Additive

SIPERNAT® 820 A

SIPERNAT® 820 A is a precipitated synthetic silicate with exceptionally bright clean color. SIPERNAT® 820 A has highly structured particles that provide film reinforcement, TiO2 spacing, sheen uniformity, and excellent dry opacity.

Bottle representation of SIPERNAT® 820 A
PNG

Save TiO2 with SIPERNAT® 820 A

SIPERNAT® 820 A distributes TiO2 particles more efficiently which allows the formulator to save TiO2. This will further reduce the density while not negatively affecting the coating properties.

Adjust the values to find out how much you may gain with SIPERNAT® 820 A:

g/ml
%
2
30
%
$/kg
$/kg

Costs are subject to change and depicted solely for calculation purposes - Please contact your Evonik Account Manager

Results
Density reduction:
10 %
TiO2 reduction:
15 %
TiO2 cost reduction:
12 %
TiO2 cost saving:
0.35 $/kg
Density:1.356 g/ml
CO2 reduction:
57 g CO2/kg
TiO2:8.5 %
SIPERNAT® 820 A:0.7 %
Additional water:0.8 %

Product information

Type

Additive

Sub type

Specialty filler

Sustainability

Production efficiency

VOC reduction

Next generation solution

Life Cycle Assessment available

Produced with renewable energy

Markets

Technologies

High solids (solventborne)
Powder
Radiation curing systems
Solventborne
Solventfree
Waterborne

Manufacturer

SIPERNAT Logo

Availability

Key benefits

  • very good dry opacity
  • very good gloss reduction
  • improved washability and scrub resistance

Technical data

delivery form
free-flowing powder
DOA absorption
155 ml/100g
loss on drying
7 %
particle size, d50
7 µm
pH value, 20% in water
10
sodium sulfate content
0.5 %
specific gravity
2.1
specific surface area (BET)
85 m²/g

Properties

Dry Opacity
4/5
Washability and scrub resistance
3/5
Gloss reduction
4/5

Recommended addition level

As supplied calculated on total formulation: 0.5 - 5 %.

Processing instructions

It is recommended that this product be added, as supplied, to the grind.

Addition into grind preferably before adding TiO<sub>2</sub>.

Handling & storage

When stored in an original unopened packaging, the product has a shelf life of 24 months from the date of manufacture. We recommend to store the product in closed containers under dry conditions and to protect the material from volatile substances.