3M 3789

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Description for 3M 3789

High performance for plastics • Impact resistant • Bonds vinyl and wood • Good fuel and oil resistance

Chemical Resistance	Good Fuel Resistance, Good Oil Resistance
Application Type	Bond, Seal
1 Part or 2 Part	1-Part
Material Form	Bulk
Substrate	Acrylic, Fabric, Glass, Metal, Paper, PVC, HardWood, Vinyl, Flexible foam, ABS, Uncoated Cardboard, Particle Board, Flexible Vinyl, Coated Cardboard, Coated Chipboard, 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

Best Practices for 3M 3789

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Technical Data for 3M 3789

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Overview

Chemical Resistance
- Chemical Resistance - Good Fuel Resistance, Good Oil Resistance
Application Type
- Adhesive - Bond
- Sealant - Seal
1 Part or 2 Part
- 1-Part
Material Form
- Bulk
Substrate
- Foam - Flexible foam
- Glass
- Metal
- Acrylic (PMMA) - Acrylic
- Polyvinyl chloride (PVC) - PVC
- Vinyl - Flexible Vinyl
- ABS
- Wood - HardWood, Particle Board, Soft Wood, Uncoated Chipboard, Coated Chipboard
- Fabric
- Paper - Uncoated Cardboard, Coated Cardboard
- Other - Masonite, Leather
Industry
- Furniture / Wood-Working - Cabinets, Furniture, Wood Working
Chemistry
- Hot melt - Polyamide
Application Method
- Dispenser - Lamination equipment
Cure Method
- Hotmelt - Hot melt
Color
- Brown
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

Best Practices for 3M 3789

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1. 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.
2. 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.
Comparable Materials for 3M 3789

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Spec Engine^® Results
- HM1580(HB Fuller)
  A versatile, high performance polyamide adhesive, designed for demanding product assembly operations. It combines medium open-time, excellent high and low temperature properties, resistance to oil, many chemicals and solvents, and adhesion to a broad spectrum of difficult-to-bond substrates.
- 4101(Bostik)
  Amber, Polyester, excellent plasticizer resistance. Resists solvents & oils.
- 7116(Bostik)
  A high performance polyester hot melt adhesive designed to bond wood, textiles, and vinyl film. This product has a moderate open time, low application viscosity, and good temperature resistance.
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- 3779(3M)
  High heat resistance • High strength • Good fuel and oil resistance
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