What is Permeation?

Permeation is one of the indexes indicates thevapor transmission rate testing. 
barrier properties in material field. In packagingLabthink, as the leading instruments manufacturer
material industry, permeation is used to state andand testing service provider, has the thorough
evaluate the barrier property of packagingcapacity in permeation field. The PERME series
materials against water vapor, oxygen or otherpermeation products has a complete line of water
gases, etc.; that is, through the evaluation ofvapor transmission rate (WVTR) testing
water vapor transmission rate (WVTR) testing,instruments and gas transmission rate (GTR)
oxygen transmission rate (OTR) and other gastesting instruments.
transmission rate (GTR) testing of packagingAbout Labthink?
materials, the basic guarantee for product qualityLabthink, the excellent provider of testing
and shelf-life period is confirmed. More questionsinstruments and testing services, is devoted to
for Permeation, please visit for answers.provide most excellent and complete quality
WVTR is the abbreviation for water vaporcontrol solutions for pharmaceutical, foodstuff,
transmission rate, which is defined as the constantcosmetics, packaging, printing, adhesive,
rate at which water vapor permeates through aautomotive, petrochemistry, environment, biology,
specimen film at specified conditions ofnew energy, construction, aviation and electronic
temperature and relative humidity.industries worldwide.
WVTR is of great significance for package quality. 
With the Water vapor transmission rate testing,Labthink Instruments Co., Ltd.
effective quality control of food, drug andNo. 144 Wuyingshan Road, Jinan 250031, China
electronic products, etc. can be guaranteed so asTracy Bao  info@labthink.cn
to improve the storage, transportation and shelfTel: 0086 531 85061153  fax:0086 531 85812140
life results and prolong shelf life span of the 
products.Labthink, the excellent provider of testing
The WVTR measurement is applicable for barrierinstruments and testing services, is devoted to
property evaluation of plastic films, laminatedprovide most excellent and complete quality
films, sheets, back sheets, high barrier materials,control solutions for pharmaceutical, foodstuff,
foils, OLED, water-proof membranes and bottles,cosmetics, packaging, printing, adhesive,
pouches, jars, boxes made of plastic, rubber,automotive, petrochemistry, environment, biology,
paper, glass and metal, as well as medical devices,new energy, construction, aviation and electronic
etc.industries worldwide.
Oxygen Transmission Rate (OTR) is one of theLabthink is devoted to share excellent quality
important indexes of Gas Transmission Ratetesting and control techniques with global clients
(GTR) Testing. Oxygen Transmission Rate, OTRand is known for wide coverage of international
is defined as the constant rate at which oxygentesting standards. Labthink participates in the
permeates through a specimen film at specifieddrafting of several important standards of food,
conditions of temperature and relative humidity.pharmaceutical and packaging industries, and is the
Oxygen Transmission Rate is also of greatexcellent partner of national certification institutes.
significance for packaging material quality. ThroughLabthink has also established cooperation with
the testing of oxygen transmission rate (OTR)IGT, Rycobel, Metrotec, Chilton, Moroka and other
measurement, a better evaluation and qualityrenowned distributors to provide attentive and
control of varied materials under vacuum andprompt technical services for her customers in
modified air status can be achieved, so as tomore than 40 countries and regions.
confirm long term storage and shelf-life of packedLabthink aims at creating satisfactory value and
contents. Besides, transmission rate of otherprofessional services for her customers.
gases can also be measured, such as organicLabthink, think for you only!