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Selecting the right copolyester hot melt adhesive is imperative for optimum performance and efficiency. Two popular options available are the EMS-GRILTECH Griltex D 1365E and Bostik PES 3320. These adhesives have similar properties and can be used in many of the same applications, but understanding the differences between them can help ensure you select the right one for your specific needs and goals.
Our team reviewed EMS-GRILTECH Griltex D 1365E and Bostik PES 3320, including their pros, cons, and ideal use cases. We have broken down their key features and differences to help you decide which product better aligns with your needs.
EMS-GRILTECH Griltex D 1365E Review
We first took a closer look at the Griltex D 1365E copolyester adhesive from EMS-GRILTECH. EMS-GRILTECH is a part of the EMS Group, a Switzerland-based company that does business in the areas of specialty chemicals and high-performance polymers. Griltex D 1365E is a part of their EMS-GRILTECH division that focuses on adhesive solutions primarily for textile, tire, and powder coating applications.
A closer product review of the Griltex D 1365E shows that the adhesive is an effective copolyester hot melt used mostly to coat apparel interlining substrates or to produce automotive interior components. It offers great resistance and dimensional stability for garments, and it comes in both powder and pellet form.
Bostik PES 3320 Review
The next product we reviewed was PES 3320 from Bostik. Bostik is a part of the Arkema Group and is a leading provider of adhesives and sealants for construction, consumer, and industrial markets. They offer a diverse line of hot melt products designed for numerous applications.
The PES 3320 copolyester hot melt is similar in properties and applications to the Griltex D 1365E adhesive. It is primarily used for technical fabric laminations and composite bonding. With a glue line temperature between 239–284°F, it is ideal for heat-sensitive laminations and applications with lower processing temperatures. It comes in pellets or a powder form that is compatible with paste dot, powder dot, or scatter coating.
Comparing Griltex D 1365E and Bostik PES 3320
Both the Griltex D 1365E adhesive and the Bostik PES 3320 adhesive are copolyester-based hot melts designed for similar applications, but they have some important distinctions.
Our team created a side-by-side adhesive comparison chart to highlight their properties and ideal uses based primarily on the information from the Griltex D 1365E and Bostik PES 3320 technical datasheets.
| Property/ Feature | GRILTECH Griltex D 1365E | Bostik PES 3320 |
|---|---|---|
| Chemistry | Copolyester hot melt | Copolyester hot melt |
| Compatible Substrates | Metal, paper, wood, PVC, ABS, PUR (foam/film) | Textiles, fiberboard, metal, PVC, and PU foam |
| Viscosity | 450,000 cP at 320°F | 500,000 cps at 320°F |
| Melting Point | 208-225°F (98.0-107°C) | 207–225°F (97–107°C) |
| Melt Flow Rate | 23 g/10 min for 4.76 lb, at 320 °F | 25 g/10 min at 320°F |
| Resistances | Excellent resistance and dimensional stability for finished garments | Washing resistance up to 122°F, heat resistance up to 158°F, fair dry cleaning resistance |
| Common Applications | Automotive interiors, filters, adhesive films (supported), home furnishing | Laminating, textile bonding, and applications requiring flexible adhesion at lower processing temperatures |
| Form | Powder and pellets | Powder and pellets |
Both GRILTECH Griltex D 1365E and Bostik PES 3320 are copolyester-based hot melt adhesives with multi-substrate adhesion to metals, plastics, foams, and more. They are both widely used in the textile and automotive industries, but they can have numerous other applications. They are also available in a hot melt powder or pellets to meet different application needs.
In terms of differences between the Griltex D 1365E and the PES 3320 glue, the Bostik product has a slightly higher viscosity that can be a better fit for vertical or gap-filling applications. While their melting points are virtually identical, their melt flow rates are slightly different. The PES 3320 specifications suggest that it has a slightly higher melt flow rate than the Griltex D 1365E.
Resistance is another factor to consider when looking at the differences between the two copolyester adhesives. The PES 3320 glue states that it has a washing resistance up to 122°F, heat resistance up to 158°F, and a fair dry cleaning resistance. In comparison, the Griltex D 1365E specifications say it has excellent resistance and dimensional stability for finished garments when used for interlining, but lack any specific parameters beyond this. Without any specs listed, you should be cautious of using the Griltex D 1365E hot melt in applications involving higher temperatures and regular cleaning processes.
Another consideration when comparing PES 3320 versus Griltex D 1365E is availability. While worldwide, Bostik has multiple manufacturing locations in the United States as well as locations in Mexico and Canada. On the other hand, GRILTECH is headquartered in Switzerland and has one location in the United States. With fewer North American locations, the lead times for GRILTECH products like the Griltex D 1365E could be longer.
How to Choose Between GRILTECH Griltex D 1365E and Bostik PES 3320
Every application is unique, with different adhesives suited for different applications. If you are trying to choose between the Griltex D 1365E and Bostik PES 3320 hot melt adhesives, you should consider the following:
- Substrates
- Specific application
- Production speed and process
- Required resistance needs
- Application method
- Lead times
- Budget
Need Assistance?
Choosing between GRILTECH Griltex D 1365E and Bostik PES 3320 ultimately comes down to your specific needs. Both adhesives deliver reliable and durable bonds, but one may be better for your application than the other. If you need help determining which adhesive is right for you, contact us, and you can speak with one of our adhesive experts.
Hotmelt.com is not affiliated with Griltex hot melt adhesive. Griltex ® is a part of EMS-CHEMIE HOLDING AG.
