Bostik Thermogrip 2239

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Description for Bostik Thermogrip 2239

High performance polyamide hot melt; low application viscosity, high temperature resistance, long open time.

Chemical Resistance	Alkalies, Chemical Resistance: Fluid Resistance: Water, Chemical Resistance: Acids, Fats & oils
Application Type	Bond
1 Part or 2 Part	1-Part
Material Form	Stick
Substrate	Acrylic, Porous substrates, Metal, ABS, Plastic, PolyVinyl Chloride, Vinyl, Polycarbonate, Polypropylene, BeechWood, Wood
Industry	Carpet, Door Panel, Filter assembly, Automotive
Manufacturer	Bostik
Chemistry	Hot melt
Cure Method	Hot melt
Cure Time (min)	1,440
Viscosity (cPs)	Low, 3,900, 6,000
Color	Amber
High Temperature Resistance (°C)	115, High
Low Temperature Resistance (°C)	-18

Best Practices for Bostik Thermogrip 2239

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Technical Data for Bostik Thermogrip 2239

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Overview

Chemical Resistance
- Chemical Resistance : Fluid Resistance : Water Resistance - Water
- Chemical Resistance - Alkalies, Fats & oils
- Chemical Resistance : Acid Resistance - Acids
Application Type
- Adhesive - Bond
1 Part or 2 Part
- 1-Part
Material Form
- Stick
Substrate
- Porous Substrates
- Metal
- Plastic
- Acrylic (PMMA) - Acrylic
- ABS
- Polyvinyl chloride (PVC) - PolyVinyl Chloride
- Vinyl
- Polycarbonate
- Polypropylene
- Wood - BeechWood
Industry
- Textiles - Textile
- Automotive
- Filters - Filter assembly
- Carpet
- Construction Door - Door Panel
- Furniture / Wood-Working - Cabinet, Furniture
Chemistry
- Hot melt
Cure Method
- Hotmelt - Hot melt
Color
- Red - Amber

Specifications

Cure Specs

Cure Time (min)	1,440
Viscosity (cPs)	Low, 3,900, 6,000	Test Method
Fixture or Handling Strength Time (min)	1,440
Softening Point (°C)	140
Work / Pot Time (min)	Long
Open Time (min)	<1.25

Bond Strength

Shear Strength (psi)	410, 250, 200, 30, 545	Test Method

Material Resistance

High Temperature Resistance (°C)	115, High
Low Temperature Resistance (°C)	-18

Hardness

Flexibility	Good low temperature flexibility

Other Properties

Specific Gravity	1.01 (gm/cc)	Test Method

Business Information

Shelf Life Details	Shelf life is one year at 73°F (23°C) in sealed containers., Note: Polyamides slowly absorb moisture/humidity from ambient air which may cause foaming upon melting of the product. Care should be taken to minimize moisture exposure. Keep containers sealed when not in use and store in cool, dry area.
Shelf Life Temperature (°F)	73
Shelf Life (mon)	12

Best Practices for Bostik Thermogrip 2239

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1. Surface Preparation
  
  All surfaces should be clean and free of contaminants. If necessary, clean surfaces with solvent.
2. Application
  
  Apply the adhesive to the more difficult-to-bond surface. In general, hard, smooth surfaces are more difficult to bond than rough, porous surfaces. “Open-time” varies depending on application temperature, amount of adhesive applied, type of substrate and ambient temperature conditions. Mate the surfaces to be bonded as quickly as possible after adhesive has been applied for optimum bond strength. Use firmest pressure practical for object being bonded. Do not move or adjust surfaces after contact has been made, as inferior bond strength will result. Bonding some metals is enhanced by pre-warming the surfaces. Pre-warm up to 200°F (95°C) for optimum effect. Typically, a properly formed hot melt adhesive bond will achieve 50% of its strength after 1 minute, 75% after 1 hour, and 100% after 1 day.
Comparable Materials for Bostik Thermogrip 2239

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Spec Engine^® Results
- Thermogrip 2124(Bostik)
  Flexible hot melt adhesive, long set time, designed for high performance bonding of difficult substrates or substrate combinations.
- Thermogrip 2109(Bostik)
  Medium-setting hot melt adhesive, economical with low viscosity and quick grab ability very good "gunability" in stick form.
- Thermogrip 2385(Bostik)
  High performance, long open time hot melt; good bonding characteristics to a wide variety of substrates; good cold resistance; high delivery rate.
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