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
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

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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