Science Lab Export offer Glassware Funnels may be a tube or pipe that is wide at the highest and narrow at the bottom, used for guiding liquid or powder into a small opening. The material used in its construction ought to be durable enough to face up to the load of the substance being transferred, and it should not react with the substance. Dropper funnels, also called dropping funnels or tap funnels, have a tap to allow the controlled unleash of a liquid. A flat funnel, product of polypropene, utilises living hinges and flexible walls to fold flat. Funnels are typically product of stainless steel, aluminium, glass, or plastic. Glassware Funnels Manufacturers, Glassware Funnels Suppliers, Glassware Funnels Exporters, Glassware Funnels in India, Glassware Funnels Manufacturers in India, Glassware Funnels Suppliers in India.

Glass Funnel

Product Code : SLE/GF/01

This small glass funnel is made from borosilicate glass and features a short stem. Perfect for use in chemistry experiments.

Specifications:

Material: Borosilicate Glass

Heat Resistant

Chemical Resistant

Diameter: 75 mm, 90 mm, 120 mm

Shape: Conical

Used in Laboratory.

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Plastic Funnel

Product Code : SLE/GF/02

Two-ounce capacity with 30 mm stem, 3 mm-diameter stem opening. 11 cm filter paper is recommended for this funnel and, when folded, will fit well inside the funnel without overhang.

Specifications:

Material: Plastic

Chemical Resistant

Diameter: 35 mm, 65 mm, 100 mm

Shape: Conical

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Buchner Funnel, 90 mm, Porcelain

Product Code : SLE/GF/03

A Buchner Funnel is used for vacuum filtration. 

This porcelain Buchner funnel is 90mm diameter and has a capacity of about 200 ml. 

The stem tapers from about 22 mm OD at the end to 30 mm OD at the cone.

Porcelain is durable, acid and alkali resistant, easy to clean and autoclavable.

Be sure to order with 11 cm filter paper, which will need to be cut down.

The one-piece design of the porcelain 90 mm Buchner funnel is perfect for vacuum filtrations.

The filter platform has dozens of small holes (about 1/8') to provide filtration efficiency. 

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Buchner Funnel, 90 mm, Polypropylene

Product Code : SLE/GF/04

A Buchner funnel is used for vacuum filtration. This two-part polypropylene funnel is 90 mm in diameter and has a capacity of about 300 ml. The filter has hundreds of small perforations for better filtration efficiency. The stem tapers from about 13 mm OD at the end to 18 mm OD at the cone - much smaller than typical porcelain Buchner funnels. Polypropylene is lightweight, acid and alkali resistant, easy to clean, and autoclavable. The top portion snaps to the lower one, forming a vacuum-tight seal that does not have to be greased.


 

Separatory Funnel, Squibb style

Product Code : SLE/GF/05

This separatory funnel is commonly used to separate two immiscible liquids of different densities. 

The heaver liquid settles at the bottom of the funnel and can be easily drawn off.

Separatory funnels are also used to slowly add a reagent in a distillation or to a reaction process. 

This Squibb-style conical-shaped funnel is made of high-quality borosilicate glass.

It has a PTFE stopcock, which never needs greasing.

The stopper size is 19/26 and made of Polyethylene.

 

Specifications:

Made from high-quality borosilicate glass to withstand typical laboratory temperature variations

Stopper Material: Polyethylene.

Capacity: 250 ml, 500 ml, 1000 ml

Heat Resistant

Chemical Resistant 

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Separatory Funnel

Product Code : SLE/GF/06

This 250 ml separatory funnel is used in a variety of inorganic and organic chemistry processes. The 24/29 standard taper connections are designed for use with other ground-glass joint glassware. This 250 ml separatory funnel is made of high-quality borosilicate glass that can be heated directly in an open flame and will withstand typical laboratory thermal variations common to chemistry processes like heating and cooling. It has a glass stopcock and 24/29 ground-glass stopper.

 

Specifications:

Made from high-quality borosilicate glass

Capacity: 250 ml

Overall Length: 340 mm 

Outside Diameter: 55 mm 

Ground-glass stopcock

Connection finish: 24/29 standard taper joints.

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Powder Funnel

Product Code : SLE/GF/07

These Polypropylene Funnels are best for transferring powdered reagents. 

These funnels are steam autoclavable.

The unique feature of these funnels is its parallel stem that minimizes bridging of powder. 

Use with 11 cm filter paper.

 

Specifications:

Material: Plastic

Diameter: 80 mm

Stem opening: 12.5 mm

Stem length: 30 mm

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Funnel Stand, Double

Product Code : SLE/GF/18

Polished wood base with clamping screws. 
Type: Double
Rods are approx. 460mm x 16mm dia.

Funnel, HDPE

Product Code : SLE/GF/19

Funnels designed for multipurpose use. 
Material: HDPE
Color: White
Chemical resistant
Make filling of carboys, drums and barrels very convenient. 
Handles make for ease use.

Thistle Funnel

Product Code : SLE/GF/20

Thistle funnel
Material: Neutral glass
Color: Clear
Stout walled. 
Length: 250mm. 
Diameter: 25mm
Heat resistant
Chemical resistant

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