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"Henan Xunyu Chemical Co., Ltd. is a high-tech enterprise dedicates to fumed silica researching, manufacturing, and marketing. We brought in advanced manufacturing techniques, and we have a complete production system, first-class lab equipment, and rounded products. With all staff’s consistent effort, now Xunyu has already been the famous supplier in China, and offer fumed silica to Europe, America, India, Mideast and other countries/regions, and wins a reputation in the international market.

The main product is hydrophilic fumed silica, and the annual capacity is 11,000 Mt. The main model of hydrophilic fumed silica are XYSIL150, XYSIL200, XYSIL300, and XYSIL380, and hydrophobic fumed silica are XYSIL R120H, XYSIL R170H, and XYSIL R230. These products are high quality with very competitive price, which can be the replacement of some famous products. XYSIL fumed silica is widely used in the chemical industry like Silicon Rubber, Coating and Resins, etc. Furthermore, Xunyu Chemical has a team of technique staff work on the research and development of new products and the applications of products, providing complete support in different application fields.

The vapor phase method we used is advanced and the producing technology is mature; the whole production system is advanced with digital data monitoring through the production line. This perfect quality control system ensures the stability of products quality.

All staff in Xunyu Chemical hold the principle of “Must practice what we promise; Only practice what is good”, consistently providing high-quality products and complete service to need different needs of clients all over the world."

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XYSIL® hydrophilic fumed silica produced by Henan Xunyu Chemical is synthetic, amorphous fumed silica powder with BET surface area from 150 to 380 m2/g. It is a nanomaterial with strong hygroscopicity(absorbing moisture). It is can be wetted by water, and dispersed in water forming a suspension. XYSIL® fumed silica is produced by flame without superficial treatment.

XYSIL

XYAL

XYSIL® R120H is a fumed silica after treated with PDMS(Polydimethylsiloxane). It is based on a hydrophilic fumed silica with a specific surface area of 150m2/g.

XYSIL® R120H

XYSIL® R170B is a fumed silica after treated with HMDS(hexamethyldisilazane). It is based on a hydrophilic fumed silica with a specific surface area of 200m2/g.

XYSIL® R170B

XYSIL® R230 is a Fumed Silica aftertreated with HMDS(hexamethyldisilazane) based on a hydrophilic fumed silica with a specific surface area of 300m2/g.

XYSIL® R230

Xysil® 150 is a hydrophilic fumed silica with a specific surface area of 150m2/g, and it is synthetic, hydrophilic, amorphous silica, produced via flame hydrolysis.

XYSIL® 150

Xyal® 100 is very fine, high-purity aluminum oxide(Al2O3) with a high specific surface area, maked aggregate and agglomerate structure. Due to the electropositive chargeability and unique particle characteristics, XYAL100 leads to specific properties in various applications.

XYAL® 100

XYSIL® R170H is a fumed silica after treated with DDS(Dimethyldichlorosilane). It is based on a hydrophilic fumed silica with a specific surface area of 200m2/g.

XYSIL® R170H

XYSIL® R120B is a fumed silica after treated with DDS(Dimethyldichlorosilane). It is based on a hydrophilic fumed silica with a specific surface area of 150m2/g.

XYSIL® R120B

Xysil® 380 is a hydrophilic fumed silica with a specific surface area of 380m2 /g, and it is synthetic, hydrophilic, amorphous silica, produced via flame hydrolysis.

XYSIL® 380

XYSIL® 300 is a hydrophilic Fumed Silica with a specific surface area of 300m2/g, and it is synthetic, hydrophilic, amorphous silica, produced via flame hydrolysis.

XYSIL® 300

Henan Xunyu

"Henan Xunyu Chemical Co., Ltd. is a high-tech enterprise dedicates to fumed silica researching, manufacturing, and marketing. We brought in advanced manufacturing techniques, and we have a complete p

Henan Xunyu - Hydrophilic Fumed Silica - Chemical Industry

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XYSIL® R170B Technical Data Sheet

XYSIL® R170B Technical Data Sheet - Henan Xunyu

Hydrophobic Fumed Silica Safety Data Sheet

Hydrophobic Fumed Silica Safety Data Sheet - Henan Xunyu

XYSIL R170B - Henan Xunyu - Thickener - Silica - Knowde

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	Value	Units	Test Method / Conditions
Specific Surface Area (BET)	170 ± 20	GB/T10722	m2/g
pH Value (in 4% dispersion)	5.0 ~ 8.0	GB/T10722	-
Loss on Drying, Ex Works (2h at 105°C)	max. 0.9	GB/T1717	wt%
Loss on Ignition (2h at 1000,based on material dried for 2h at 105°C)	max. 4.0	GB/T5211.3	wt%
Tamped Density (based on material dried for 2h at 105°C)	40 ~ 60	GB/T5211.14	g/L
SiO2 Content (based on the substance heated at 100°C for 2h)	min. 99.8	wt%	GB/T20020
Carbon Content (based on material dried for 2h at 105°C)	2.0 ~ 4.0	GB/T5211.4	wt%
Surface Modification	Hexamethyldisilazane	-	-

XYSIL® R170B

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