SJR-0040

2022-06-21

Specification

High purity,Resistance to yellowing,Low magnetic foreign body,Electrical stability.

Application

Silicone rubber,sealant,Pouring sealant,Epoxy molding compound,Burn note material,Coating material,wood lacquer,water-based paint, Fine polishing,Precision casting.

Physical Characteristics

Item		Unit	SJR-0040	Test Method
Average Particle Size	D50	μm	5.0～6.0	Laser particle size analyzer
Coarse Particle Ratio	＋75 μm	%	≤0.1	/
Specific Surface Area		m2/g	1.0~2.5	Specific surface area analyzer
Electrical Conductivity		μS/cm	≤50.0	Electrical Conductivity Meter
PH		/	6.5±1.0	PH Meter
Moisture		%	≤0.3	Mass loss
Whitenesse		%	≥82	Whiteness Meter

Chemical Characteristics

Item	Chemical compositions（%）			Test Method
Item	SiO₂	Al₂O₃	Fe₂O₃	Test Method
Specification	≥99.5	≤0.20	≤0.03	Difference Method、complexometric titration、Colorimetric Method

SEM Image

Typical test data are listed in the above Tables unless otherwise specified.

Electronic communication functional filling materi

SJR-0040