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Both laboratory and on-machine analyzers.
OpTest offers more than 200 test instruments.
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High Pressure Densometer
This machine has a configuration like the standard densometer, except t…
High Speed Coater with Dryer
In the paper making, drying is done immediately after coating. The paper coating…
High Speed Dispersing Machine
Development of coating materials requires preparation of coating materials…
High-consistency Disintegrator
A considerable amount of waste paper is used as low cost material…
Horizontal Tensile Tester
This tester holds both sides of the test specimen and pulls it at a constant…
Horizontal Type Rotating Autoclave
This autoclave is used in a range of chemical experiments as well as for…
Horizontal Type Rotating Autoclave (Programmable)
This autoclave is used in digestion experiments on various wood chips….
Ink Drying Tester
Drying property of letterpress or lithography ink is evaluated, by measuring…
Ink Kneader for Universal Printability Tester
This is an ink kneader with separate portions for the universal printability…
Ink Pipette
For the process of print testing, correct ink sampling is an important factor…
Inking Device
This kneader depends upon IGT testing method, with a process of kneading…
Internal Bond Tester
As higher operating speeds are enabled for presses and machine tools…
Internal Bond Tester (Digital)
Like the No.2085, this tester dynamically measures delamination strength…
ISO Friction Coefficient Tester
The coefficient of friction on paper surface is one characteristic that provides…
ISO Printability Tester (IGT Testing Method)
Printability testers are used not only for papers, but also for sheet like…
JIS Printability Tester (Single and 2-Color)
In order to measure paper surface strength, the IGT testing method is…
Klemm Tester
This tester is designed to offer easy measurement of absorptiveness of liquids…
KRK 2500 Series Refiner Plates
The pattern and material of the plate has a close relationship with not…
KRK Absorptometer
Liquid penetration behavior of paperboard is important, since it is closely…
KRK Continuous High-consistency Refiner
This refiner, like the NO.2500-I, has been developed for continuous…
KRK High Shear Viscometer
Along with the progress in coating technology, especially with diversification…
KRK High-consistency Disc Refiner
The refiner is one of basic machines used in test and research area of pulp…
KRK Light Load Type Tearing Tester
This machine was developed with KRK’s own technology to test the tear…
KRK Pneumatic Type Standard Sheet Former
The conventional paper handmaking needs much labor for agitation…
KRK Pressurized Refiner
Since there is a keen demand for resource saving and no pollution in the world…
KRK Rotary Dryer
This dryer is used for drying in the paper handmaking process…
KRK Rotary Dryer (High Temperature)
Like the type I model, this dryer dries wet paper placed on canvas in a Yankee…
KRK Sheet Splitter
This tester is used in studies of sheet structures. By splitting paper into several layers…
KRK Specimen Cutter
This cutter allows easy sampling of paper and film specimens for tensile and…
KRK Sym-size Press
Fabrication of coated paper uses various types of coating. This size press is…
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