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Home  >>  Products  >>  Drying Time/Gelation  >>  Techne Gelation Timers

Techne Gelation Timers

Techne Gelation Timers


The Techne Gelation Timers determine the gelation time for polymers, plastics, sealants, adhesives. Rheological consistency frequency determines the desirability of a product for a particular application. For example, in resins for surface coatings, in paint manufacture, in adhesives. As a result the accurate laboratory determination of gelation time is necessary for the adjustment of manufacturing formulations or control of processing conditions.

The mechanical compression test utilized by the Techne Gelation Timer is preferred over other methods, for example, gel swelling test, agitation test, SP1 gel time, because it provides repeatable gelation times consistent with the physical and chemical change in the gelating fluid. The instrument is sensitive to elastic rather than viscous changes in the fluid and as a result provides more consistent and repeatable results.

Conforms to BS 5350 B5; BS 3532 K; BS 3815 K; BS 5617; BS 2782-8


  • Stops automatically when gelation occurs
  • Light shows completion of gelation
  • Digital LED counter shows time to nearest minute or 0.1 minute
  • Easy to use
  • Conveniently mounted from retort stand
  • Plungers removable for easy cleaning
  • Narrow construction. Mount several in lab area
  • Thin body construction enables several units to be mounted side by side and with small water bath.
  • Sample cups & disposable plungers available
Gelation Timers

Technical Data

Technical Data
Dimension inches (mm) Housing - H x W x D: 4.7 (119) x 2.7 (69) x 3.7 (94)
Length With Plunger: 10.6 (269)
Support For Retort Stand: 5.2 (132) long x 0.5 (13) diameter


GT-5: 9999 minutes in 1 .0 min. increments
GT-6: 999.9 minutes in 0.1 min. increments
Amplitude of Reciprocation in. (mm): 0.5 (13)
Accuracy of Gelation Time: ± 2%
Electrical Supply: 120V
Net Weight: 2lb. (0.9kg)

Instructions for Use

  • The Models GT-5/6 incorporate a removable stainless steel plunger which is reciprocated vertically by mechanical means in the liquid under test.
  • When gelation occurs the resulting elasticity of the material supports the weight of the plunger causing a switch inside the instrument to close, the clock to stop and an indicating light to come on.
  • Model GT-5 reads to the nearest minute. Model GT-6 to the nearest 0.1 minute.
  • The weights of the plungers are accurately maintained and the effective weight as part of the reciprocating mechanism in the instrument to ensure consistent and repeatable results with the same instrument and between different instruments.
  • A small vibration is applied to the reciprocating motor of the plunger to overcome friction.


Sample Cups
100 ml sample cups are available in packs of 12, having an I.D. of 1.5 in (38mm) and depth of 3.0 in. (76mm) which are suitable for use with GT-5/6. 100 ml is the recommended minimum sample size. To order specify GT-6027846, sample cups, pack of 12.

Disposable Plungers
For applications where it may be difficult to remove the stainless steel plungers, glass disposable plungers are available supplied in packs of 100 with adaptor, accurately weighted to maintain instrument repeatability. Adaptor screws into instrument and glass plunger is a push fit into the adaptor.



Prices subject to change    Prices listed in US dollars for domestic shipments within US, Canada, & Mexico only    Export orders require quotations - click here for a quote     For more info call us 1-800-762-2478 or 954-946-9454.
Item Number Item Prices

Gel timer, Stainless steel plunger
GT-2010500 GT5 Gelation Timer, 1 rpm motor, 120V $3,114.00
GT-2010600 GT6 Gelation Timer, 10 rpm motor, 120V 3,125.00
GT-2010800 GT6 Gelation Timer, 10 rpm motor, 230V 3,146.00
GT-201000/CERT Calibration Certification to NIST (order separately) 274.00
LA-290509 Retort Stand w/clamp, 28" Rod 539.00
GT-6027846 Sample Cups, 12 119.00
GT-6020985 Stainless Steel Plunger, 7/8" (22mm) diameter 238.00
GT-6021794 Glass Disposable Plungers, 100/package w/adapter 3,554.00


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