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Protaweld® TX120RB
Protaweld® TX120RB is a calcium alginate polymer used as an extrusion aid and binder to produce high-quality coated electrodes on welding rods. It is typically used to produce thicker or larger welding rods than other Protaweld® grades.
Fulfilled By ChemPoint
- Manufacturer: IFF
- Product Line: Protaweld® and Scogin® Alginates
- Product: Protaweld® Alginates
- Industries: Adhesives | Agriculture | Coatings
- Authorized Countries: Austria | Canada | France | Germany | Italy | Mexico | Spain | Switzerland | United Kingdom | United States
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Overview
Protaweld® TX120RB is a highly thixotropic alginate polymer added to welding rod coatings to improve extrusion efficiency. The thixotropic nature of welding rod coatings containing Protaweld® TX120RB increases the production capacity of welding electrodes without increasing extrusion pressure.
In addition, Protaweld® TX120RB allows for thicker and more homogeneous electrode coatings to be applied to metal welding rod cores due to the high green bond strength it imparts. The Protaweld® TX120RB alginate also binds extremely well to water and retains moisture in coverage paste, allowing for better body and easy viscosity adjustment prior to coating. This also helps to improve the plasticity of the coating and reduces the chances of cracking during welding.
Specifications
Loss on drying (% max): 15
Viscosity (mPa·s): 40–600
Particle size (200 mesh, %): 65–93
Particle size (120 mesh, % min): 90
Sulfated ash (%): 24.5–33.0
Calcium (%): 5.7–8.2
CaO (%): 8.0–12.0
Sodium (% max): 1.5
Na₂O (% max): 2
Primary Chemistry: Calcium alginate
Features & Benefits
Thixotropic rheology modification
Reduces extrusion pressure of welding rod coatings
Allows for thicker welding rod coatings to be formed
Increases green bond strength of welding rod coating
Good adhesion to metal welding rod cores
Creates homogeneous, smooth electrode coatings that yield better welding performance
Problems Solved
High extrusion pressure of thick welding rod coatings
Poor welding quality due to uneven electrode coatings
Cracking during welding
Applications
Production of large or thick welding rods
Related Applications
Coatings
Related Chemistries
Agriculture
Related Functions
Adhesives
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