Bostik ISR 70-07 – Solvent-free SMP sprayable sealant for eco sealing
- Isocyanate and solvent-free
- Fast spray application
- Multi-material adhesion
- Long-lasting elasticity, absorbs shocks
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Bostik ISR 70-07: A durable and easy-to-apply spray sealant
The Bostik ISR 70-07 is a sprayable sealant based on SMP (Silyl Modified Polymer) technology, specially developed for industrial, transport, and automotive applications.
Its formulation is free from solvents, isocyanates, silicones, and PVC, meeting modern eco-design and user safety standards while ensuring durable, reliable sealing on a wide range of materials.
🌿 Isocyanate-, solvent-, and silicone-free formulation
💨 Quick spray application (30–40 cm distance)
⚙️ Multi-material adhesion without primer
🧱 Permanent elasticity and vibration resistance
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A versatile sealant for joints, seams, and finishing
Designed for demanding environments, Bostik ISR 70-07 effectively seals, protects, and dampens areas exposed to mechanical or climatic stress.
Thanks to its spray application, it delivers a smooth, even finish, even on hard-to-reach surfaces.
It also helps reduce vibrations, protects against corrosion, and remains compatible with most industrial paints after skin formation.
Industrial applications
Bostik ISR 70-07 is ideal for industries that require speed, reliability, and cleanliness in application.
| Sector | Example applications |
|---|---|
| Automotive and commercial vehicles | Sealing welds, body joints, fenders, trunks, and floors |
| Transport and rail | Assembly of panels, hoods, trunks, and internal structures |
| Metal construction | Overlap joints, gap sealing, and moisture protection |
| Industrial maintenance | Quick repairs, finishing, and anti-corrosion protection |
| Outdoor equipment | Sealing components exposed to humidity and vibration |
| Industrial flooring | Bonding and sealing technical floor joints |
📞 Need a tailored solution? Our technicians can advise you on spray parameters and compatible substrates.
Ecological advantages of ISR 70-07
Free from solvents, isocyanates, silicones, and PVC for a safer working environment
SMP polymer formulation moisture-curing and user-safe
Excellent UV and aging resistance for long-term durability
Paintable (alkyd or dispersion) after skin formation
Low VOC emissions and reduced environmental impact
Technical data of Bostik ISR 70-07
| Property | Typical value |
|---|---|
| Chemical base | Silane Modified Polymer (SMP) |
| Product type | Sprayable sealant |
| Density | Approx. 1.4 g/ml |
| Skin formation | ≈ 30 min (20 °C / 50% RH) |
| Curing after 24 h | ≈ 2 mm |
| Shore A hardness | Approx. 45 |
| Elongation at break | ≈ 175% |
| Tensile strength | 1.1–1.5 MPa |
| Shear strength | ≈ 1.1 MPa |
| Temperature range | –40 °C to +100 °C (up to +120 °C depending on version) |
| Paint compatibility | Yes, after skin formation |
| Available colors | Grey (black optional) |
| Application temperature | +5 °C to +35 °C |
| Packaging | 290 ml cartridges or other formats |
| Shelf life | 18 months (between +5 °C and +30 °C, sealed packaging) |
Why choose Bostik ISR 70-07?
🌍 Eco-friendly and safe thanks to its isocyanate-free formula
💨 Fast, precise spray application for higher productivity
🧱 Excellent adhesion on metal, PVC, glass, wood, and composites
🔧 Long-lasting flexibility to absorb vibrations and expansions
🎨 Paintable finish for a clean and professional appearance
FAQ – All you need to know about Bostik ISR 70-07
Can the sealant be painted?
Yes, it is compatible with most industrial paints after skin formation.
Can it be used on plastic?
Yes, except on untreated polyolefins (PE, PP, PTFE) without a specific primer.
Which equipment should be used for application?
A compressed air gun with an adjustable nozzle, applied at a distance of about 30–40 cm.
Is it resistant to heat and cold?
Yes, it remains flexible and watertight between –40 °C and +100 °C (up to +120 °C depending on the version).
What is its shelf life?
Up to 18 months in its original sealed packaging, stored between +5 °C and +30 °C.
Adezif in figures
+ 30 technical experts in industrial adhesives
1 internal laboratory to test and validate our solutions
+ 5,000 m2 of production and storage
+ 3,000 active customers trust us
