Our Products

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

Filter Product

Semi-automatic Sheet Former

Pulp Hand-sheet Former (Performs All the Steps)

Sheet Machine Dryer (Air)

Air Dry Hand-sheets at Room Temperature

Sheet Press (245 x 245 mm)

De-water and Press Hand-sheets According to TAPPI, ISO, SCAN Methods

Sheet Press (Air)

Pneumatic Sheet Press

Short Span Compression Tester

Measure the Compressive Strength and Index

Size Gum-up Tester (A Model)

Evaluate Size Liquid to Determine Correct Mix to Reduce Size Gumming

Size Gum-up Tester (B Model)

Evaluate Size Liquid to Determine Correct Mix to Reduce Size Gumming

Small Size Calender

Laboratory Calendering of Paper including Handmade Paper

Somerville Screen for Shive Content Analysis

Separate Shives and Other Particles in Pulp

Somerville Shive Content Analyzer

Separate Shives and Other Particles in Pulp

Specimen Storage Chest (300L)

A Storage Chest That Can Be Used for Blending Specimens (300L Capacity)

Spectrophotometer

Measure ISO Brightness (Whiteness), Color and Differences, Fluorescence, Opacity

Speed Dryer

Heat Dry Hand-sheets

Square Sheet Former (250mm Square with Ball Valve)

Square Pulp Hand-sheet Former with Ball Valve (250mm)

Square Sheet Former (250mm Square with Vacuum Tank)

Square Pulp Hand-sheet Former with Vacuum Tank (250mm)

Square Sheet Former (250mm Square)

Square Pulp Hand-sheet Former (250mm)

Square Sheet Former (Improved)

Square Pulp Hand-sheet Former with Couching (250mm)

Square Sheet Former with Auto-agitation

Square Pulp Hand-sheet Former with Auto-agitation (250mm)

Square Sheet Former with Auto-agitation and Pneumatic Up/Down

Square Pulp Hand-sheet Former with Auto-agitation and Pneumatic Up/Down

Square Sheet Former with Auto-couching

Square Pulp Hand-sheet Former with Auto-couching (250mm)

Square Sheet Former with White Water Recovery

Square Pulp Hand-sheet Former with White Water Recovery (250mm)

Square Sheet Former with White Water Recovery and Auto-agitation

Square Pulp Hand-sheet Former with White Water Recovery and Auto-agitation

Square Sheet Machine Press (40cm Square Press)

Couching and Pressing of Paper Sheets

Square Sheet Press

Square Sheet Press

Standard Pulp Disintegrator

Standardized Disintegration of Pulp (Stainless Steel)

Need help choosing the right instrument?

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