Filling Funnels
Funnels have a conical shape and short, wide stems for filling bottles or transferring powders. Filling funnels typically have a 60-degree angle that permits accurate fitting of filter paper, as well as vents or flutes to reduce vacuum formation and decrease filtering time.
Filling Funnel Materials
Glass
Borosilicate glass filling funnels include a strong beaded edge that resists chipping. Their resistant structure allows for the use of various reagents and chemicals. They also have a high resistance to thermal and mechanical shock and chemical attack. Funnels made from flint glass and soda-lime glass are also available.
Plastic
Plastic filling funnels may be disposable or reusable and are made from polystyrene, polypropylene, polyethylene (LDPE or HDPE), or other resins.
Metal
Metal funnels are durable and reusable and may be constructed from a variety of metals. Each has characteristics that facilitate a particular use and purpose.
Filling funnels are available in a range of sizes and dimensions. They are typically sized based on capacity — the volume they can contain. Dimensionally, they may vary in top diameter, stem length, stem diameter, bowl angle, bowl capacity, and overall length. Filling funnels may be classified as Class A or Class B based on tolerances specified by ASTM and other standards.
What Different Types of Glass Funnels Are Available?
• General-purpose glass filling funnels for channeling, filling, and decanting liquids
• Short-stem or powder funnels to prevent the stem from clogging during the handling of fine powders
• Long-stem analytical funnels, often used with filter papers
• Fluted funnels to help reduce vacuums and facilitate more rapid filtration
• Büchner, glass-filtering, or vacuum filtration funnels made with an integral sintered glass disc for filtering precipitates or particulates without the need for filter papers. The sintered discs come in a range of pore sizes, typically from 10 to 40 μm
• Pear-shaped separatory funnels (separating or separation funnels) fitted with a stopper and a PTFE or glass stopcock for separating layered immiscible liquids in chemistry applications
• Weighing funnels to function as weighing dishes and to transfer weighed solids to other vessels
Sklar Instruments Funnel, Sklar, Stainless Steel. This product is a 8-3/8 in. x 9-1/2 in. funnel with a 64 oz capacity. EA/1.
Funnel, Sklar, Stainless Steel. Sklar's Surgical Funnel features a hanging hook so it can easily be elevated above a patient's head when introduction of fluid is necessary as part of a surgical procedure. This product is a 8-3/8 in. x 9-1/2 in. funnel with a 64 oz capacity.
California Pacific Lab & Consulting 4IN ECO FUNNEL
Eco funnel, 4 in. dia. w/53B screw cap, Made of HDPE and has an easy use lid, gasket, positive latch, filter, and an 11 in. stem to effectively reduce chemical evaporation of hazardous solvents in the lab, 250mL
Ace Glass, Inc. 100mm powder funnel with 29/32 inner joint
100mm powder funnel with 29/32 inner joint is useful in pouring powders or liquids into ground joint containers.
Ace Glass, Inc. 190mm powder funnel with 45/50 inner joint
190mm powder funnel with 45/50 inner joint is useful in pouring powders or liquids into ground joint containers.
California Pacific Lab & Consulting FUNNEL SAFETY HAZARDOUS
Eco funnel, w/fS-70 screw cap, 8 in., Made of HDPE and has an easy use lid, gasket, positive latch, filter, and an 11 ft. stem to effectively reduce chemical evaporation of hazardous solvents in the lab, 1750mL
BURKLE INC Blue disposable powder funnel PS, Ø 3.94 in. (100 mm), sterile
The blue disposable powder funnel, made of polystyrene, is produced in a cleanroom class 7 (10,000), individually packaged for single use, and sterilized.
The unique blue color doesn’t naturally occur in food, making it easy to spot during visual inspections if mixed into production.
Using blue tools supports HACCP hazard analysis by helping identify foreign objects, crucial in food, animal feed, and pharmaceutical industries.
The funnel features a short, wide discharge ideal for transferring powders, granulates, suspensions, and liquids.
Its wide opening prevents clogging, making it a practical, hygienic accessory for sampling and lab use.
When combined with filter paper, it is also suitable for filtering applications.
Chemglass Life Sciences 150mm Powder Funnel, Modified, 29/42 Inner Joint, 45mm Flat Sided
150mm Powder Funnel, Modified, 29/42 Inner Joint, 45mm Flat Sided. Similar to CG-1720, but with one side flattened to allow funnel to be used in multi-neck flasks where space is limited. Flat side dimension is the distance between the center of the standard taper inner joint and the flattened side of the funnel. Funnels have 60º angled sides with a standard taper inner joint.
California Pacific Lab & Consulting 8 ECO FUNNEL RED LID WITH C
NC3800927 8 ECO FUNNEL RED LID WITH C
Sigma Aldrich Fine Chemicals Biosciences Ace powder funnel with flat side top diam. 100 mm, Joint: ST/NS 24/40 | 1EA
Ace powder funnel with flat side top diam. 100 mm, Joint: ST/NS 24/40 | 1EA
