composite stone
composite stone for molding,smt,reflow,circuit board features: durable,anti corrosion,anti static,light weight,flame retardant
composite stone for molding,smt,reflow,circuit board
features:durable,anti corrosion,anti static,light weight,flame retardant
Usage:
(1) Reflow and Surface mounting
(2) Support board for flexible printed circuit
Features:
(1)Low electric conductivity
(2)Good electronic performance
(3) Flame retardant grade could reach 94-V0
(4)Antistatic
(5)Light weight
Data:
| Name | composite stone | ||
| Model NO | -- | ||
| Base Material | glass mat + epoxy resin | ||
| Density | 1.9-2 | ||
| Item | Testing method | Unit | Result |
| Fire Retardancy Grade | A | -- | 94-V0 |
| Surface resitance | C-96/20/65 | Ω | 5*10^6-10^10 |
| Surface resitance | C-96/20/65 +C-96/40/90 | Ω | 5*10^9-10^10 |
| Insulation resistance | C-96/20/65 | Ω-cm | 5*10^6-10^10 |
| Insulation resistance | C-96/20/65 +D-2/100 | Ω-cm | 5*10^9-10^10 |
| Permittivity(1MHZ) | C-96/20/65 | -- | 4.0-5.0 |
| Permittivity(1MHZ) | C-96/20/65 +D-48/50 | -- | 4.5-5.5 |
| Coefficient of linear expansion | A | 10-6/K | 13 |
| Bending strength(Horizontal) | A | kg/mm2 | 35 |
| Thermal conductivity | A | W/M °C | 0.25 |
| Speeifie heat | A | j/kg k | 930 |
| Thermal Resistance | A | °C | 260(OK) |
| Anti-impact intensity(Parrallellable) | A | kg-cm/cm2 | -- |
| Clevability | A | kg | -- |
| Adhesive strength | A | kg | -- |
| Compressive strength(Horizontal) | A | kg/mm2 | -- |
| Compressive strength(Vertical) | A | kg/mm2 | -- |
| Water absorption rate | E-24/50 +D-24/23 | % | 0.05-0.07 |
Standard size:1160*1260mm
Standard thickness range: 0.5~50mm
Size,color,thickness also can be customized
composite stone
