AIP Webinar on PPWR Compliance
16 December 2025
LOG Pharma Sets New Standard
16 December 2025
With pharmaceutical ingredients increasingly sensitive to moisture, packaging technology is stepping into the spotlight. LOG Pharma Primary Packaging has unveiled new insights into Water Vapor Transmission Rate (WVTR) testing, underscoring its critical role in safeguarding drug stability.
WVTR — the measure of how much water vapor permeates through packaging over time — has become a defining benchmark for pharmaceutical manufacturers. Industry standards such as ASTM D7709 and USP <671> guide testing, which involves filling bottles with desiccants, weighing them, and monitoring changes over 35 days in climate chambers.
“Very low permeation rates are what make a bottle a true moisture barrier,” explained Montesino Associates CEO Peter Schmitt in a recent webinar. Factors such as raw material composition and wall thickness are key to performance.
LOG’s latest solutions, the MonoBlock and MultiBlock bottles, are already making waves. Tests show the MonoBlock offers up to four times better moisture protection than standard HDPE bottles, while the MultiBlock delivers twelve times the barrier performance, shielding formulations from both oxygen and moisture.
For pharmaceutical companies, the benefits are tangible: reduced reliance on desiccants, faster drug development timelines, extended shelf life, and smaller packaging footprints. With more than a decade of commercial use worldwide, LOG’s barrier bottles are being hailed as a breakthrough in balancing sustainability, cost, and patient safety.
As the industry faces mounting pressure to innovate without compromising quality, LOG’s eco-conscious barrier line may well set the new gold standard for pharmaceutical packaging.
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