Pens and refills are necessities in our daily life and business. The refill leakage will affect the regular application, but contaminate our clothes as well. Then, how to guarantee a good leak-resistance performance? Labthink, as the excellent testing instrument and service provider, provides the relevant standards, methods and instruments as follows:

1. The Leakage Tester for Refills

According to relevant roller ball pen and refill standards, such as QB/T 1655-2006, the testing instrument is called redactor. Labthink MFY-01 Leak Tester is such to test the leak property under pressure reducing principle and has been widely applied.

2. Testing Methods and Procedure

A. Adjust the pressure reducing speed of MFY-01 Leak Tester to 10-12KPa/min.

B. Take the refills with half ink as the specimen.

C. Take off the pen cup, and insert the specimen with its head downward into the pen-stand, and place into the vacuum tank. Then, put on the lid of the vacuum tank.

D. Turn on the compressed air source, set the vacuum degree and vacuum maintaining time (10 minutes is a regulation). Take care of the different vacuum degree for different kinds of refills.

E. Start testing, when vacuum degree achieving the set value, MFY-01 Leak Tester will record the vacuum degree as programmed, and test whether the refill leaks or not.

The above is a brief introduction of the leak testing of refills. Labthink is willing to have more and thorough exchanges on quality control, testing item and method of pen industry.

Further details please feel free to contact Shirley via:
TEL: 0086-531-85061080
FAX: 0086-531-85062108
EMAIL: trade2@labthink.cn
SKYPE: shirley-labthink
MSN: shirleywu_labthink@hotmail.com

More about Labthink(http://www.labthink.cn/en):
Labthink focusing on the laboratory testing instruments R&D and production and laboratory IT services, is dedicated to provide professional quality control solutions for customers in packaging, food, pharmaceutical, medical, daily chemistry, printing, adhesive, automotive, petrochemistry, bioscience, construction, new energy and other industries.