The static mixing nozzle, also known as a static mixer, is a device used to mix two or more materials together without the need for any moving parts. It is commonly used in industrial processes where precise mixing is required. The nozzle is made up of a series of fixed elements or channels that are designed to create turbulence in the materials as they pass through, thereby promoting the mixing process.
Static mixing nozzles are typically made from materials such as plastic, and are available in various sizes and configurations to suit different applications. They can be used with a wide range of materials including adhesives, sealants, resins, paints, and other fluids.
Inside every static mixing nozzle are stationary helical elements that divide and recombine the materials as they flow through. The more elements inside the nozzle, the more thoroughly the two parts are blended. Choosing the correct number of elements is critical for consistent performance, bond strength, and product quality. The length of a static mixing nozzle can also significantly impact its performance, but whether longer is better depends on the adhesive you’re using and the specific application.
| Material | Suggested Number of Mixing Elements | Recommended Nozzle Length | Notes |
|---|---|---|---|
| Acrylic | 8–20 Elements | 60–120 mm | Short to medium lengths typically sufficient due to fast curing |
| Epoxy | 15–24 Elements | 120–180 mm | Requires more thorough mixing, especially for high-viscosity formulas |
| Polysulfide | 24–32 Elements | 180–220 mm | High-viscosity, requires longer nozzles for optimal homogeneity |
| PU Foam | 10–24 Elements | 80–150 mm | Varies based on density and reaction time; moderate length works well |
| Silicone | 20–30 Elements | 150–200 mm | Usually needs longer nozzles due to thick consistency |
| Urethane | 24–36 Elements | 180–230 mm | Highly reactive and viscous, requires extended mixing path |
🧪 Pro Tip: These ranges serve as general guidelines. Always test under real-world conditions before full-scale use.
If you’re unsure which mixing nozzle suits your specific adhesive or sealant, our team can help you select the best option based on material type, viscosity, and ratio.
Different Interfaces of Static Mixing Nozzles
Understanding the type of interface on a static mixing nozzle is critical for compatibility and performance. Below is a comparison of the most common interfaces used in 2-part adhesive dispensing.
| Interface Type | Description | Common Applications | Advantages | Best For |
|---|---|---|---|---|
| Bayonet Interface | Twist-lock mechanism with push and twist motion | 50ml dual cartridges, 1:1 & 2:1 ratios | Quick connection, easy installation/removal, widely compatible | DIY kits, small-scale industrial use |
| Bell Mouth (Threaded Nut) | Uses a retaining nut to secure the nozzle | 200ml to 600ml cartridges, 1:1, 2:1, 4:1, 10:1 ratios | Strong hold, ideal for high pressure/volume | Construction, industrial adhesive dispensing |
| Industrial Threaded (ACME Thread) | Coarse threads for screwing onto cartridges or valves | Large cartridges, automated systems | Very secure, supports high pressure, robotic use | Automotive, aerospace, heavy-duty use |
| Luer Lock Interface | Small threaded connection for precision tips | Syringe barrels, micro-dispensing systems | Precision control, adaptable to various tips | Electronics, dental, micro-assembly |
| Integral Nozzle + Cartridge | Nozzle is molded or attached directly to cartridge | Single-use cartridges, consumer adhesives | No setup, tamper-proof, hygienic | Disposable kits, field repairs, DIY products |
💡 Tip: Always check the cartridge size, pressure requirements, and application type before selecting the interface type. The right connection ensures safety, accuracy, and clean dispensing.
Static mixing nozzles are highly cost-effective because they have no moving parts, which means low maintenance and fewer repairs. Many are disposable, saving time and labor on cleaning. They provide precise mixing, reducing expensive material waste and failed batches. Their simple installation cuts setup and training costs, and they don’t consume extra energy like mechanical mixers. Plus, their versatility lets industries use one system for multiple materials, lowering equipment expenses. Here are some common application scenarios for static mixing nozzles:
| Industry | Applications |
|---|---|
| Automotive |
|
| Construction & Civil Engineering |
|
| Electronics Manufacturing |
|
| Aerospace & Defense |
|
| Industry | Applications |
|---|---|
| Renewable Energy |
|
| Marine Industry |
|
| Medical Devices |
|
| DIY & Home Improvement |
|
Btektech is a professional static mixing nozzle manufacturer, with leading technology, good quality, honest and trustworthy advantages. According to the customer requirements, the production of multiple media and production standard static mixing nozzles, disposable static mixing tubes can be carried out.
