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HALOX® CW-22/221

1 of 36 products in this brand
HALOX® CW-22/221 is a white, non-refractive, corrosion-inhibiting pigment used in protective coating systems. It is not recommended for use in immersion or semi-immersion environments. HALOX® CW-22/221 is recommended for use in primer systems based on traditional solvent alkyd technology. It can effectively be formulated into such resins as medium- and long-oil alkyds. HALOX® CW-22/221 is compliant with ASTM D7089, which specifies the requirements for calcium borosilicate pigments for use in paints.

Chemical Family: Borates, Boron-based Compounds, Calcium & Calcium Compounds

Functions: Corrosion Inhibitor, Pigment

Compatible Polymers & Resins: Alkyds, Alkyds (Long Oil), Alkyds (Medium Oil)

Synonyms: Calcium borate (CaB2O4), Calcium hypoborate (CaB2O4), Calcium metaborate (CaB2O4)

Technical Data Sheet

Knowde Enhanced TDS

Identification & Functionality

Chemical Name
CASE Ingredients Functions
CAS No.
13701-64-9
EC No.
237-224-5
Mechanism
Anodic passivation and saponification (insoluble salt formation with acid binders)

Features & Benefits

Advantages
HALOX® CW-22/221 is the highest solubility corrosion inhibitor used to optimize early corrosion protection via anodic passivation and can be combined with zinc phosphate-based inhibitors for long-term corrosion protection.
Features
  • Low cost, providing moderate solubility
  • Recommended for zinc-free coatings

Applications & Uses

Compatible Substrates & Surfaces
Use Level
9 - 15 %
Recommended Loading Levels

HALOX® CW-22/221 recommended loading levels range from 9-15% based on total formula weight with PVC levels in the range of 42-47%.

Applications
  • Medium Oil Alkyds
  • Long Oil Alkyds

Properties

Appearance
White Powder
Typical Properties
ValueUnitsTest Method / Conditions
Density2.7g/ml
Hegman Grind5
LOI (at 450°C)4.2%
Mean Particle Size5.8microns
Moisture Content0.4%
Oil Absorption33.1lbs/100 lbs
pH (10% Solution by Weight)10.1
Solubility in Water0.3%

Regulatory & Compliance

Storage & Handling

Shelf Life
36 Months