Puncture performances is the most important testing item for butyl rubber plugs testing puncture force and fragmentation property.

Permeation is one of the indexes indicates the barrier properties in material field. In packaging material industry, permeation is used to state and evaluate the barrier property of packaging materials against water vapor, oxygen or other gases, etc.; that is, through the evaluation of water vapor transmission rate (WVTR) testing, oxygen transmission rate (OTR) and other gas transmission rate (GTR) testing of packaging materials, the basic guarantee for product quality and shelf-life period is confirmed. More questions for Permeation, please visit www.labthink.cn for answers.

WVTR is the abbreviation for water vapor transmission rate, which is defined as the constant rate at which water vapor permeates through a specimen film at specified conditions of temperature and relative humidity.

On 17th-20th May, 2011, the 25th International Exhibition on Plastics and Rubber Industries was held in Guangzhou. Labthink exhibited her newly developed X series of intelligent products, and demonstrated powerful functions of Labthink CystemTM Online Laboratory Management System, the new laboratory intelligence concept based on cloud-computing. All have obtained favorable responses and recognition, and Labthink booth became one of the crowded booths among the exhibitors. Chinaplas 2011 is the debut for Labthink CystemTM Online Management [...]

Ideal gas separation membrane should possess high gas permeability, excellent capability of gas selection, good thermal and chemical stability and outstanding forming and processing properties, etc. Among the above mentioned properties, gas transmission rate of respective gas content separated by the gas separation membrane is the R&D focus of the manufacturers. Gas membrane separation is a new and highly efficient separation technology. Compared with the previous separation, gas membrane separation technology is superior in investment, [...]

Ideal gas separation membrane should possess high gas permeability, excellent capability of gas selection, good thermal and chemical stability and outstanding forming and processing properties, etc. Among the above mentioned properties, gas transmission rate of respective gas content separated by the gas separation membrane is the R&D focus of the manufacturers. Keywords: gas separation membrane, membrane gas separation, gas transmission rate, membrane separation tester Gas membrane separation is a new and highly efficient separation technology. [...]

Abstract: as pets are getting more and more popular, the quality control requirements for pet food are much stricter than before. Besides quality safety of pet food itself, the barrier property evaluation of pet food packaging has drawn the attention of pet food manufacturers. Keywords: pet food packaging, barrier property, oxygen transmission rate, OTR, water vapor transmission rate, WVTR, mechanical property, differential pressure permeability tester, water vapor permeability tester, tensile tester, leak tester, seal strength, [...]

Barrier property testing of packages is one of the vital testing items for cosmetic packages. Barrier property is the permeability of packaging materials against gas, liquid and other permeable substances. Barrier property is the important factor affecting product quality during shelf life period. Barrier property testing includes permeability testing of oxygen, water vapor and fragrant gas through cosmetic packages. The unsaturated bonds in cosmetic ingredients are easy to be oxidized and deteriorated; the lost of [...]

Water Vapor Permeation Test System is applicable in water vapor permeation test for plastic films, laminated films, sheets, solar energy back sheets, high barrier materials, foils, OLED, water-proof membranes and bottles, pouches, jars, boxes made of plastic, rubber, paper, glass and metal, as well as medical devices, etc. With water vapor permeation testing, controlling and adjustment of packaging materials can be achieved; application demands can also be satisfied. Water Vapor Permeation Test System conforms to [...]

Labthink introduces high precision PERME W3/330 Water Vapor Transmission Test System. This new system can test the water vapor transmission rate (WVTR) for high barrier-property flexible displays. This tester selects electrolytic sensor with a high precision up to 0.001g/m2day so as to meet the demands for high accuracy water vapor transmission rate testing for the OLED and relevant industries. Meanwhile, this tester has full automatic temperature and humidity control, which can provide better testing conditions. [...]