1.Advantages
1).High strength 
2).Excellent electrical properties
3).Poor heat conductivity.
4).Good resistance to thermal shock. 
5).Low coefficient of thermal expansion.
6).Good mechanical stability. 

2.Applications
1).Heating element holders
2).Stand off Insulators
3).Interlocking Insulating Beads&Pins
4).Lamp bases and caps
5).Thermostat part

3.packing
25KGS BARRELS OR 2*12.5 BARREL IN PAPER CARTON