Bostik Simson ISR 70-03 w/ 70-03A

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Description for Bostik Simson ISR 70-03 w/ 70-03A

High quality adhesive / sealant; high strength; solvent free; neutral cure; very good UV resistance.

Application Type	Bond, Seal
1 Part or 2 Part	1 Part
Material Form	Paste
Substrate	Copper, Glass, Aluminum, Brass, Powder coated metal, Zinc, Polyester, PVC, Galvanized steel, Stainless Steel, Painted and lacquered wood, Galvanized steel
Industry	Bonding roofs on buses, Bonding polyester on trailers, Bonding roofs on trains, Bonding roofs on trucks, Elastic bonding and sealing for bus construction, Elastic sealing for train construction, Elastic bonding and sealing for truck construction
Manufacturer	Bostik
Chemistry	SMP (Silyl Modified Polymer), PVC-free, Isocyanate-free, Solvent-free
Cure Method	Moisture
Cure Temperature (°C)	20
Cure Time (min)	Fast, >1,440
Color	Black, Gray, White
High Temperature Resistance (°C)	120, 180
Low Temperature Resistance (°C)	-40

Best Practices for Bostik Simson ISR 70-03 w/ 70-03A

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Technical Data for Bostik Simson ISR 70-03 w/ 70-03A

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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
Substrate
- Glass
- Metal - Powder coated metal
- Copper
- Aluminum
- Brass
- Zinc
- Galvanized - Galvanized steel
- Polyvinyl chloride (PVC) - PVC
- Wood - Painted and lacquered wood
- Polyester
- Galvanized Steel
- Stainless Steel
- Other - Many substrates
Industry
- Bus - Bonding roofs on buses, Elastic bonding and sealing for bus construction
- Other Transportation - Elastic bonding and sealing for caravan construction, Sunroof assemblies
- Trailer - Bonding polyester on trailers
- Rail - Bonding roofs on trains, Elastic sealing for train construction
- Trucks - Bonding roofs on trucks, Elastic bonding and sealing for truck construction
- Industrial - Bonding corner profiles of aluminium, Bonding polyester parts on metal frames, Sealing welded seams
- Construction - Bonding floor systems
Chemistry
- Solvent-Free - PVC-free, Isocyanate-free
- Silyl Modified Polymer (SMP) / MS Polymer - SMP (Silyl Modified Polymer)
Application Method
- Dispenser - Air-pressure gun
- Brush - Hand
Cure Method
- Moisture / Condensation Cure - Moisture
Color
- Black
- Gray
- White

Specifications

Cure Specs

Application Temperature (°F)	41 to 95
Cure Temperature (°C)	20	Test Method
Cure Time (min)	Fast, >1,440	Test Method
Tack Free Time (min)	10	Test Method
Work / Pot Time (min)	<15	Test Method

Bond Strength

General Bond Strength (psi)	High
Shear Strength (psi)	360	Test Method
Green Strength (psi)	300 (Pa)	Test Method
Tensile Strength (psi)	245, 375	Test Method

Material Resistance

UV Resistance	Excellent, Very Good
Environmental Resistance	Excellent
High Temperature Resistance (°C)	120, 180
Low Temperature Resistance (°C)	-40
Moisture/Humidity Resistance	Moisture/humidity resistance

Hardness

Shore A Hardness	55	Test Method
Elongation (%)	250	Test Method
Flexibility	Permanently elastic
Modulus (psi)	475	Test Method

Other Properties

Specific Gravity	1.4 (g/ml)

Business Information

Shelf Life Details	Bostik® 70-03A / Simson ISR 70-03 may be stored for 12 months in closed (unopened) sausages in a dry place at temperatures between 40°F and 90°F (5°C and 30°C).
Shelf Life Temperature (°F)	41 to 86
Shelf Life (mon)	12

Not Good For

Don't Use With	untreated polyethylene, polypropylene, teflon.

Best Practices for Bostik Simson ISR 70-03 w/ 70-03A

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1. Surface Preparation
  
  70-03A adheres well without primer on clean, dry, dust and grease free substrates of aluminum, stainless steel, galvanized steel, zinc, copper, brass, powder coated metal, most lacquered metal surfaces, glass, PVC, polyester (GRP & FRP), painted and lacquered wood, etc. No adhesion on untreated polyethylene, polypropylene and PTFE.
2. Application
  
  Simson ISR 70-03 can easily be extruded with a hand- or air-pressure gun at temperatures between 45°F and 100°F (5°C and 35°C). In sealing applications Simson ISR 70-03 should be tooled or smoothened within 10 minutes (at 20°C/50% R.H.) with a spatula or putty knife, occasionally moistened with a soap solution. Avoid soap solution penetrating between joint sides and sealant, which will result in loss of adhesion. In bonding applications, the substrates have to be assembled within 15 minutes (at 20°C/50% R.H.) after applying Simson ISR 70-03. In general an adhesive thickness of 0.062-in. or 1/16-in. (2 mm) is recommended.
3. Clean-Up
  
  Cleaning tools or removing uncured residue of Bostik® 70-03A / Simson ISR 70-03 can be done with a clean white/colorless cloth, moistened with IPA (Isopropyl alcohol). Check substrate compatibility with IPA (Isopropyl alcohol) before proceeding.
Comparable Materials for Bostik Simson ISR 70-03 w/ 70-03A

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Spec Engine^® Results
- Simson ISR 70-05(Bostik)
  High green strength; high tensile; solvent free; fast curing; paint compatible.
- Simson ISR 70-09(Bostik)
  High tack, high green strength adhesive / sealant; low electrical conductivity; neutral cure; solvent free; low volume shrinkage.
- ISR 70-03A-SKF(Bostik)
  High quality adhesive / sealant; very good adhesion on some substrates without the use of primer ; solvent free; neutral cure; long open time.
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