What is BOSTIK SAF 30-5 Methacrylate Glue and why choose it
BOSTIK SAF 30-5 is a two-component methacrylate structural adhesive designed for high-performance bonding of metals, plastics and composite materials in industrial applications. Its fast curing time, non-sag consistency and excellent resistance to temperature, weathering and ageing make it suitable for demanding structural joints where flexibility and fatigue resistance are required.
Main features
- Two-component methacrylate adhesive (10:1 volume ratio).
- Fast curing at room temperature.
- Non-sag formulation for application on vertical or overhead surfaces.
- Temperature resistance even under stress.
- Excellent environmental, weathering and ageing resistance.
- Minimal surface preparation on most recommended substrates.
- Designed for structural bonding while maintaining flexibility and fatigue resistance.
Technical specifications
System and polymerization
- System: Two-component methacrylate adhesive.
- Mixing ratio: 10:1 by volume.
- Polymerization: Room temperature.
Physical properties
- Resin appearance: Off white.
- Hardener appearance (Bostik SAF D): White/Black.
- Resin density: 1.03 (±0.02).
- Hardener density: 1.16 (±0.02).
- Resin viscosity at 23°C: 200 000 – 600 000 mPa·s (Brookfield, mobile T-F, 10 rpm).
- Hardener viscosity at 23°C: 80 000 – 250 000 mPa·s (Brookfield, mobile T-F, 10 rpm).
- Consistency: Non-sag.
Curing properties at 23°C
- Open time: 2 – 4 minutes.
- Fixture time: 6 – 8 minutes.
- Full cure: 24 hours.
Mechanical properties
- Lap shear strength (ISO 4587), thickness 250 µm: 21.0 MPa (cohesive failure).
- Tensile strength at break (ISO 527-1A): 12 – 16 MPa.
- Tensile modulus (ISO 527-1A): 800 – 1100 MPa.
- Hardness (Shore D): 70 – 80.
- Elongation at break (ISO 527-1A): 25 – 30%.
Weathering and ageing resistance
Lap shear strength according to ISO 4587 after D3 ageing cycle (NF EN ISO 9142, 7 ageing cycles / 7 days):
- Aluminium 6060: 21.0 MPa before ageing, 22.0 MPa after ageing (cohesive failure).
- Aluminium 6061: 21.0 MPa before ageing, 22.0 MPa after ageing (cohesive failure).
- Stainless steel: 21.0 MPa before ageing, 21.8 MPa after ageing (cohesive failure).
- Steel: 22.0 MPa before ageing, 23.0 MPa after ageing (cohesive failure).
- PMMA: Substrate failure before and after ageing.
- ABS: Substrate failure before and after ageing.
- FRP: Delamination failure before and after ageing.
Recommended substrates (range of application)
- Metals: Steel, stainless steel, aluminium.
- Composites: Polyester, acrylic (Elium), vinyester, epoxy, FRP.
- Plastics: PVC, PS, ABS, PC, PMMA.
Surface preparation
- Use BOSTIK T700 to remove grease, contamination or poorly adhering oxides from metal surfaces.
- Most plastics only require simple cleaning before bonding.
- Some plastics may require sanding to obtain better performance.
Application conditions
- Optimum performance is obtained at room temperature between 15°C and 25°C.
- No post-curing is required within these conditions.
- Follow the product operating guide or contact a Bostik representative for information on dispensing equipment or substrate application.
Storage
- SAF30 5 shelf life: 9 months in unopened original packaging.
- SAF D hardener shelf life: 12 months in unopened original packaging.
- Storage conditions: Closed container, dry place, temperature between 15°C and 25°C.
- Exposure to higher or lower temperatures reduces the stated shelf life.
Packaging
- Side-by-side cartridges: 50 mL and 490 mL.
- Pails: 20 L.
- Drums: 200 L.
- 50 mL cartridges require M5.4/16 mixers.
- 490 mL cartridges require MFX10-18 mixers.
Applications and use cases
BOSTIK SAF 30-5 has been developed for structural bonding in industrial applications where different types of materials must be joined with durable performance. It is suitable for bonding:
- Metals such as steel, stainless steel and aluminium.
- Composite materials including polyester, vinyester, epoxy, acrylic (Elium) and FRP.
- Engineering plastics such as PVC, PS, ABS, PC and PMMA.
The adhesive is particularly useful where fast curing, non-sag application on vertical surfaces and high resistance to aggressive environments, weathering and ageing are required.
FAQ
1. What type of adhesive is BOSTIK SAF 30-5?
BOSTIK SAF 30-5 is a two-component methacrylate structural adhesive with a 10:1 volume mixing ratio, curing at room temperature.
2. How fast does BOSTIK SAF 30-5 cure?
At 23°C, the open time is 2–4 minutes, fixture time is 6–8 minutes and full cure is reached after 24 hours.
3. Can it be applied on vertical surfaces?
Yes, its non-sag formulation allows application on vertical surfaces without running.
4. Which materials can be bonded with this adhesive?
It is recommended for steel, stainless steel, aluminium, polyester, acrylic (Elium), vinyester, epoxy, FRP, PVC, PS, ABS, PC and PMMA.
5. Does BOSTIK SAF 30-5 resist weathering and ageing?
Yes, it has been developed to resist aggressive environments and extreme temperatures, showing excellent weathering and ageing resistance with high lap shear strength after D3 ageing cycles.
6. What surface preparation is required?
Metal surfaces should be cleaned with BOSTIK T700 to remove grease, contamination or poorly adhering oxides. Most plastics require simple cleaning, and some may need sanding.
7. What are the recommended application conditions?
Optimum properties are obtained at room temperature between 15°C and 25°C without post-curing.
8. How should the product be stored?
Store unopened containers in a dry place at 15–25°C. Shelf life is 9 months for SAF30 5 and 12 months for SAF D under these conditions.
9. Is the adhesive flammable?
Yes, it contains methacrylate monomers and is flammable. Materials must be stored in a cool place away from sources of heat.
10. Are there any handling precautions?
Use the product in a well-ventilated area. When the two components are mixed, an exothermic reaction can occur and generate heat. Read the Safety Data Sheet before handling or using the product.
Section 14 – Transport information
Consultar ficha técnica del fabricante.
Section 8 – Individual protection measures
Use the product in a well-ventilated area. For detailed individual protection measures, Consultar ficha técnica del fabricante.
*Contenido generado por IA
