Bostik 2402

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Description for Bostik 2402

Light brown, Marine adhesive. Tough resilient bond. Good adhesion to Hypalon inflatables. Resistant to heat, moisture, acids, alkalis, gasoline, oil and kerosene.

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Application Type	Bond, Gasket
1 Part or 2 Part	2 Part
Material Form	Liquid
Substrate	Rubber
Industry	Marine, Belt splicing, Flooring installation, Hypalon rubber boat repair, News print splicing
Manufacturer	Bostik
Chemistry	Synthetic rubber, Natural rubber based, Solvent-based, Water borne, Polychloroprene Rubber
Cure Method	2 parts, Heat
Cure Temperature (°C)	>70
Cure Time (min)	<10,080, 120
Viscosity (cPs)	3,300 to 4,200, 2,500 to 3,200
Color	Light brown
Chemical Resistance	Good, Acids, Gasoline, oil, kerosene
High Temperature Resistance (°C)	high heat resistance
Durability	Tough
Density (g/cm³)	8 (WT./GAL.), 0.890

Best Practices for Bostik 2402

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Technical Data for Bostik 2402

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Overview

Application Type
- Gasketing - Gasket
- Adhesive - Bond
1 Part or 2 Part
- 1 Part or 2 Part - 2 Part
Material Form
- Liquid
Substrate
- Rubber
Industry
- Marine - Hypalon rubber boat repair
- Splicing - Belt splicing, News print splicing
- Flooring - Flooring installation
- Other - Cabinet lamination, Carpet bonding, Vacuum forming vinyls, Films
Chemistry
- Synthetic Rubber
- Solvent-Based
- Other - Natural rubber based, Polychloroprene Rubber
- Water-based - Water borne
Application Method
- Roll - Roller
- Brush
Cure Method
- Heat
- 2-Part Cure - 2 parts
Color
- Brown - Light brown

Specifications

Cure Specs

Cure Temperature (°C)	>70
Cure Time (min)	<10,080, 120
Viscosity (cPs)	3,300 to 4,200, 2,500 to 3,200	Test Method
Work / Pot Time (min)	360 to 480, 0.10	Test Method
Mix Ratio	12:5:1 (by volume)

Material Resistance

Chemical Resistance	Good, Acids, Gasoline, oil, kerosene
High Temperature Resistance (°C)	high heat resistance
Moisture/Humidity Resistance	Moisture resistance

Hardness

Durability	Tough
Flexibility	Resilient

Other Properties

% Solids (%)	25 to 28	Test Method
Density (g/cm³)	8 (WT./GAL.), 0.890

Business Information

Shelf Life Details	Store away from heat sources and under cover. The solvent vapours are highly flammable. A minimum shelf life of 12 months from date of manufacture if stored under cover below 30°C.
Shelf Life Temperature (°F)	<86
Shelf Life Type	From date of manufacture
Shelf Life (mon)	12

Best Practices for Bostik 2402

*See Terms of Use Below
1. Surface Preparation
  
  Surfaces must be clean and grease free. They may be cleaned by abrading the surface with clean emery cloth or by using Bostik 9913 Solvent to remove surface contamination. Solvent cleaning should not be adopted for those surfaces where the bond strength is likely to be affected adversely by the penetration of the solvent into the materials. For maximum adhesion, abrading is preferable to solvent cleaning. Some rubbers (particularly natural) require priming with Bostik 9300 Primer prior to application of Bostik 2402 adhesive. Test strips should be made up and tested to ensure the best bond possible will be obtained. For the strongest adhesion to metal, and some plastics Bostik 9252 Primer must be used. Stir the primers thoroughly prior to the application of a medium brush coat to the prepared metal surfaces. Allow the primer coat to dry for at least one hour before applying adhesive.
2. Application
  
  In some cases a single adhesive application to each surface may not be sufficient (e.g. porous surfaces) then multicoat applications may be needed to build up film thickness. In this case, each coat should be allowed to dry for about 40-45 minutes except the final one which should have 10 - 20 minutes. It is always advisable to build up film thickness with a number of thin coats rather than a single heavy coat.
  
  Allow the 2 films to dry for 10-20 minutes, or until they can be touched with the knuckles without any cement being transferred.
3. Mixing
  
  Add approximately 4% w/w Bostik 9101 Curing Agent to 2402 Adhesive and stir in thoroughly for at least 2 minutes.
4. Clean-Up
  
  Clean up and thin with Bostik 9913 solvent only.
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