Bostik 70-37

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Description for Bostik 70-37

A one-component, moisture curing, adhesive/sealant based upon Bostik Silyl Modified Polymer (SMP) Technology. Significant product benefits include, fast skinning (<45 mins.), 100% solids, non-yellowing, contains no solvent (alcohols, xylene, etc.), and paint compatible.

Note: This material has been discontinued. Please view the Comparable Materials tab or call us at (262) 293-7970 for additional help.

*See Terms of Use Below

Application Type	bond, Seal
1 Part or 2 Part	1 Part
Material Form	Paste
Manufacturer	Bostik
Chemistry	Silyl Modified Polymer (SMP), free of alcohols, xylene
Cure Method	Moisture
Cure Time (min)	1,440 to 2,160

Best Practices for Bostik 70-37

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Technical Data for Bostik 70-37

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Overview

Application Type
- Adhesive - bond
- Sealant - Seal
1 Part or 2 Part
- 1 Part or 2 Part - 1 Part
Material Form
- Paste
Industry
- Industrial
Chemistry
- Solvent-Free - free of alcohols, xylene
- Silyl Modified Polymer (SMP) / MS Polymer - Silyl Modified Polymer (SMP)
Cure Method
- Moisture / Condensation Cure - Moisture

Specifications

Cure Specs

Cure Time (min)	1,440 to 2,160	Test Method
Set Time (min)	Fast, 30 to 45
Tack Free Time (min)	Fast, 30 to 45
Work / Pot Time (min)	35 to 45	Test Method
Thixotropic	Medium thixotrophy

Bond Strength

Tensile Strength (psi)	150

Material Resistance

UV Resistance	Excellent

Hardness

Shore A Hardness	45
Elongation (%)	500	Test Method
Modulus (psi)	30, 50, 70	Test Method

Other Properties

% Solids (%)	1.0

Business Information

Shelf Life Details	Bostik 70-37A may be stored for 12 months in a closed (unopened) container in a dry place at temperatures below 80°F (27°C).
Shelf Life (mon)	12

Best Practices for Bostik 70-37

*See Terms of Use Below
1. Surface Preparation
  
  Substrates should be free of all loose contamination, greases, oils, etc. Use Isopropyl alcohol or other approved solvent for substrate pretreatment.
2. Clean-Up
  
  Cleaning tools or removing uncured residue of Bostik® 70-37A can be done with a clean colorless cloth, wetted with Isopropyl alcohol.
3. Testing
  
  It is recommended to make a trial first to check possible attack of the substrate by Isopropyl alcohol.
Comparable Materials for Bostik 70-37

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Spec Engine^® Results
- Simson ISR 70-03 w/ 70-03A(Bostik)
  High quality adhesive / sealant; high strength; solvent free; neutral cure; very good UV resistance.
- Simson ISR 70-09(Bostik)
  High tack, high green strength adhesive / sealant; low electrical conductivity; neutral cure; solvent free; low volume shrinkage.
- Simson ISR 70-05(Bostik)
  High green strength; high tensile; solvent free; fast curing; paint compatible.
- Compare All