The dominant material remains Plastic (primarily Polyethylene (PE) and Polypropylene (PP)) due to its low cost, durability, and excellent properties. Crucially, the demand for high-barrier films —which significantly restrict the transmission of Oxygen (OTR) and moisture (WVTR)—is strong, particularly in the food and pharmaceutical sectors where product integrity and shelf life are paramount [2]. Understanding these materials is the first step in strategic package design. Continue reading
In the food packaging industry, barrier performance is crucial for extending shelf life, maintaining freshness, and ensuring product safety. Two key metrics used to evaluate barrier packaging materials are:
OTR (Oxygen Transmission Rate)
MVTR (Moisture Vapor Transmission Rate)
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Seal integrity testing plays a vital role in ensuring the safety, shelf life, and performance of packaged products—especially in the food, pharmaceutical, and medical device industries. Whether your product is packed in flexible pouches, bottles, or blister packs, even the smallest leak can compromise product quality and brand trust.
Here are 5 essential reasons why seal integrity testing should be a key part of your quality assurance strategy.
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Oxygen Transmission Rate (OTR) testing plays a crucial role in ensuring the effectiveness of packaging materials,particularly in industries where product quality and shelf life are directlyimpacted by exposure to oxygen. This testing method measures the rate at which oxygen permeates through packaging materials, providing key insights into thematerial’s ability to act as a barrier against oxygen. Below are the primary reasons why OTR testing is important for packaging: Continue reading
Testing Water Vapor Transmission Rate (WVTR) in films is a critical process for determining how well a material—such as plastic films, packaging materials, or protective coatings—resists the passage of water vapor. This property is essential for industries such as food packaging, pharmaceuticals, textiles, and electronics, where moisture control is vital for product preservation and quality. Continue reading