Our Products

Both laboratory and on-machine analyzers.
OpTest offers more than 185 test instruments.

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KRK Gate Roll Coater (Experimental)

Apply Coating Material on Paper and Board at a Precise Thickness

KRK Gloss Calender

Laboratory Calendering of Thick Paper

KRK Gravure Printability Tester (Monochrome Printing)

Laboratory Gravure Printability Tester to Simulate Commercial Press Printing

KRK Gurley Cobb Size Tester

Measure the Water Absorptiveness of a Single Side of Paper and Board

KRK Gurley Cobb Size Tester (Improved)

Measure the Water Absorptiveness of a Single Side of Paper and Board

KRK Gurley Standard Densometer (Type B)

Measure Air-permeability of Sheets (Air-Leak)

KRK Gurley Stiffness Tester (Automatic)

Automatic Measurement of Bending Resistance as a Measure of Stiffness

KRK Gurley Stiffness Tester (Motorized)

Measure Bending Resistance as a Measure of Stiffness

KRK Gurley-Hill SPS Tester

Measure Air-permeability, Smoothness, and Flexibility of Sheets (Air-Leak)

KRK Handle-O Meter

Measure the Handle (Touch) of Various Materials

KRK Heat Seal Tester

Test the Heat Seal on Plastic Films and Laminated Materials

KRK High Speed Coater with Dryer

Determine Coating Quality and Migration on the Sheet During Drying

KRK High Speed Dispersing Machine

Preparation of Coating Materials such as Sizing, Inks, Paints, and Adhesives

KRK High-consistency Disc Refiner

Laboratory Refiner for Natural and Synthetic Fibers to Simulate Production Refining

KRK High-consistency Disintegrator

Excellent for Disintegrating Recycled Paper and Board

KRK Horizontal Tensile Tester

Determine Tensile (Strength/Energy/Stiffness), Elongation and Breaking Length

KRK Horizontal Type Rotating Autoclave

Autoclave for Cooking Wood Chips

KRK Horizontal Type Rotating Autoclave (Programmable)

Autoclave for Cooking Wood Chips

KRK Ink Drying Tester

Drying Property of Letterpress or Lithography Ink is Evaluated

KRK Ink Kneader for Universal Printability Tester

Automatic Ink Kneader for the Universal Printability Tester

KRK Ink Pipette

Sample a Small Amount of Printing Ink to be Fed to the Ink Kneader

KRK Inking Device

Ink Kneader for IGT Testing Method

KRK Internal Bond Tester (Digital)

Measure Internal Bond Strength, Delamination Resistance, and Film Adhesion

KRK ISO Friction Coefficient Tester

Measure the Coefficient of Friction on a Paper Surface

KRK JIS Printability Tester (Single and 2-Color)

Mono or Two-Color Printability Tester

Need help choosing the right instrument?

Contact our team to discuss your testing requirements and find the best solution.