Protaweld® S200 is the binder grade alginates used on basic welding rods to enable an homogeneous extrusion process while acting as a plasticizer.
Protaweld® S200 is a Na-alginate made to be used as a cost effective, natural, renewable binder for welding rods to allow stabilization of complex homogeneous and heterogeneous structures.
Loss on dying: Maximum 15%
pH: 7.0 to 8.0
Viscosity: 300 to 500mPa-s
Particle size 200 mesh BS: minimum 95%
Particle size 100 mesh: minimum 100%
Sulphated ash,%: 25.0 to 30.0
Sodium (Na) (AA) as Na20,%: 9.5 to 13.0
Potassium (K) (AA) as K20,%: maximum 1.00
Primary Chemistry:
Potassium alginate
Basic Welding rods
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