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