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Advanced Testing Facilities: Ensuring Quality and Innovation

Testing Facilities

We maintain high standards for quality control and have modern machines operated by skilled operators under proper quality control and strict supervision. We conduct the following tests on a sample basis on our products.

Melt Flow Index
All the input raw materials, such as HDPE, HMHDPE, and master batches are tested on the Melt Flow Indexer per lot or batch no. prior to issue for production. Thus, all the materials are controlled in-house and kept in records.
Drop Testing
At Mitsu Chem, we conduct rigorous testing to ensure the strength and durability of our drums.  We have installed a state of the art, unique automatic drop tester on which we can drop the containers filled with water from any height and angle as required.
Stack Load Test:
A equivalent weight was placed on a flat surface resting on the top of the drum for a period of 21 days (new development or any major change in 3M). The article should not bulge. 
Closure Leakage Test

Filled containers are kept upside down on the floor for 1 hour to ensure there is no leakage from the closures.

Handle Test:

A water-filled drum hangs with a chain for 30.00 minutes. The handle should remain intact.

Leakage Test (Pneumatic Test):
When the container is submerged in water, it should not leak or puncture, even when subjected to an air pressure of 0.35 bar.
Hydraulic Testing:
The containers are filled with water to exclude all air and then connected to the water supply with hydraulic pump and kept for 5 minutes to ensure  there is no leakage or rupture.
Wall Thickness Test
To ensure compliance with the standard wall thickness profile, the container's thickness profile must be examined using an ultrasonic thickness gauge, and the minimum wall thickness indicated in the profile must not be compromised.
Fitment Test
This test is undertaken on containers/bottles and furniture products to check the fitment of the respective accessories on the products to ensure they are as per the customer requirements.
Tare Weight Checking:
Every container should be weighed on an electronic balance along with the cap, plug, and handles and recorded in the in-process inspection record and on the bottom of the container. Also, the details of the lot number, serial number, shift, and date shall be marked in short on the bottom.
Ink Adhesion Test:
An Adhesive Tape is stuck on the printed matter and removed after 30 seconds and observed to ensure there is no damage on the printing.
Color Test :
Before starting OK productions, the color is checked thoroughly to ensure that it is as per the requirements and the migration is proper. It should match the desired color or standard sample. The migration and the color shade should be consistent.
Brimful Capacity Test :
To determine a container's weight and brimful capacity, weigh the empty container on a calibrated balance, then fill it with water to the neck base level on the balance. Ensure the water temperature is at 27 +/- 2°C, and that the brimful capacity in kilograms exceeds the nominal capacity. Alternatively, measure brimful capacity with a standard cylinder, filling it to the neck base level and recording the volume in liters.
Compression Strength Test
Compression withstanding capacity in terms of load and displacement is to be checked with a compression strength testing machine. The test must be performed on an article that has been cured for at least 4 hours. The compression load should not be less than the minimum mentioned in the standard compression chart.
External Testing:
Wherever required as per the customer’s requirement, sample drums are sent to the Indian Institute of Packaging (I.I.P. ), a private government-recognized institute, to carry out the above-mentioned tests for goods exported to various overseas destinations.
Vibration Test:
The method helps to determine the ability of a container to prevent leakage due to the transportational vibration.  Container is filled with water at nominal capacity and enclosed with lid/closure and keep vertical on vibration machine table for 1 hrs at 4 Hz frequency. Container are examined for any leakage after the test.
ESCR (Environmental Stress Crack Resistance):
Plastic containers may exhibit mechanical failure by cracking under certain conditions of stress and in the presence of environments. Containers are filled to nominal capacity with the test liquid Teepol solution and keep at oven 50 °C for 48 hours and then sample are inspected for crack after the test.
Bursting Strength Test:
This test is performed to determine Bursting Strength of packaging material like Carton.