STOPPERS
338
Glass / Plastic
Full Length Hex Head Hollow Glass Stoppers Stoppers are used with laboratory glassware such as flasks and separatory funnels.
Standard Taper Glass Stoppers with KEM-KLAMP® Lug These stoppers are designed for use with 675500 KEM-KLAMPS®. • Pennyhead top has a lug attachment to engage the spring portion of the KEM-KLAMP® • Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements
•
Hollow, hexagonal head, Standard Taper stopper
• May be set on the flattened top to avoid contamination of the ground surface • Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements
Part Number 851800-2440
Standard Taper Joints
Case Qty
Part Number 850800-2440 850800-2942
Standard Taper Joints
Case Qty
24/40
1
24/40 29/42
1 1
Linear High-Density Polyethylene Stopper Polyethylene stoppers may be used as replacement parts for items that are ground to Standard Taper stopper dimensions.
Flathead Solid PTFE Stopper Flat head PTFE stoppers are used as closures for laboratory glassware such as solution bottles and separatory funnels.
• These yellow and blue stoppers have a closed bottom • The enlarged flange is designed to protect the neck if the glass object is tipped over
• • •
Standard Taper medium length joint Solid, bottle-style stopper made of PTFE
PTFE has excellent chemical resistance and resists freezing in ground glass joints
Part Number
Stopper Size
Case Qty
• Color button insert on top of the stopper serves as a means of color coding
28160R-9 28160R-13 28160R-16 28160R-19 28160R-22 28160R-27
9
6 6 6 6 6 6
13 16 19 22 27
Part Number Standard Taper Stopper Size Color Case Qty 850540-0014 14 Red 1 850540-0024 24 Blue 1 41941R-24 24 Blue 6 41941R-29 29 Green 6 41941R-34 34.5 Orange 6
Polyethylene Stoppers Low-cost polyethylene stoppers are an alternative to standard glass and PTFE stoppers.
Key-Head Color-Coded Medium Length PTFE Stoppers Stoppers are used with laboratory glassware such as flasks and separatory funnels.
• •
Leak-proof, air-tight seals Wide top flange for ease of use
•
PTFE has excellent chemical resistance and resists freezing in ground glass joints
Part Number 774240-0014 774240-0019 774240-0024 774240-0029
Standard Taper Size 14/10, 14/20, 14/35
Case Qty
100 100 100 100
• Remove the colored polyethylene handle from the PTFE stopper before cleaning or exposing to temperatures above 80 °C • Stoppers of sizes 9 through 22 are solid, and sizes 32 through 38 are hollow • Designed from ASTM Specification E675 Part Number Standard Taper Stopper Size Color Case Qty 41901R-8 9 Gray 6 41901R-9 9 Black 6 41901R-13 13 Orange 6 41901R-16 16 Blue 6 41901R-19 19 Green 6 41901R-22 22 Yellow 6 41901R-27 27 Red 6 41901R-32 32 Grey 6 41901R-38 38 Black 6
19/22 ,19/38 24/25 ,24/40 29/26, 29/42
Polyethylene Plug-Style Needle Closure • Designed for shell vials • Economical
Part Number
Fits Vials
Case Qty
73835-1 73835-2
60831D-1544, 60835D-1544
2,000 2,000
60831D-1231
60831D-830, 60831D-843, 60835D-843
73835-3
2,000
Powered by FlippingBook