Silica powder for medium&high voltage transformer and insulation

Particle size (typical value) and characteristics

WENYOU® WY -400

				WY - 1 2 E S T	WY-12X	WY-400
D95	Upper grain size	95%	in µm	50	100	75
D50	Average grain size	50%	in µm	16	32	24
	Grid size		in µm	residue-％
	Alpai air flow sifter
	250				0.1	0.1
	200				0.5	0.7
	160				3	4
	125			0.1	10	12
	100			0.5
	63			2
	40			12

Particle size related properties (typical value)

WENYOU® WY -400

Bulk density		g/cm3	2.0-2.2
Specific surface area		m2/g g/100 g	0.8-1.0
Oil absorption			16-20
Tristimulus value	X		74-78
	Y		76-80
	Z		83-87

Physics (typical value)

WENYOU® WY -400

density	g/cm3	2.60-2.70
PH	WY-12X	9
	WY-12EST,	7
	WY-400	8
hardness		6.5-7.5
Coefficient of linear thermal expansion	20-300°C	14*10-6*K-1

Chemical composition

WY -400

weight-%

It is processed from natural minerals. All data are approximate, and the tolerance depends on production and output. This is only a descriptive feature and does not represent any guarantee of specific characteristics. There may be coarse particles. Users are also requested to jointly test their relevant stability, if necessary. We can provide more experience in tolerance and technology. The sales volume depends on the sales and delivery conditions.

Shanghai Wenyou Industry Co., Ltd.mainly engaged in the advanced materialsof MV and HV insulation products for indoorand outdoor use, both suitable for APG andvacuum casting.

Our wide range of products includes epoxy resin, flame retardant resin, curing agents, outdoor modifiers, toughening agents, epoxy paste, demoulding agents, and fillers.

We have obtained ISO9001, ISO14001, SGS, and UL certifications, and our products comply with ROHS and REACH safety regulations.

Our high-quality products are used in high voltage electrical insulation applications and are exported globally. We are committed to providing stable products and excellent service to the global electricity industry.

High Quality Electrical Raw Materials
Epoxy resin

Release agent

Silica powder
Hardener
Color paste
Flexibilizer