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Wollastonite

Wollastonite is a chain of metasilicates, generally fibrous and dense. Chemical molecular formula is CaSiO₃, structural formula is Ca₃[Si₃O₉], theoretical chemical compositions: CaO 48.25%, SiO₂ 51.75%, Mohs hardness 4.5 ~ 5.5, density 2.75 ~ 3.10g/cm³.

Characteristics

Acicular structure –a kind of excellent natural fiber

Super white, non-toxic, smelless, harmless, free of asbestos

High temperature stability and insulation

Low water absorption and oil absorption

Corrosion resistance, weatherproof and rub resistance

HC - Building material grade

H-Polymer grade

Y-Functional filler grade

S - Functional filler grade

M - Electrode metallurgy grade

HP –Paper-making grade

Physical Properties

Grade	Loose density（g/cm³）	厂别诲颈尘别苍迟补迟颈辞苍（200尘濒/30驳&尘颈诲诲辞迟;60尘颈苍）	L/D
HK-50F	≤0.60	≥50	&驳别;6－12:1
HK-60F	≤0.56	≥60	&驳别;6－12:1
HK-90	≤0.50	≥75	&驳别;15－20:1

Grade	D50(μm)	Whiteness	Loose density（g/cm³）	厂别诲颈尘别苍迟补迟颈辞苍（200尘濒/30驳&尘颈诲诲辞迟;60尘颈苍）	L/D
HK-800F	15±3	≥88	0.33-0.53	≥70	&驳别;15－20:1
HK-1250F	10±2	≥88	0.32-0.43	≥80	&驳别;15－20:1
HK-2000F	7±1	≥90	0.29-0.37	≥85	&驳别;15－20:1
HK-2500F	5±1	≥90	0.24-0.34	≥100	&驳别;15－20:1
HK-5000F	3±1	≥90	0.21-0.33	≥110	&驳别;15－20:1
HHL-600	14±2	≥88	0.45-0.60	≥60	&驳别;8－15:1
HML-1250	10±2	≥88	0.45-0.60	≥60	&驳别;8－15:1
HH-600	21±3	≥88	0.45-0.60	≥60	&驳别;8－15:1

Grade	D50(μm)	Whiteness
Y-100	27±2	≥86
Y-200	20±2	≥88
Y-325	15±3	≥88
Y-400	13±2	≥89
Y-600	10±2	≥90
Y-800	8±2	≥90
Y-1250	5±1	≥92
Y-1800	3±1	≥92
Y-2500	2±1	≥92

Grade	D50(μm)	Whiteness	Loose density（g/cm³）	L/D
SD-8	9±2	≥90	~	~
SD-400	13±3	≥89	0.50-0.70	4-6:1
SZP-8	9±2	≥90	0.35-0.50	6-8:1

Grade	D50(μm)	Whiteness	Granularity
M-200	15±3	≥88	~
M-325	15±3	≥88	~
M-C	~	~	5-30mm≥90％（For refining）
M-D	~	~	2-8mm≥90％（For injection）

Grade	D50(μm)	Whiteness	Loose density（g/cm³）	Tapped Density（g/cm³）
贬笔－1250飞	12±3	≥88	0.45	≤0.90

Chemical Specifications (%)

Grade	SiO₂	CaO	Fe₂O₃	Al₂O₃	MgO	L.O.I.
HK-50F	40MIN	40MIN	1.2MAX	2.0MAX	2.0MAX	12MAX
HK-60F	43MIN	42MIN	1.0MAX	2.0MAX	1.5MAX	8MAX
HK-90	48MIN	45MIN	0.50MAX	1.0MAX	1.0MAX	4.0MAX

SiO₂	CaO	Fe₂O₃	L.O.I.
49MIN	43MIN	0.35MAX	3.0MAX

Field	Grade	SiO₂	CaO	Fe₂O₃	L.O.I.
Ceramics	A	49MIN	44MIN	0.50MAX	2.5MAX
Ceramics	B	45MIN	38MIN	0.80MAX	6.8MAX
Glaze	A	49MIN	44MIN	0.35MAX	2.0MAX
Glaze	B	49MIN	42MIN	0.40MAX	3.0MAX
Functional filler		49MIN	43MIN	0.50MAX	2.5MAX

Field	Grade	SiO₂	CaO	Fe₂O₃	L.O.I.
Ceramics	A	49MIN	44MIN	0.50MAX	2.5MAX
Ceramics	B	45MIN	38MIN	0.80MAX	6.8MAX
Glaze	A	49MIN	44MIN	0.35MAX	2.0MAX
Glaze	B	49MIN	42MIN	0.40MAX	3.0MAX
Functional filler		49MIN	43MIN	0.50MAX	2.5MAX

ApplicationComposition	Welding rod	Metallurgy
ApplicationComposition	Welding rod	A	B	C
SiO₂	49MIN	49MIN	46-56	47-53
CaO	42MIN	43MIN	40-48	40-48
TFe₂O₃	0.60MAX	1.0MAX	1.0MAX	1.0MAX
S	0.02MAX	~	~	~
P	0.03MAX	~	~	~
Al₂O₃	~	~	1.0MAX	1.0MAX
MgO	~	~	1.8MAX	1.5MAX
L.O.I.	4.0MAX	2.0MAX	~	~

SiO₂	CaO	TFe₂O₃	L.O.I.
47MIN	42MIN	0.50MAX	6.0MAX

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Import and Export Department I (English)：86-411-87614281 dljoycezhang@hotmail.com

Import and Export Department II (Japanese)：86-411-87614277 zhangxin328@hotmail.com

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Mineral Fibers
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麻豆免费传媒

Dalian Huanqiu Minerals Co., Ltd.

Products

Wollastonite

Wollastonite is a chain of metasilicates, generally fibrous and dense. Chemical molecular formula is CaSiO₃, structural formula is Ca₃[Si₃O₉], theoretical chemical compositions: CaO 48.25%, SiO₂ 51.75%, Mohs hardness 4.5 ~ 5.5, density 2.75 ~ 3.10g/cm³.

Characteristics

Physical Properties

Chemical Specifications (%)

Import and Export Department I (English)：86-411-87614281 dljoycezhang@hotmail.com

Import and Export Department II (Japanese)：86-411-87614277 zhangxin328@hotmail.com

麻豆免费传媒

Dalian Huanqiu Minerals Co., Ltd.

Products

Wollastonite

Wollastonite is a chain of metasilicates, generally fibrous and dense. Chemical molecular formula is CaSiO3, structural formula is Ca3[Si3O9], theoretical chemical compositions: CaO 48.25%, SiO2 51.75%, Mohs hardness 4.5 ~ 5.5, density 2.75 ~ 3.10g/cm3.

Characteristics

Physical Properties

Chemical Specifications (%)

Import and Export Department I (English)：86-411-87614281 dljoycezhang@hotmail.com

Import and Export Department II (Japanese)：86-411-87614277 zhangxin328@hotmail.com

Wollastonite is a chain of metasilicates, generally fibrous and dense. Chemical molecular formula is CaSiO₃, structural formula is Ca₃[Si₃O₉], theoretical chemical compositions: CaO 48.25%, SiO₂ 51.75%, Mohs hardness 4.5 ~ 5.5, density 2.75 ~ 3.10g/cm³.