Labthink Instruments Co., Ltd. [email protected] +86-531-85068566 Water Vapor Barrier Testing for Chemical Product Packaging For chemical products like pharmaceuticals and powdered cleaning agents, moisture can be a silent enemy, causing degradation, clumping, or reduced efficacy. Rigorous water vapor barrier testing of packaging materials is crucial. This testing ensures packaging can shield sensitive contents from humidity and maintain their quality throughout their shelf life. Pharmaceuticals, often highly sensitive to moisture, demand robust protection. Blister packs, with their individual sealed compartments and foil backing, provide an excellent moisture barrier. Powdered cleaning products also benefit from moisture-resistant packaging. Caking or clumping due to moisture ingress can render these products less effective or even unusable. Moisture-resistant pouches offer a versatile and often cost-effective packaging option. These pouches utilize specialized films and laminates to create a barrier against moisture. For example, a three-layer pouch might consist of an outer layer for printability and durability, a middle layer of aluminum foil for a superior moisture barrier, and an inner layer 1
Open the catalog to page 1Labthink Instruments Co., Ltd. [email protected] +86-531-85068566 of polyethylene for heat sealing and product compatibility. Such pouches are suitable for single-dose pharmaceuticals, powdered supplements, or even smaller quantities of cleaning agents. Testing the barrier properties of the materials helps maintain product quality and prevents moisture-related degradation. Several standardized methods exist for evaluating a material's water vapor transmission rate (WVTR). These tests, often conducted under controlled temperature and humidity conditions, measure how much moisture permeates the...
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