Food Packaging Testing -- Water Vapor Permeability testing Equipment,China Labthink price supplier

The quality and safety of Food Packaging and other food contact-related materials is a primary concern for all consumers, businesses, and governments across the global supply chain.

Labthink provides expert insight and comprehensive solutions for food packaging including water vapor permeability testing. W3/030 Water Vapor Permeability Testing Equipment  is one of this food packaging testing instrument, which is used to measure water vapor permeability of packaging materials. 

Testing Method  
Based on Cup Method, conforming to ISO 2528, ASTM E96, ASTM D1653, TAPPI T464

Testing Principle 
Under a certain test temperature, a constant humidity difference is generated between two sides of the test specimen. The water vapor permeates through the specimen and into the dry side. By measuring the weight changes of the test dish in different time, water vapor transmission rate and other parameters can be obtained. 

Professional Technology

• as many as three same simultaneously with an average value testing results  
• Wide range and high precision temperature and humidity control for variety testing conditions 
• Controlled by computer, testing is automatic and intelligent 

Technical Specifications