ater Immersion Curl Test for Metallized Paper
Purpose:
The main purpose of this test is to simulate the condition when metallized paper labels come into contact with moisture or water during labeling,
and to check whether the paper curls, blisters, or delaminates under such conditions.
Water Immersion Curl Test for Metallized Paper
Purpose:
The main purpose of this test is to simulate the condition when metallized paper labels come into contact with moisture or water during labeling,
and to check whether the paper curls, blisters, or delaminates under such conditions.
Test Procedure:
1. Sampling: Cut a piece of metallized paper approximately 10 × 10 cm in size.
2. Water Preparation: Pour distilled water at room temperature (around 25°C) into a cup.
3. Immersion: Place the sample flat in the water with the metallized side facing up and soak for 30 seconds.
4. Observation: Record whether curling, blistering, or delamination occurs, and measure the curl height (mm).
