Labthink Knowledge

Sachet packaging, along with many other flexible packaging formats, relies on robust heat sealing for secure product containment. The heat seal strength test is vital for guaranteeing these seals are strong enough to protect the product effectively throughout its journey, from manufacturing to consumer use. This essential test involves preparing a sealed sachet sample and precisely measuring the force required to peel or break the seal. This critical data empowers manufacturers to: Ensure Seal Integrity: Consistently verify that seals will not fail prematurely, thereby preserving product quality and freshness. Optimize Sealing Parameters: Precisely identify the ideal heat, pressure, and dwell time settings for creating consistently strong and reliable seals. Reduce Production Waste: Significantly minimize the occurrence of leaks, bursts, or otherwise compromised sachets, leading to improved efficiency and reduced material loss. Instruments ...

Food contact materials, such as plastics, rubber, ceramics, and metals, can release chemical substances into food during contact, posing potential food safety risks. Overall Migration Limit (OML) testing is a crucial indicator for assessing the safety of these materials. Its significance is highlighted in several key areas: Protecting Consumer Health OML testing quantifies the total amount of non-volatile substances that migrate from the material into food. This helps prevent health risks such as chronic poisoning, cancer, and birth defects that could result from excessive levels of harmful substances (e.g., plasticizers, heavy metals, monomer residues). For instance, if phthalate plasticizers from plastics migrate into food, they could disrupt the human endocrine system. Ensuring Regulatory Compliance Major global markets have established strict OML limits for food contact materials: Ÿ    European Union (EU): According to Framework Regulation (EC) No 1935/2004 an...

  How to Test Oxygen Permeability of Food Packaging According to ASTM D3985 Standard   Oxygen transmission rate is a crucial indicator for evaluating the barrier properties of packaging materials. For food packaging, excellent oxygen barrier performance is essential to ensure food safety and effectively extend shelf life. ASTM D3985, "Standard Test Method for Oxygen Gas Transmission Rate Through Plastic Film and Sheeting Using a Coulometric Sensor," is a standard test method that employs the coulometric sensor principle to measure the oxygen transmission rate of plastic films, sheeting, laminates, paper-plastic composites, plastic-coated fabrics, and similar materials. This evaluation helps determine the packaging material's ability to block oxygen, ensuring food remains unaffected by oxygen throughout its shelf life. Understanding the Coulometric Sensor Method The coulometric sensor method involves clamping the test specimen (the food packaging material) into a per...

ASTM D3985 is a standard developed by the American Society for Testing and Materials (ASTM), specifically designed for determining the oxygen transmission rate (OTR) of plastic film and sheeting. This standard outlines the test methods and procedures to ensure the accuracy and comparability of test results. For the oxygen transmission rate measurement of plastic films as specified in ASTM D3985, a specialized oxygen transmission rate test instrument plays a vital role in adhering to the standard. Taking Labthink C203H Oxygen Transmission Rate Test System as an example, it's designed and manufactured based on the coulometric oxygen analysis sensor and equal-pressure method, meeting the requirements of ASTM D3985 and other relevant standards. ASTM D3985 Plastic Film Oxygen Transmission Rate Tester: Test Principle The testing principle is based on the coulometric oxygen analysis sensor and the equal-pressure method. During the test, a pre-treated sample is clamped between two ...

In industries where packaging integrity is paramount – such as food, pharmaceuticals, and medical devices – ensuring robust barrier performance is non-negotiable. Conventional testing frequently suffer from three key pain points: Single-function instruments need frequent sample changes, leading to significant downtime and the risk of cross-contamination; integrating multiple specialized devices for comprehensive analysis is costing and complex; reliance on manual operations introduces human error, making ensuring consistent and reliability difficult. Labthink C406H Oxygen/Water Vapor Transmission Rate Testing System emerges as a groundbreaking "one-system, dual-test" solution, meticulously engineered to overcome these pervasive challenges and redefine industry standards. Labthink C406H Oxygen/Water Vapor Transmission Rate Testing System Labthink C406H directly targets these issues, providing a streamlined and reliable testing platform. It integrates Labthink's proprie...