I. Introduction
Ziplock bagIt is also known as a dense bag, a bone-fitting bag, a sealed bag, a zipper bag, a keel bag, etc., and is a kind of plastic bag that can be sealed again. It is mainly composed of:Polyethylene (LDPE).withHigh-voltage linear polyethylene (LLDPE).Made, by way of blown film molding and hot cutting machine bag. The peculiarity of this bag is that it can be closed and opened repeatedly, making it easier to pack and store items.
The opening force of the ziplock bag, also known as the opening tension, is an important factor in evaluating its performance. The opening force refers to the force required to open the ridges and grooves of the clamp chain. If the convex edges and grooves of the clamp chain are not tightly matched and the opening force is small, it may lead to poor airtightness of the package, easy to leak, and even break the bag under the impact of the product inside the package or drop. On the contrary, if the opening force of the clip chain is too large, it may cause the bag to not be easy to open, and in the process of opening the clip chain, the user often appears that the plastic film on both sides of the clip chain is stretched or even broken and the clip chain is not opened, which will undoubtedly affect the convenience of use of the ziplock bag. Hence the controlThe opening force of the ziplock bagIt is very important to be within the right scope.
Second, the ziplock bag opening force detector test principle
First, place the ziplock bag to be tested on the fixture of the testing machine to ensure that the bag is stably fixedThe device then applies a progressively increasing force to the bag until the ribs of the chain are completely separated from the grooves, recording the maximum force required in this process, i.e. the opening force.
3. Introduction of the opening force detector of the ziplock bag
XLW (PC) intelligent electronic tensile testing machineProfessionally suitable for plastic films, composite materials, flexible packaging materials, plastic hoses, adhesives, adhesive tapes, self-adhesives, medical patches, medical devices, release paper, protective films, combination covers, metal foils, diaphragms, backplane materials, non-woven fabrics, rubber, paper and other products tensile, peeling, deformation, tearing, heat sealing, tensile stress, elastic modulus, puncture, pressure resistance and other performance tests.
Fourth, the product characteristics of the ziplock bag opening force detector
It is equipped with a 7-inch high-definition touch screen, support tension and compression two-way test mode, bilingual in Chinese and English;
Precision ball screw transmission, precise displacement control;
0.5-level force sensor, multi-range selection, automatic zero calibration at start-up;
Intelligent configuration such as limit protection, overload protection, automatic return, and power-down memory of the moving mechanism to ensure the safety of users and instruments
The test data history can be queried, the data cannot be changed, and the audit trail can be in line with GMP management procedures
The multi-functional test program satisfies the data acquisition of tensile stress, deformation, elastic modulus, etc
Professional computer communication software, real-time display of the test and analysis and processing of data, data storage;