How to Choose the Right Label Material for Your Product

Are you looking for a label material guide that can aid you in selecting the most appropriate material for your product? Well, you’ve come to the correct place! Here, we will provide an overview of various label materials available along with their advantages and drawbacks, alongside additional essential tips to help you find the ideal labels for your small business.

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Choosing the right label is critical to ensuring that it meets your expectations. While paper labels may seem appealing due to their affordability, opting for alternative choices that perform better could significantly benefit your business.

For example, there are labels specifically engineered for professional applications or unique environmental conditions. Not every label material is suitable for every situation. Each has distinct characteristics and benefits that can enhance efficiency while achieving the desired aesthetic. To enrich your understanding of label materials, we will discuss the key elements you need to consider. Let’s begin by delving into paper labels in the following section.

Environmental Considerations:

Many polyester film sheets and rolls are either coated or treated on one or both sides to improve specific properties such as ink/coating adhesion, slip, and static dissipation. These coatings or treatments often possess distinctly different characteristics than the base film, which is why they are effective—an adhesion-promoting pretreatment greatly enhances ink adhesion compared to untreated polyester. However, the enhanced properties these treatments provide come with some trade-offs. The high-performance attributes of polyester regarding factors such as temperature, chemical, and moisture resistance may not apply to these coatings or treatments.

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EXPOSURE TO EXTREME TEMPERATURE AND HUMIDITY CONDITIONS CAN REDUCE THE EFFECTIVENESS OF THE TREATMENT AND/OR CAUSE THE FILM TO BLOCK OR FUSE TO ITSELF WHEN IN A STACK OR ON A ROLL.

The signs of blocking include the inability to separate layers of film without tearing or causing the pretreatment to delaminate. Blocking can occur when moisture gets trapped between film layers during processes like storage or transportation, then allowed to dry. Shifts in environmental conditions can also trigger this effect. If film stacks are stored in cooler conditions and then transitioned to a warm, humid environment, the condensation formed may wet the pretreatment, resulting in blocking. Similarly, processing film in high humidity and subsequently placing it in a cooler environment can lead to similar issues.

To Avoid Blocking and Other Related Processing Problems:

• Store the film between 30°F and 100°F.
• Avoid storing and transporting in humid or wet conditions unless wrapped in moisture-resistant materials.
• Process film under controlled conditions—40%-60% relative humidity (too dry can lead to other issues like excessive static).
• Allow film to acclimate to the ambient environment for at least 48 hours before unwrapping moisture-resistant packaging.

Tekra brings over 50 years of experience in working with polyester films and is always willing to address technical inquiries.

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