QUALITY ASSURANCE

TESTING FOR THE POLYCOATED BOARD

USED FOR THE MANUFACTURING OF INSECT TRAPS

(ALL TESTING HAS TO BE DONE BEFORE PRINTING)

TEST OBJECTIVE: To determine if cardboard for insect traps will maintain stricture after soaking water.

Fill a container with enough luke-warm water to fully immerse the cardboard.
Place the cardboard in the water so the water covers the cardboard.
Leave the cardboard overnight. in the water.
After the cardboard has soaked overnight, remove it from the water and inspect.
The cardboard passes inspection if maintains structural integrity.

The cardboard fails if it has softened to the point where it can be torn easily. It fails if can be crumpled into a ball easily because it has become soft from being in the water.

TEST OBJECTIVE: To determine if paper has the proper plastic

coating on both sides, a nominal thickness of .0062 to withstand outdoor service for a period of 90 calendar days.

STEP ONE: Cut a piece of paper board, place it in the microwave oven for about 3 minutes, facing up. After the 3 minutes in the microwave, the surface of the paperboard, should be showing some blisters or it will be easy to separate from the paper.
STEP TWO: Place another piece of cardboard into the microwave oven, to check the other side. Make sure it is facing up like in the previous step. Then, observe that you get the same result as in step one.

The cardboard fails if there are no blisters visible or if the film is not able to separate form the paper.

TEST OBJECTIVE: To determine if the cardboard is printable. If the paper is to be solid printed, the testing is not necessary.

For printing black use ---------------------- 36 dynes minimum

For printing any other colors ------------ 39 dynes minimum

Open the bottle of the liquid to be used for the testing, then apply on the paper by brushing it on.
If the liquid stays in the solid line, the paper is printable.
If the liquid forms a broken line, it indicates that the paper is not printable. In order to become printable, it will have to be corona treated before printing.