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Chemical nature
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Urea Methanal Condensate
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Applicatoins
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○ PAINT & INK
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As soft feeling matting agent and filler
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○ COaTing
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As oil or water absorber on plastic films, and slipping improvement agent
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○ papers & board
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In coating for lowering paper weights
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○ FILLER
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For paints, ink, adhesives, pressure sensitive paper, plastics, rubber, etc.
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Highlight of Properties
- Narrow distributed sub-micron-sized spherical particles with cluster structure;
- Insoluble and non-melting;
- Easy to disperse and no pricipitation
- Inert and inactive; Minimum effect on rheological properties
- Strong resistance to heat, solvent, acid and alkaline;
- High mechanical strength
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technical specifications
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Appearance
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White solid particles, with cluster characteristics
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pH-value
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Neutral (5% dispersion in water)
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Moisture
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< 15% (2 gram under 140℃ for 0.5 hours)
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Specific Gravity
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~1.45 (20℃)
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Bulk Density
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~0.1 – 0.2 g/ml
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Solvent Resistance
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Not soluble in most organic solvent systems.
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Reflective index
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~ 1.57 (20℃)
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Primary Particle Size
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0.1 – 0.3 μm
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Secondary Particle Size (average)
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< 10μm
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Heat stability
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Max. 215℃
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Storage
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Under conditions that are cool, dry, covered, away from direct sunlight and free of airborne contaminates, JJ powders have an indefinite shelf life. But it is recommended to use it up within 6 months upon receiving.
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