Property	Value
Physical Form	Free flowing powder
Individual Particle Shape	Hollow spheres
Colour	White
Particle Size	20 – 500 microns
Relative Density	0.65 – 0.85 g/cc
Bulk Density	0.3 – 0.4 g/cc
Compressive Strength	4,800 psi (33 MPa)
Oil Absorption	~ 7g/100g
pH of Water Dispersion	7 ± 1
Thermal Conductivity	0.1 W/m/°C
Coefficient of Thermal Expansion	d= 8 x 10-6
Melting Point	1600 °C – 1800 °C
Hardness	6 Mohs scale
Refractive Index	1.53
Electrical Resistance	1015 ohm cm
Moisture Content	0.1% (maximum)
Floaters by Volume	94% (minimum)

For general representation only, not for specification purposes.

Please contact Envirospheres or its authorised distributors for more information, technical service and starting point formulas.

Group	Product	Grade	Approximate Particle Mean [Microns]	Particle Size Range [Microns]	Particle Distribution [%]
Coarse	E-SPHERES® SL	SL500	300	Above 500 180 – 500 Below 180	0 – 20 70 – 100 1-10
		SL350	300	Above 500 150 – 500 Below 150	0 -5 75 – 100 0 – 20
		SL300	150	Above 300 150 – 300 Below 150	0 -1 54 – 100 0 -45
Medium	E-SPHERES® SL	SLG	130	Above 300 106 – 300 Below 106	0 -1 64 – 100 0 -35
		SL150	100	Above 150 75 – 150 Below 75	0 – 2 78 – 100 0 -20
Fine	E-SPHERES® SL	SL125	80	Above 125 38 – 125 Below 38	0 – 2 88 – 100 0 -10
		SL75	45	Above 75 Below 75	0 -2 98 – 100

E-SPHERES^® SL White Hollow Ceramic Microspheres are offered in a range of particle distributions:

These figures are for general representation only, not for specification purposes