COMBO pěna pro trubičku i pistoli (750 ml)
Code: 1135
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Product detailed description
📊 Technical Specifications
Base: 1K Polyurethane
Canister Volume: 750 ml
Application Type: 2-in-1 – Pro Gun & Applicator Straw
Yield: Up to 42–45 liters (free-foamed)
Tack-free Time: 8–12 minutes
Cutting Time: approx. 40–50 minutes
Temperature Resistance: -40 °C to +90 °C
Product Code: COMBO-FOAM-750
💡 Why choose this exact solution?
Hey tilers. We all know Murphy's law on site: you need to seal an MEP pipe penetration behind a concealed cistern module or stabilize a bathtub base frame, grab your foam can, and realize your gun is clogged solid or sitting in another van. Single-use DIY straw cans spray uncontrollably and yield half the volume. This Den Braven COMBO foam fixes both issues simultaneously—in the workshop, you screw it onto a professional gun for surgical bead placement; on a remote site, you keep the canister with its straw in your box and get the job done right away from a single can.
🛠️ Professional installation TIP: Always mist the target cavity lightly with a water spray bottle before applying. Polyurethane reacts directly with moisture—water mist delivers faster curing, an ultra-fine microcellular structure, and prevents large internal hollows. Dispense from bottom to top, filling roughly half of the total joint depth.
🔍 Expert perspective (Tested at J&J Tile Design): When positioning bathtub sub-structures or sealing mechanical shafts before screeding and tiling, COMBO foam is our go-to insurance. When our gun is clean, we shoot fine beads; when reaching into an awkward corner behind ductwork, we click on the straw. Always keep PU cleaner and Wussow nitrile gloves close—wet uncured foam bonds tenaciously to skin and tile finishes.
✅ Key Advantages
- Maximum flexibility – instant choice between pro gun dispensing and straw application.
- High volumetric yield with outstanding dimensional stability and minimal shrinkage.
- Reliable adhesion to concrete, masonry, plasterboard, wood, and metals.
⚠️ What to watch out for
- Will not adhere to non-polar surfaces like PE, PP, PTFE, or silicone.
- Protect from UV light – exterior cured foam must be coated, covered, or sealed.
- When using the straw, expect higher secondary expansion than with a calibrated gun.
Practical FAQs
How does the 2-in-1 combo valve actually work?
The canister head features a dual-purpose adapter. The outer perimeter has a standard male thread matching professional PU foam applicator guns, while the center core accommodates the snap-on plastic straw included in the cap. You choose whichever application method suits the job.
Can a partially used canister be reused later?
When mounted on a foam gun with the rear regulating screw turned tight, the canister can stay stored on the gun for several weeks. If used with the straw, it is best to exhaust the canister on that job, or flush the valve and straw adapter immediately with acetone PU cleaner.
How soon after application can the cured foam be trimmed?
At standard ambient conditions (+20 °C and 60% relative humidity), the foam reaches cutting cure within roughly 40 to 50 minutes after extrusion.
Additional parameters
| Category: | Adhesives, Sealants, Chemicals |
|---|---|
| Warranty: | 2 years (Company 1 year) |
| Weight: | 0.8 kg |
| EAN: | 8595100179678 |
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