-
How to use a laboratory testing melt flow indexer
January 19,2021.
Melt mass-flow rate, also refers to the melt index, is the melt flow of the resin melt through a standard capillary tube within a certain time (generally 10min) in a standardized melt index instrument...
View More
-
The influence of medicine packaging materials on the quality of medicines
January 29,2021.
Pharmaceutical packaging materials will have an impact on the effectiveness of the use of drugs. Therefore, drug management personnel must strengthen t...
View More
-
GBPI Wishes All Female Friends A Happy Women's Day
March 5,2021.
March 8 is International Working Women’s Day, a holiday for women from all over the world to strive for peace, equality and development. For a century, women from all countries...
View More
-
How to observe the heat seal test of flexible packaging film?
April 22,2021.
In the field of flexible packaging, the heat sealing process of the film plays an important role. It not only affects the formula structure of the film product, but also affects the production process...
View More
-
why should we ban single-use plastic
August 12,2021.
The current situation: the global average consumption of 1 million plastic bags every 1 minute , the total annual global plastic consumption of 400 million tons , only 14% of the world's plastic packa...
View More
-
what is the principle of pressure decay leakage is tested
August 25,2021.
Pharmaceutical packaging materials such as vials, ampoules, cassettes, infusion bottles, etc. need to be picked up from a quality point of view. Many pharmaceutical manufacturers are unaware of how to...
View More
-
GBPI New Launch W401 2.0 Water Vapor Permeation Analyzer
September 8,2021.
1.Product Introduction Based on the testing principle of the infrared sensor, W401 is designed and manufactured with reference to the standard of GB/T 26253. It is used to test the water vapor tr...
View More
-
Evaluation studies on glass containers
September 10,2021.
Evaluation studies on glass containers 1. Hydrolytic resistance test i. Glass Grains test – used to distinguish Type I glass from Type II and Type III glass ii. Surface Glass Test – used to disti...
View More
-
What is MVTR test?
September 15,2021.
From Wikipedia: Moisture vapor transmission rate(MVTR), also water vapor transmission rate (WVTR), is a measure of the passage of water vapor through a substance. It is a measure of the permeability f...
View More
-
Test Method for Determining Leakage in Flexible Packaging by Bubble Emission
November 11,2021.
ASTM D3078-2013 Standard Test Method for Determining Leakage in Flexible Packaging by Bubble Emission Instruments applicable to this standard : GBPI Bubble Emission Tester Instrument Application Proce...
View More
-
how do you calculate elongation in a tensile test？
November 23,2021.
The tensile strength test is simple and easy to operate, and the sample preparation is convenient, so it is one of the most commonly used tests in the mechanical properties of materials. Elastic defor...
View More
-
Medical protective masks (disposable masks) testing instruments introduced
December 8,2021.
The sudden outbreak of the new coronavirus in early 2020, the virus is still updated into different viruses in 2021 and continues to spread, although each country has developed a corresponding vaccine...
View More
info@gbtest.cn
en
ru
es
ar