Trelleborg AEM Eccospheres® SI-160 Sodium Borosilicate Glass Microspheres

Category	Ceramic , Glass , Other Engineering Material , Additive/Filler for Polymer
Manufacturer	Trelleborg AEM
Trade Name	Eccospheres®
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Trelleborg AEM Eccospheres® SI-160 Sodium Borosilicate Glass Microspheres.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

Eccospheres® glass microspheres are hollow thin-walled glass microspheres composed of sodium borosilicate glass. To the naked eye they resemble a fine, white, free-flowing powder. However, magnification reveals them to be near perfect spheres.PropertiesHigh temperature resistanceGood density/strength ratiosClean surface chemistryNarrow particle size distributionLow thermal conductivityLow dielectric constantLow dissipation factorSurface salts formed during manufacture are removed via acid washing. This reduces the alkali content and results in a clean surface chemistry compatible with almost any resin system or surface coating.All information provided by Trelleborg Emerson & Cuming

Physical Properties	Metric	English	Comments
Pellet Density	0.140 - 0.180 g/cc	0.00506 - 0.00650 lb/in³	ASTM D2840
Particle Size	62 µm	62 µm	TEC QSD
pH	6.5 - 9.0	6.5 - 9.0	ASTM D4876

Mechanical Properties	Metric	English	Comments
Modulus of Elasticity	62.0 GPa @Temperature 25.0 °C	8990 ksi @Temperature 77.0 °F
	62.0 GPa @Temperature 25.0 °C	8990 ksi @Temperature 77.0 °F

Thermal Properties	Metric	English	Comments
Thermal Conductivity	0.0730 - 0.125 W/m-K	0.507 - 0.868 BTU-in/hr-ft²-°F
Softening Point	800 °C	1470 °F	ASTM E794

Optical Properties	Metric	English	Comments
Refractive Index	1.448 @Wavelength 1500 nm	1.448 @Wavelength 1500 nm
	1.458 @Wavelength 589.3 nm	1.458 @Wavelength 589.3 nm

Electrical Properties	Metric	English	Comments
Dielectric Constant	1.36 - 1.63 @Frequency 1e+8 Hz	1.36 - 1.63 @Frequency 1e+8 Hz	ASTM D150
Dissipation Factor	0.00050 @Frequency 1.00e+6 - 8.60e+9 Hz	0.00050 @Frequency 1.00e+6 - 8.60e+9 Hz	ASTM D150

Processing Properties	Metric	English	Comments
Moisture Content	<= 1.0 %	<= 1.0 %	TED QSD

Descriptive Properties	Value	Comments
Floatation (% bulk volume)	99	TEC QSD
Isostatic Collapse Pressure, Min. 80% Survival (psi)	400	ASTM D3102
Packing Factor (min)	62

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