Introduction to Plastic Bottle (Beverage Bottle and Beer Bottle) Sealing Performance Testing

Plastic bottles have found wide application in food,Tester is for rapid qualitative testing.
beverage and beer industries nowadays. Plastic2. The Torque Value Testing for Bottle Cap
cola bottle, plastic juice bottle and beer bottle canClosure- Lock Force & Open Force
be found everywhere in our daily life. With itsIn the above mentioned sealing performance
wider applications, there have been more standardtesting, a certain bottle cap torque force is
requirements for its quality control. Since windingrequired. Actually, bottle cap torque force (bottle
up force and sealing performance have directcap open and lock force) is one of the main
relationship to storage quality and periods of thefactors affecting the sealing performance. Over
contents inside the packages, sealingtorque force would bring great difficulties for open
performances and torque force of bottle closureand winding up of bottle cup, and thus, reduce the
have become common focus of plastic bottleconvenience. Insufficient torque force would
manufacturers among various quality controlaffect the seal performance of the container, and
indexes. Labthink Instruments ( ) briefs on themay further result in the leakage during
test of plastic bottle seal performance, bottletransportation. Now, package design is designated
closure winding up force and open force withto bring more convenience for fast consumption,
Labthink PARAM LSSD-01 Leak and Seal Strengthand easy openness of bottle cap is one of the
Detector and PARAM NJY-20 Digital Torqueaims. When dealing such testing, GB/T17876-1999
Tester.is the standard, and craft-proof ring should be cut
1. Plastic Bottle Sealing Performances and Bottlebefore testing.
Closure Trip/Lock TestingThe sealing performance of plastic bottle is the
The barrier property of plastic bottle materialmost important factor affecting package leakage
would directly influence the quality guaranteeand product deterioration. Excellent open easiness
period. The better barrier performance, the longerand sealing performance can be guaranteed
quality guarantee period.  However, no matterthrough reasonable control of sealing performance
the individual barrier properties of bottle body andand torque value. The barrier property of plastic
bottle closure are good; the conjunction place isbottles, including gas transmission quantity and
the only place where leakage would occur.water vapor transmission quantity, should also be
Therefore, the sealing performance of bottlecontrolled so as to guarantee the product quality
closure is the most basic indicator for containerduring shelf-life period. For more information,
sealing performance.please visit Labthink Instruments Co., Ltd. is willing
GB/T 17876-1999 has stated specifiedto have more communications and exchanges
requirements for bottle closure sealingwith you.
performance testing. According to their differentAbout Labthink?
applications, bottle closures for still beverage andLabthink, the excellent provider of testing
carbonated beverage are of different methods.instruments and testing services, is devoted to
Closure for still beverage should cut itsprovide most excellent and complete quality
theft-proof ring (bar), and pressurize to 200kPa incontrol solutions for pharmaceutical, foodstuff,
PARAM LSSD-01 Leak and Seal Detector for 1cosmetics, packaging, printing, adhesive,
minute (underwater). Observe the leakage; if not,automotive, petrochemistry, environment, biology,
increase the pressure to 1207kPa for 1 minutenew energy, construction, aviation and electronic
and observe whether the bottle closure trips.industries worldwide.
Labthink PARAM LSSD-01 Leak and Seal DetectorLabthink Instruments Co., Ltd.
is for quantitative testing for sealingNo. 144 Wuyingshan Road, Jinan 250031, China
performances; Labthink PARAM MFY-01 LeakTracy Bao  info@labthink.