LabStone provides advanced laboratory testing instruments for material permeability, constant weight analysis, packaging integrity, and mechanical performance evaluation. Our solutions are widely used in pharmaceuticals, food, packaging, biochemistry, and material research laboratories.

Water Vapor Transmission Testers (WVTR)

Instruments designed for precise measurement of water vapor permeability in films, packaging materials, textiles, and barrier structures.

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Gravimetric Method – W-B Series

• W-B-11-G
• W-B-31-G
• W-B-41-G
• W-B-61-G
• W-B-81-G
• W-B-121-G

Electrolytic Method – W-E Series

• W-E-31-H
• W-E-41-G
• W-E-61-H
• W-E-121-H

Infrared Method (TDLAS) – W-IR Series

• W-IR-31-H
• W-IR-41-G
• W-IR-61-H
• W-IR-121-H

Gas Permeability Testers

Solutions for measuring gas transmission rates to evaluate barrier performance in packaging materials, films, and industrial laminates.

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Differential Pressure Method – BSG Series

• BSG-11-G
• BSG-33-G
• BSG-33-H

High-Precision Differential Pressure Method – PSG Series

• PSG-11-H
• PSG-33-H

Constant Weight Testers

Advanced gravimetric analyzers for migration, ash content, and drying processes to ensure material compliance and quality control.

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Overall Migration Constant Weight Tester – ERT Series

• ERT-121-C
• ERT-181-C
• ERT-231-C
• ERT-331-C
• ERT-462-C
• ERT-693-C

Ignition Residue & Ash Constant Weight Tester – IRT Series

• IRT-121-D
• IRT-161-D
• IRT-191-D
• IRT-311-D

Vacuum Drying Constant Weight Tester – DCT Series

• DCT-81-A
• DCT-121-A

Oxygen Transmission Testers (OTR)

High-sensitivity systems for determining oxygen barrier properties of films, containers, and packaging materials.

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Coulometric Sensor Method – OTR-E Series

• OTR-E-31-H
• OTR-E-61-H
• OTR-E-121-H
• OTR-E-41-G

Packaging Integrity Testers

Non-destructive and visual inspection instruments for detecting leaks and ensuring packaging seal integrity.

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Vacuum Decay Method – SPT Series

• SPT-401

Bubble Leak Testers – STM Series

• STM-A
• STM-B
• STM-C

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Mechanical & Physical Testing Instruments

Comprehensive solutions for evaluating tensile strength, friction, peel, and impact resistance across diverse materials.

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Tensile Testers – STR Series

• STR-A
• STR-A+
• STR-M
• STR-D

Peel Strength Tester – STR-P

Friction Coefficient Testers – STF Series

• STF-A
• STF-C
• STF-E
• STF-P

Impact Testers – Drop Dart / Pendulum / Ball Drop

• STL-A / STL-D (Drop Dart Impact Testers)
• STD-A / STD-B (Pendulum Impact Testers)
• STQ-A / STQ-B (Ball Drop Impact Testers)

Porvair Sciences is a global manufacturer of high-quality microplates, life science consumables, and evaporation instruments, delivering trusted solutions for laboratory filtration, sample concentration, and biological research.

Microplates & Filtration

• 96-well Microplates
• 384-well Microplates
• Filtration Plates

Sample Concentration (Evaporation)

• MiniVap® MiniVap
• UltraVap® Gemini
• UltraVap® Mistral

Laboratory Consumables

• Sealing Films & Mats
• Caps

AltemisLab specializes in high-quality sample storage solutions, including advanced 2D-barcoded tubes, racking systems, thawing stations, and decapping equipment used in biobanking, drug discovery, and automated laboratory workflows.

Storage Tubes & Racks

• 2D Barcoded Tubes
• Screw Caps
• Tube Racks

Thawing Stations