Brand: 3M™
Product Number: 3779
Technologies: Hot Melt Adhesive
Color: Amber
Cure Type: Thermoplastic (Hot Melt)
Package Sizes:
Shelf Life: 24 months
3M™ Hot Melt Adhesive 3779 is a high-strength thermoplastic adhesive that bonds to a wide variety of substrates, including wood, plastic, vinyl, metal, and glass. It provides excellent environmental stability, very high heat resistance, and fast set time, making it ideal for demanding industrial applications. The adhesive is designed to set quickly and provide high-performance bonds.
| Attribute Name | Test Method | Temperature | Value |
|---|---|---|---|
| Color | – | – | Amber |
| Density | – | – | 0.99 g/cm³ (0.036 lb/in³) |
| Open Time | OSB | – | 25 s¹ |
| Flash Point | ASTM D92-72 | – | 288°C (550°F)² |
| Delivery Time | – | – | 75 s³ |
| Viscosity | Brookfield Thermocel Viscometer (#27 Spindle @ 10 RPM) | 191°C (375°F) | 7,000 cP⁴ |
¹ Open time is based on a 3.2 mm (1/8 in) semicircular bead on non-metallic substrates at 24°C (75°F).
² Measured using the Cleveland Open Cup method.
³ Extrusion time for one 25 x 76 mm (1 x 3 in) PG cartridge.
⁴ Measured using a Brookfield viscometer.
| Attribute Name | Test Method | Temperature | Substrate | Value |
|---|---|---|---|---|
| 180° Peel Adhesion | – | 23°C (73°F) | Flexible Canvas to Douglas Fir | 32 N/cm (288 oz/in) |
| Overlap Shear Strength | – | 23°C (73°F) | Douglas Fir | 49 kg/cm² (700 lb/in²) |
| Ball & Ring Melt Point | ASTM E28-67 | – | – | 163°C (325°F) |
| Application Temperature | – | – | – | 177 – 196°C (350 – 385°F)¹ |
| Temperature Resistance | – | – | – | 149°C (300°F)² |
¹ Recommended application temperature range to regulate viscosity, delivery rate, and pot life.
² Maximum temperature at which the adhesive supports a 14 kPa (2 psi) dead load.
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Avantek Viet Nam is a dynamic MRO, direct materials and equipment supplier that brings advanced technological solutions to maximize satisfaction of customers.
We are expert in import and export of adhesives, accessories and equipment in both domestic and cosmetic industrial fields, production and technology research and development.
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