Bostik 70-03A ISR

Bostik® ISR 70-03A is an elastic bonding adhesive with a premium-quality silyl modified polymer (SMP) base formulated without solvents, isocyanates, or PVC materials. It has an open time of 45 minutes and a skin-forming time of 10 minutes.

425.372.1052
Documents

Specifications

Basic material: Silyl modified polymer (SMP)
Color: White, black, or gray
Temperature resistance: −40°F to 248°F (−40°C to 120°C)
Application temperature: 41°F to 95°F (5°C to 35°C)
Curing method: Moisture
Specific gravity: Approx 1.5 g/mL
Skin-forming time: Approx 10 min
Open time: Approx 45 min
Curing speed after 24 hrs: 0.125 in (3 mm)
Shore A hardness: ca. 60
Volume change: Less than 3%
Green strength: 500 Pa
Tensile stress at break: 390 psi
Elongation at break: ca. 200%
Shear stress: 400 psi
Tear propagation: Approx 17 N/mm
E-modulus (10%): 700 psi
UV and weather resistance: Excellent
Primary Chemistry: Silyl modified polymer (SMP)

Manufacturer
Bostik, Inc.
Product Line
Bostik Transportation Adhesives
Product
High Quality Adhesives and Sealants
Industries
Maintenance, Repair, Overhaul Transportation
Authorized Countries
Canada United States
supplier logo

Specifications

Basic material: Silyl modified polymer (SMP)
Color: White, black, or gray
Temperature resistance: −40°F to 248°F (−40°C to 120°C)
Application temperature: 41°F to 95°F (5°C to 35°C)
Curing method: Moisture
Specific gravity: Approx 1.5 g/mL
Skin-forming time: Approx 10 min
Open time: Approx 45 min
Curing speed after 24 hrs: 0.125 in (3 mm)
Shore A hardness: ca. 60
Volume change: Less than 3%
Green strength: 500 Pa
Tensile stress at break: 390 psi
Elongation at break: ca. 200%
Shear stress: 400 psi
Tear propagation: Approx 17 N/mm
E-modulus (10%): 700 psi
UV and weather resistance: Excellent
Primary Chemistry: Silyl modified polymer (SMP)

Features & Benefits

  • Silyl modified polymer based sealant
  • Odorless
  • Fast curing
  • High strength
  • Good adhesion without a primer
  • Durable
  • Paintable
  • High green strength and tensile strength
  • Free of solvents, isocyanates, and PVC
  • Can be used on aluminum, steel, zinc, brass, copper, powder-coated metal, glass, PVC, polyester, and wood
  • Resistant to UV and aging
  • Compatible with most industrial paint and lacquer systems
  • Extrudable with handgun or air pressure gun

Problems Solved

Damage or failure of adhesive due to weather or UV exposure
Toxic concerns from harmful solvents, isocyanates, or other chemistries
Inferior adhesive solutions with poor aging properties and protection

Applications

Bostik® ISR 70-03A is a high-quality adhesive sealant that can be used successfully across a wide range of applications, including but not limited to the following:

Making elastic constructive joints
Elastic bonding and sealing: bus, caravan, train, and truck construction
Bonding of roofs on buses, trains, and trucks
Bonding of corner profiles of aluminum and polyester on trailers
Bonding of polyester parts on metal frames
Bonding of floor systems
Composite assembly
Sunroof assembly
General bonding and sealing

Related Applications
Maintenance, Repair, Overhaul Transportation
Related Chemistries
Maintenance, Repair, Overhaul Transportation
Related End Markets
Maintenance, Repair, Overhaul Transportation
Related Functions
Maintenance, Repair, Overhaul Transportation

Related Products

Marine Grade Adhesives and Sealants

ChemPoint is here to help

Talk to an expert

Available Monday-Friday
8 AM to 5 PM Pacific Time
425.372.1052

Send us an email

Have a ChemPoint
expert contact you.

Browse support articles

Have order or account question?
Support Articles

Are you in the correct region?

We’ve detected that you are located in a different region than the region selected on the website. Would you like to change your region?


Current Region: English - United States