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CR Scientific

Clamps, Supports, and Stands for laboratory ware (Page 2)


Support rings

Support Ring with Clamp - made to be clamped onto the upright rod of C140 or C150 to make a "ringstand".  Certain glassware should also be supported with an extension clamp or burette clamp to prevent spillage.
A wire gauze should be used when heating glassware with an open flame such as a Bunsen burner.  A 3" support ring is good with a 4" wire gauze, a 4" ring is good with 5" wire gauze, and so forth.
The support ring and clamp are zinc-plated cast iron. The set screw is nickel-plated steel.  These rings are designed to clamp onto an upright rod of up to 9/16" diameter.

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C460. Support Ring, 3" (nominal diameter).  
Ship wt. 0.6 lb.
Price: $4.99 each
Quantity:
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C470. Support Ring, 4" (nominal diameter).  Most popular size.  Best with a 5" wire gauze and Erlenmeyer flasks up to 250 mL or beakers up to 400 ml.
Ship wt. 0.8 lb.
Price: $5.99 each
Quantity:
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C480. Support Ring, 5" (nominal diameter) (not shown in photo, but same style as C460 and 470).
Ship wt. 1.1 lb
Price: $6.99 each
Quantity:
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C140. Support Stand, cast iron with black enamel finish (not shown in photo, but same style as C150). Base size 4 x 6 inches; rod is 5/16" dia. x 18" long.
Ship wt. 3 lbs.
Price: $8.99 each
Quantity:
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C150. Support Stand, cast iron with black enamel finish. Base size 5 x 8 inches; rod is 3/8" dia. x 20" long.
Ship wt. 4 lbs.
Price: $10.99 each
Quantity:



Shipping costs are calculated by weight.  Shipping quotes are available on the shopping cart page.
Minimum order:  $10.00




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Burner Tripods

Clay Triangles for Crucibles

More clamps and stands are available on Page 1 of this category.

Wire Gauze for use with ringstands



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