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Nyco NYAD® G Special Wollastonite

Category	Ceramic , Oxide , Silicon Oxide , Other Engineering Material , Additive/Filler for Polymer
Manufacturer	Nyco
Trade Name	NYAD®
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Nyco NYAD® G Special Wollastonite.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

Wollastonite (calcium metasilicate, or CaSiO3) is a naturally occurring white, non-metallic mineral with an acicular or needle-shaped crystal structure. This distinctive property makes wollastonite an ideal performance mineral for a broad range of industrial and consumer applications.Information provided by NYCO Minerals.

Physical Properties	Metric	English	Comments
Specific Gravity	2.90 g/cc	2.90 g/cc
Bulk Density	0.368 g/cc	0.0133 lb/in³	loose
	0.721 g/cc	0.0260 lb/in³	Tapped
Brightness	85 %	85 %	G.E. Brightness
Oil Absorption	47 %	47 %
Solubility of Water	0.0095 %	0.0095 %
Particle Size	45 µm	45 µm	D50
pH	9.9	9.9	10% Slurry
Molecular Weight	116 g/mol	116 g/mol

Mechanical Properties	Metric	English	Comments
Hardness, Mohs	4.5	4.5

Thermal Properties	Metric	English	Comments
CTE, linear	6.50 µm/m-°C @Temperature 20.0 °C	3.61 µin/in-°F @Temperature 68.0 °F
Melting Point	1410 °C	2570 °F	ASTM D1857
	1540 °C	2800 °F	theoretical

Optical Properties	Metric	English	Comments
Refractive Index	1.63	1.63

Component Elements Properties	Metric	English
Al2O3	0.34 %	0.34 %
CaO	46.21 %	46.21 %
Fe2O3	0.77 %	0.77 %
K2O	0.050 %	0.050 %
Loss on Ignition(%)	0.050 %	0.050 %
MgO	0.38 %	0.38 %
MnO	0.16 %	0.16 %
SiO2	51.6 %	51.6 %
TiO2	0.050 %	0.050 %

Descriptive Properties	Value	Comments
Appearance	White
Aspect Ratio (L/D)	20:1
Morphology	Acicular

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