News

This article explains how condom bursting volume and pressure are measured and why the test is essential to condom quality assurance. It describes how a condom burst pressure tester inflates a condom to failure while recording the exact pressure and volume at rupture, and outlines the governing standards including ISO 4074.

A holding power tester measures how long a bonded tape resists a steady shear load—a property distinct from initial tack. The article explains the difference, then covers the test method (ASTM D3654), the role of the instrument and its stations, the importance of temperature control, and how to choose the right equipment.

An initial tack tester measures how quickly and firmly an adhesive grabs a surface under light, brief contact—a property distinct from final bond strength. It also outlines how these instruments work, the factors that affect results, and how to choose the right tester.

This article explains polariscope technology for detecting internal stress in glass via birefringence. It covers working principles, key applications (bottles, pharma, food), manual/digital/automatic systems, industry standards, selection criteria, maintenance, and future AI/IoT advancements, emphasizing quality control and compliance.

The Vertical Axis Deviation Tester measures bottle perpendicularity. Digital models offer precise, automated readings for packaging quality control. Regular calibration ensures accuracy.

Leak and seal strength tester: positive/vacuum principles, burst/creep modes, food/pharma/medical uses, ASTM/ISO/GB compliance, and features like precision, data management, and lab selection.

The HST-H3 heat seal tester accurately sets sealing temperature, time, and pressure for film materials. Widely used in food, drug, and cosmetic packaging, it is often paired with automatic torque testers to verify cap tightness, forming a complete quality control solution for closures and seals.

NJY-H5 is an automatic torque tester for bottle caps, measuring opening and closing torque. It uses robotic gripping, has 0.001 Nm resolution, meets ASTM, and suits food, pharma, cosmetic packaging.

Torque testers measure rotational force on closures via mechanical contacting, converting stress into electronic data through clamping, sensing, and signal processing. Key features include 0.001 N·m resolution, real-time curve display, and multi-industry applications from beverages to medical devices.

The MFY-CM seal integrity tester uses the vacuum method to detect leaks in flexible packaging, pouches, bottles, and blister packs per ASTM D3078. Featuring PID vacuum control, transparent chamber, and one-button operation, it serves food, pharma, and medical device QA labs.

Wald Instruments launches the upgraded CHY-CA thickness tester — a mechanical contacting thickness gauge with 0.1 μm resolution, ISO 4593 compliance, and intelligent auto-feed for films, paper, foils, and more.

This article introduces the HSR-02 glass bottle thermal shock tester, a specialized instrument for evaluating thermal shock resistance of glass containers per ISO 7459:2004. It covers testing principles, equipment features, a step-by-step procedure, and industry applications across beverage, pharmaceutical, and food packaging sectors.