Oxygen Scavenger Compounds for Closures

GCP Applied Technologies supplies a complete range of thermoplastic-elastomer and PVC-free closure sealants to meet the sealing requirements of the closure industry. PVC-free closure sealants provide a sealing gasket for crowns, twist-off crowns, roll-on aluminum closures or plastic caps. They also seal bottles and jars for beverages, like beer, champagne, carbonated soft drinks, fruit juice, mineral water, etc.

PROBLEM FROM OXYGEN IN BEER

Flavor deterioration
Color Change
Nutrient depletion
Haze formation

SOURCES OF OXYGEN IN BEER

Dissolved in beer
Included air during fill
Permeation through package

For humans, oxygen is life, but it's death for beverages

Beer. Juice. Tea. Sports drinks. Once they’re bottled, they’re ready to be delivered fresh to the consumer, right?

Not exactly.

Oxygen goes right to work, destroying the freshness and taste of the beverage, from the minute the cap is sealed. Oxygen can get trapped in a bottle’s headspace, dissolve into the beverage itself, or enter through the packaging. Even low levels of oxidation can result in stale beer, sour juice or spoiled tea. All of this leads to returned bottles, unhappy customers and a negative perception of the beverage product.

Freshness vs. oxidation: Make sure freshness wins

It’s a fact. Oxidation will occur unless you take steps to prevent it. Barrier bottles and sealants alone won’t work. The oxygen-scavenging CELOX® closure sealant keeps oxygen-sensitive beverages fresh, preserves their taste, reduces returns and protects the beverage brand.