Hollow Glass Microspheres 

AppearanceHollow Glass Microspheres is a Free Flowing White Powder and showed to be hollow sealed sphere under microscope.

Specification

Appearance:      White fine powder

Particle shape:  Hollow sphere

Composition:     Soda lime borosilicate quality

True density:    0.20-0.60g/ccParticle size: about 2-120μm

Compressive strength:  about 3-60MPa

Thermal conductivity:  0.03-0.06w/m.k

ApplicationHollow Glass Microspheres' applications are in the fields of Thermal insulation coating, putty, plastic casting polyester, FRP ,SMC, synthetic foam, adhesives, printed circuit board substrate, RTM, bowling, fan blades, & caulking materials, emulsion explosives, golf, sealant, pipeline insulation materials, artificial marble, PVC foam, low density oil drilling, light cement, and other deep-sea buoy etc.

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