. It may be applied as a jar cover in condensation experiments, a protective lid to prevent contamination by dust particles when using a container, and as an evaporative surface when crystallization or precipitation are being observed.Watch Glass with Fired Edges. 65mm Diameter.


Deschem Laboratory Watch Glass Dishes Lab Surf ace Disk 5 Piece/Lot
By Deschem
In Stock
$15.99

mpn: DESBMM02-120mm,

4.9 out of 5 stars with 46 reviews
Lab Watch Glass Dish,Surface Disk,Outer Diameter 100mm 120mm 150mm 180mm available5Pcs/LotBe Made From G3.3 Borosilicate Glass. Annealing Point ------560℃. Linear Coefficient of Expansion------ 32×10-7/℃. Softening Point------820℃.


Watch Glass, 100mm Pack of 10
By LabStock
In Stock
$21.95

mpn: LB1-100/10,

4.2 out of 5 stars with 15 reviews
Slightly concave watch glass, 100mm / 4 in. diameter, made of soda - lime glass. Many many uses around the laboratory including covering beakers to prevent evaporation or use as a shallow culture dish. 100mm size will serve as a nice lid for medium size beakers up to 600 ml capacity. *** Please note: Edges are machine ground, not fire polished like a beaker or test tube rim. The fine-grit machine grinding does make the edge very smooth and safe for handling, but it will contain slight cosmetic b


United Scientific WGL125 Clear Flint Glass Watch Glass, 125mm Diameter (Pack of 12)
By United Scientific Supplies
In Stock
$24.33
$18.90
You Save: 22%

mpn: WGL125,

4.8 out of 5 stars with 17 reviews
These glasses are made from clear flint glass (1.8 to 2.0 mm thick), fine ground and polished edges.Diameter : 125 mm. Supplier No. : WGL125. Unit : Case of 12.


12PK Watch Glass Beaker Covers, 9cm - Eisco Labs
By EISCO
In Stock
$17.65

mpn: CH0554D, ean: 0849230025038,

4.8 out of 5 stars with 49 reviews
EISCO Watch Glass (Beaker Cover), 9cm, Pack of 12 Watch glasses are highly functional laboratory glassware that have a variety of uses in the classroom or lab.The concave dishes are designed in a variety of sizes, our EISCO watch glasses work well as lids for flasks and beakers, or holding small samples for observation under a low-power microscope. These watch glasses are ideal for evaporating liquids off of samples, such as growing seed crystals. They can be used for making lenses of ice or oth



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