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Description for 3M 3789
High performance for plastics • Impact resistant • Bonds vinyl and wood • Good fuel and oil resistanceChemical Resistance Good Fuel Resistance, Good Oil Resistance Application Type Bond, Seal 1 Part or 2 Part 1-Part Material Form Bulk Substrate Fabric, Vinyl, HardWood, Leather, Flexible foam, Paper, Acrylic, PVC, ABS, Glass, Metal, Flexible Vinyl, Particle Board, Uncoated Cardboard, Coated Chipboard, Coated Cardboard, Soft Wood, Wood, Uncoated Chipboard Manufacturer 3M Chemistry Polyamide Cure Method Hot melt Application Temperature (°F) 351 to 385 Viscosity (cPs) 5,200 Color Brown High Temperature Resistance (°C) 104 Key Specifications FDA (U.S. Food & Drug Administration) and/or CFIA (Canadian Food Inspection Agency): Applicable 21 CFR 175.105, UL 94 - V2 -
Technical Data for 3M 3789
Overview
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Chemical Resistance
- Chemical Resistance - Good Fuel Resistance, Good Oil Resistance
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1 Part or 2 Part
- 1-Part
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Material Form
- Bulk
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Industry
- Furniture / Wood-Working - Cabinets, Furniture, Wood Working
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Chemistry
- Hot melt - Polyamide
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Application Method
- Dispenser - Lamination equipment
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Cure Method
- Hotmelt - Hot melt
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Color
- Brown
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Key Specifications
- UL (Underwriters Laboratory), ULC (Underwriters Laboratories of Canada), NFPA (National Fire Protection Association) - UL 94 - V2
- FDA (U.S. Food & Drug Administration) and/or CFIA (Canadian Food Inspection Agency) : 175.105 - Applicable 21 CFR 175.105
Specifications
Cure Specs
Application Temperature (°F) 351 to 385 Viscosity (cPs) 5,200 Test Method Softening Point (°C) 132 Test Method Work / Pot Time (min) 0.83 Test Method Bond Strength
Peel Strength (piw) 16, 28 (N/10mm) Test Method Shear Strength (psi) 570, 3.9 (MPa) Test Method Impact Strength (psi) High impact strength Tensile Strength (psi) 520, 3.6 (MPa) Test Method Material Resistance
High Temperature Resistance (°C) 104 Test Method Impact Resistance High Impact, 14 (in/lbs), 40 (in/lbs) Test Method Hardness
Elongation (%) 600 Other Properties
Flash Point (°F) 635.0, >392.0 Test Method % Solids (%) 100 Business Information
Shelf Life Details 12 months from date of despatch by 3M when stored in the original carton at 21°C (70°F) & 50 % Relative Humidity Shelf Life Temperature (°F) 70 Shelf Life Type From the date of despatch Shelf Life (mon) 12 -
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Best Practices for 3M 3789
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Surface Preparation
Surfacesmust be clean, dry and dust free. Wipe with a solvent such as isopropyl alcohol for plastic, metal and glass substrates to remove oil and dirt.
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Application
3M™Hot Melt Adhesives are designed for application with a 3M™ Hot Melt Applicators. Read and follow the precautions and directions for use in the user’s manual before operating the applicator. 3M™ Hot Melt Adhesives are applied at 350- 385°F. Adhesives yield approximately 430 linear feet per pound of adhesive when extruded as a 1/8” diameter semi-circular bead. Extruded bead sizes can be customized using 3M™ applicator tips.
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Viscosity Test Methods
Viscosity | Test Method | Temperature |
---|---|---|
5,200 cPs | Brookfield Thermocel Viscometer in Centipoise using a #27 Spindle @ 10 RPM | 191°C |
Softening Point Test Methods
Softening Point | Unit Test Method |
---|---|
132°C | ASTM E28-67 |
Work / Pot Time Test Methods
Work / Pot Time | Test Method |
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0.83 min | 1/8" semicircular bead, Douglas Fir to Douglas Fir. |
Shear Strength Test Methods
Shear Strength | Substrate | Test Temperature |
---|---|---|
570 psi | Douglas fir | 22°C |
3.9 (MPa) | Douglas Fir | 22°C |
Tensile Strength Test Methods
Tensile Strength | Test Temperature |
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520 psi | 22°C |
3.6 (MPa) | 22°C |
Peel Strength Test Methods
Peel Strength | Cure Temperature | Substrate | Test Temperature |
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16 piw | Canvas | 22°C | |
28 (N/10mm) | 22°C | Canvas |
High Temperature Resistance Test Methods
High Temperature Resistance | Test Method |
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104°C | Temperature at which adhesive fails |
Impact Resistance Test Methods
Impact Resistance | Test Method |
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High Impact | |
14 (in/lbs) | Impact resistance: 14 in/lbs at -18°C |
40 (in/lbs) | Impact resistance 40 in/lbs at 22°C |
Flash Point Test Methods
Flash Point | Test Method |
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335.0°C | |
>200.0°C | ASTM D 92-72 |