Description
Production-Grade Surface Pretreatment
Pyrosil® GVE2 HB Portable Unit
Advanced flame pyrolysis for continuous manufacturing environments.
The Pyrosil® GVE2 HB is a portable surface treatment unit engineered for medium to large-sized parts. It utilizes flame pyrolysis to deposit a several-nanometer-thin, highly reactive silicon dioxide (SiOx) layer directly onto treated surfaces.
Designed for continuous operation, the GVE2 HB can be used as a heavy-duty hand unit for large workpieces or integrated directly into a process line. It dramatically increases surface tension, helping adhesives, coatings, and UV inks bond permanently to low-energy plastics, glass, and metals.
Standard Flame Treatment
Standard propane flame treatment only provides a temporary fix for difficult surfaces.
- Temporarily increases surface energy through oxidation.
- Does not permanently alter the chemical structure of the substrate.
- May not prevent long-term delamination under mechanical or chemical wear.
The Pyrosil® Advantage
Pyrosil chemically transforms the surface for permanent, structural bond reliability.
- Deposits a dense, highly reactive SiOx layer onto the surface.
- Dramatically improves torque, shear, and peel adhesion strength.
- Provides superior resistance against moisture, abrasion, and environmental wear.
Proven Performance: Pyrosil vs. Standard Propane
Pyrosil improving silicone adhesion on difficult powder-coated surfaces.
Common Applications
- Surface silication of medium and large-sized parts.
- Improving adhesive bond strength in structural manufacturing assemblies.
- Bonding preparation for low-energy plastics (HDPE, PP, PE, Nylon).
- Treating smooth, non-porous surfaces (Glass, Ceramics, Porcelain, Metal).
- Increasing silicone adhesion in architectural applications.
GVE2 HB System Components
- Robust base unit with built-in pressure indicator.
- Two-step pressure minimizer evaporator unit.
- High-capacity 55mm hand burner with operating lever and temperature sensor.
- Flexible pressure hose connecting base device to hand burner.
- Dual cartridges for extended, continuous operation substrate usage.
System Specifications
| Product | Pyrosil® GVE2 HB Portable Surface Treatment Unit |
| Typical Use | Medium and large parts, handheld treatment, production line integration |
| Basic Device Size | 300 x 210 x 400 mm |
| Basic Device Weight | 12.8 kg |
| Cartridge Filling Volume | 330 g |
| Gas Pressure | 4 to 5 bar (Working Pressure: 0.5 bar) |
| Service Time | Approximately 150 minutes |
| Flame Specs | Temperature: 1300°C | Size: Approx. 100 mm |
| Certification | EN ISO 9001 Listed |
Treatment Guidance & Times
Use the non-luminous oxidizing part of the flame for pretreatment. Move the flame gently across the substrate to avoid localized overheating.
- Typical Speed: Approx. 15 to 30 seconds per 0.5 m² of surface area.
- Plastics: 1 to 3 flame cycles are typically sufficient.
- Metal/Glass/Ceramics: 4 to 8 flame cycles are typically sufficient. Warming these materials to 40°C–50°C helps avoid condensation.
- Processing: Speedy processing after treatment is recommended (12-hour maximum window).
Important Safety & Scaling Info
- Pyrosil uses a propane-butane gas mixture and must be handled with appropriate flame safety practices.
- Remove ignition sources and strictly prohibit smoking during handling.
- Use good ventilation or an exhaust device for longer work periods, and exercise caution when treating PTFE/fluorine polymers.
Scaling up? Pyrosil is also available in highly integrated Semi-Automatic and Fully-Automatic inline systems.
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