label adhesive

What Are the Differences Among Water-based, Solvent-based, and Hot Melt Adhesive Labels?

Written by: BernauLena

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Time to read 4 min

Water-based, solvent-based, and hot melt adhesives are the three most common types of label adhesives, each suited for different applications. But what exactly are the differences between them, which scenarios are they best used in, and how can you tell them apart? Today, let's take a closer look.

Introduction to Water-based Adhesive Labels

Water-based adhesive uses water as its primary carrier. Because there are no harsh solvents involved, it is considered more environmentally friendly and has a mild, almost odorless profile. When the water evaporates, the adhesive layer forms and bonds to the surface.


Pros
Eco-friendly and safe, with no harsh solvents.
Easy to clean with water.
Moderate tack that makes labels easy to apply and adjust.
Adhesion becomes stronger over time.
Low cost and suitable for large-volume daily use.


Cons
Poor water resistance.
Not suitable for high temperatures or direct sunlight.
Weak adhesion on glossy or oily surfaces.
Not ideal for long-term outdoor use.

Introduction to Solvent-based adhesive Labels

Solvent-based adhesive relies on organic solvents as the carrier. These solvents evaporate quickly, allowing the adhesive to create a strong, durable bond. Compared with water-based formulas, oil-based adhesives typically offer better water resistance, higher temperature tolerance, and longer-lasting adhesion.


Pros
Very strong adhesion, even on glossy or low-energy surfaces.
Excellent resistance to water and humidity.
Performs well under extreme temperatures, including heat and freezing conditions.


Cons
Contains solvents, has a noticeable odor, and is less environmentally friendly.
Residue is difficult to clean and often requires chemical solvents.
Higher cost compared with other adhesive types.

Introduction to Hot Melt Adhesive Labels

Hot melt adhesive starts as solid pellets or blocks. When heated, it melts into a liquid state and bonds instantly when applied. Once cooled, it returns to a solid form, creating an immediate, stable adhesion. This type of adhesive is widely used in high-speed production lines due to its fast-setting nature.


Pros
Extremely strong initial tack.
Good resistance to heat and moisture.
Fast setting, ideal for high-speed production.
Stable performance once the adhesive cools and fully sets.


Cons
Requires heated equipment for application.
Weaker long-term holding strength.
Not environmentally friendly.
Low printing cost but high plate-making cost, making it suitable for large runs only.
Shorter shelf life compared with water-based or solvent-based adhesives.

What Applications Are Each Adhesive Type Best Suited For?

Water-Based Adhesive – Best for Everyday, Indoor, and Cost-Sensitive Uses

Water-based adhesive is ideal for applications that require safety, affordability, and ease of removal. It works best in clean, dry, and temperature-stable environments.
Common use cases include:

Shipping labels for regular parcels
Food packaging labels
Medical, pharmaceutical, and cosmetic labels
Office labels and general consumer products
Any application where eco-friendliness matters
Short-term or indoor labeling that doesn’t involve moisture or extreme heat

Because it washes off easily and leaves minimal residue, it is also popular for household or temporary-use labels.


Solvent-Based Adhesive – Best for Harsh Environments and Long-Term Durability

Solvent-based adhesive excels in demanding conditions where strength, durability, and water resistance are top priorities.
Typical applications include:

Outdoor labels exposed to rain, UV, or temperature changes
Industrial labels used on machinery, tools, and equipment
Waterproof labels (when paired with film materials)
Cold-chain, freezer, and refrigerated product labels
Chemical, automotive, and manufacturing labels
Long-term product identification that must stay intact for years

Its strong, reliable adhesion makes it the go-to choice for industries requiring performance over safety or cost.


Hot Melt Adhesive – Best for Fast-Paced Logistics and High-Speed Production

Hot melt adhesive is designed for efficiency. Its strong instant tack and fast curing make it ideal for large-scale, rapid labeling.
Common use cases include:

Logistics, courier, and warehouse labels (e.g., thermal shipping labels)
E-commerce fulfillment centers with high-volume label printing
Packaging and box sealing
Labels that must adhere instantly during automated production
Short-term applications where immediate adhesion is critical
Environments with moderate heat or humidity

Because it sticks fast but ages less securely over time, it is widely used in the shipping and warehousing industry where labels are applied and used within days or weeks.

How to Quickly Identify Each Adhesive Type

Fold and stretch test
If the label folds and the adhesive stretches into thin threads, it is hot melt adhesive.
If it does not stretch, it is either water-based or solvent-based adhesive.


Water test
Soak the label in water. If the adhesive layer turns white, it is water-based.
If it does not change color, it is solvent-based.


Rub test after soaking

After long exposure to water, if the adhesive can be easily rubbed off, it is water-based.

If it remains sticky and hard to remove, it is solvent-based.

Conclusion

Choosing the right adhesive ensures labels stick and perform as needed.

Water-based adhesive, like in Betckey labels, is safe, eco-friendly, and cost-effective. It works well for everyday indoor labeling and is easy to clean. Solvent-based and hot melt adhesives offer stronger or faster adhesion for demanding or high-speed applications, but for most standard uses, water-based adhesive is sufficient.

Betckey provides labels with water-based adhesive, including permanent, removable, and strong-adhesion options. For questions, contact sales@betckey.com.

About Betckey

Betckey Premium Labels is a leading supplier of compatible direct thermal labels, committed to high-quality and eco-friendly products as well as competitive pricing. We offer better products than manufactured original at 70% less price. Now, our Amazon store ranks first in the US, Canada, and Western Europe with thousands of positive ratings. Visit  betckey.com  and get special discount when purchasing! Sign up now and we'll send you a special discount towards your purchase. By the way, welcome to follow our official @ Tik Tok and @ Youtube accounts to get Betckey’s latest news!

 

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