SCIGRIP SG300 is a high performance structural adhesive designed for demanding applications across the transportation and marine industries.
SG300 series
One adhesive for all bonding
Ideal for
Overview
Engineered to bond metals, composites, and plastics, including dissimilar materials, it is trusted by manufacturers of trains, trams, buses, coaches, and leisure craft worldwide.
From bonding large exterior panels and structural frames to securing interior assemblies and composite parts, SG300 delivers strength, durability, and reliability where it matters most.
Certified to EN45545-2 HL3 fire safety standards for rail, it meets the stringent requirements of modern transportation while offering design flexibility, faster processing, and long-term performance in harsh environments.
Features and benefits
Bonds
Cross-bonds a wide variety of substrates - metals, composites, plastics
Surface preparation
Primerless metal bonding with no surface pretreatment required for most metals
Environment
Creates strong, permanent bonds, even in harsh environments
Finishing
Reduced bond line read through means less post finishing requirements
Working times
Multiple working times (5,15 & 40 minutes). Select to fit application and process requirements
Sag
No slide or sag, even on inverted and non-level surfaces
Gap fill
Fills gaps up to 0.375 inches (9.5mm)
Quality
Permanent strength and elasticity. Excellent fatigue, impact and shock load resistance
Recommended use
Multi-material bonding – proven performance on metals, composites, and plastics, including dissimilar materials.
Trusted in train and tram transportation – widely used in applications for interior panels and composite parts, frames, dashboard assembly and body panels. Holds the EN45545-2 HL3 EU fire testing certification for railway components.
Used in bus and coach manufacturing for a bonding interior and exterior parts – Front and rear shell bonding, roof bonding, door panels, window frames, roof hatch, air conditioning cover, front dash and panel components, bumper and grill and many more.
Perfect for bonding recreational and leisure craft, pontoon, lifeboat and yacht manufacturing – including hatches and composite parts, mounting hardware, bonding boat trim, hardtop bonding and more.
Recommended Bonding
Aluminum
Coated/Painted Metals
Sheet Metal
Stainless Steel
Cold Rolled Steel
Polycarbonates
Acrylic
ABS
Vinyls (PVC)
Fiberglass
Gelcoats
RTM
RTM Light
Specifications
| Adhesive | Gap fill inch (mm) | Working time minutes | Fixture time minutes | Ratio A:B Volume Weight | Tensile Strength psi (MPa) | Shear Strength psi (MPa) |
|---|---|---|---|---|---|---|
| SG300-05 | 0.02-0.375 (0.50-9.5) | 4-6 | 15-20 | 10:1 | >1,700 (12) | >2,300 (16) |
| SG300-15 | 0.02-0.375 (0.50-9.5) | 13-17 | 30-40 | 10:1 | >1,700 (12) | >2,300 (16) |
| SG300-40 | 0.02-0.375 (0.50-9.5) | 35-45 | 80-90 | 10:1 | >1,700 (12) | >2,300 (16) |
Adhesive
SG300-05
SG300-15
SG300-40
Related case studies
Interested in the SG300 series?
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