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Bostik 70-03A FR
Bostik® 70-03A FR is a flame retardant bonding adhesive sealant capable of maintaining permanent elasticity in temperatures ranging from −40°C to 100°C.
Fulfilled By ChemPoint
- Manufacturer: Bostik, Inc.
- Product Line: Bostik Transportation Adhesives
- Product: High Quality Adhesives and Sealants
- Industries: Maintenance, Repair, Overhaul | Transportation
- Authorized Countries: Canada | United States
Fulfilled By ChemPoint
Documents
Overview
Bostik® 70-03A FR is an innovative bonding compound engineered with a silyl modified polymer base that meets NFPA 130 requirements for flame, smoke, and toxicity. It exhibits exceptional resistive properties, withstanding high temperatures, fire, weather, and UV for a long-lasting bond and durable performance.
Bostik® 70-03A FR can be applied to a wide range of substrates, offering high strength and primerless adhesion while providing excellent UV, weather, and aging resistance for both outdoor and indoor applications. Bostik® 70-03A FR is especially recommended for applications in the mass transit industry, meeting the requirements of interior and exterior seals.
Specifications
Product type: Adhesive, flame retardant
Basic material: Silyl modified polymer (SMP)
Color: White
Temperature resistance: −40°C to 100°C
Application temperature: 5°C to 35°C
Curing method: Moisture
Specific gravity: Approx 1.5 g/mL
Skin-forming time: Approx 5 min
Open time: Less than 3 min
Curing speed after 24 hrs: 3 mm
Shore A hardness: ca. 65
Volume change: Less than 3%
Tensile stress (100%): Approx 2.5 MPa
Tensile stress at break: Approx 3.2 MPa
Elongation at break: ca. 160%
E-modulus (10%): Approx 6 MPa
Shear stress: 1.8 MPa
Tear propagation: Approx 10 N/mm
Solvent percentage: 0%
Isocyanate percentage: 0%
UV and weather resistance: Excellent
Packaging: 20 oz (600 mL) sausages, 5 gal pail
Features & Benefits
Compliant with NFPA 130 standards for flame, smoke, and toxicity
Fire retardant adhesive
Non-halogenated
Silyl modified polymer based
Neutral and odorless
Extrudable with handgun or air pressure gun
Free of silicones, solvents, isocyanates, and PVC
Primerless
Fast curing performance
Excellent resistance to extreme temperatures, weather, UV, and aging
Problems Solved
Damage or failure of adhesive due to fire, weather, or UV exposure
Adhesive sealants requiring a primer phase
Applications
Bostik® 70-03A FR is a premier adhesive sealant recommended for applications where flame, smoke, and toxicity requirements are necessary, including but not limited to the following:
Interior and exterior sealing in train constructions that require fire retardancy
Automotive manufacturing and assembly
Elastic bonding in mass transit constructions (e.g., train, bus, and coach)
Interior sealing in aerospace applications
Sealing welded seams
Floor bonding
General assembly
General sealing
Related Applications
Maintenance, Repair, Overhaul
Transportation
Related Chemistries
Maintenance, Repair, Overhaul
Transportation
Related End Markets
Maintenance, Repair, Overhaul
Transportation
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