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氟硅酸钠
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氟硅酸钠

专门从事氟化系列产品研究、开发、生产和经营



氟硅酸钠(工业级) 

分子式Na2SiF6

分子量:188.06

CAS:16893-85-9

联合国编号2674

海关编码2826.9010.00

 

【氟硅酸钠的物化性质】  无色无味的白色结晶或粉末。常温常压下性质稳定,难溶于水和酸,有吸潮性。

 

【产品质量标准】:符合国标(GB23936-2009)一级品指标要求。

指标项目

标准值(%)

实测值

外观

白色粉末

白色粉末

氟硅酸钠 (Na2SiF6)

≥99

99.0

105干燥失重

≤0.30

0.30

游离酸 (as HCL)

≤0.10

0.047

氯化物(CL)

≤0.15

0.11

水不溶物

≤0.4

0.017

硫酸盐 (SO4)

≤0.25

0.23

铁(Fe

≤0.02

0.02

水(H2O

≤0.4

0.18

细度通过250μm筛余物

≥90

99.4

 

【产品用途】:用于玻璃、瓷釉的乳状剂和熔和剂,木材防腐,农业杀虫剂,耐酸水泥吸湿剂,天然乳剂凝结加速剂,镀锌、镍、铁添加剂,整形外科堵塞料,制药业,饮用水氟化处理,用于人造晶体和氟化钠的生产。

 

【包装】:聚乙烯编织袋内衬塑料袋、阀口袋、集装袋,每袋净重25公斤或1000公斤,或根据客户要求订做。

 

【贮运】:本品属无机有毒物品,宜存放在干燥、通风良好的储存室,不宜与硫酸或食品同运和贮存。



Sodium silicofluorideIndustry grade

 

Formula :Na2SiF6

Molecular weight :188.06

CAS No. :16893-85-9

UN No.: 2674

HS No.: 2826.9010.00

 [Properties]: Sodium fluorosilicate is odorless and tasteless crystalline or powder. Stable at normal temperature and pressure; It is hard to dissolve in water and acid.

 

[Quality standard]:qualified with the standard [GB23936-2009].

Item

Standard values(%)

Test result

Appearance

White powder

White powder

Sodium silicofluoride (Na2SiF6)

≥99

99.0

Loss of weight on drying at 105

≤0.30

0.30

Free acid (as HCL)

≤0.10

0.047

Chlorides(CL)

≤0.15

0.11

Water-insolubles

≤0.4

0.017

Sulfate (SO4)

≤0.25

0.23

Fe

≤0.02

0.02

H2O

≤0.4

0.18

Grain size passing through 250μm   sieve

≥90

99.4


[Application]Milky agent and fusing agent for glass and enamel; preserving agent for wood; agricultural insecticide ; hygroscopic agent for acid-resisting cement; coagulation accelerator in natural emulsion products. Additive in electroplating zinc , nickel and iron in three floors; stuffing agent in plastics; pharmacy, fluorating treatment for drinking water and for man-made crystals and Sodium Fluoride. 

[Packing]: polyethylene weaving inner lined with plastic bagflexible freight bagValve mouth bag. Net weight is 25kg or 1000kg.As per customer’s required.

 

[Storage and transportation ]: Inorganic toxic substance, and should be stored in dry and adequately ventilated warehouse, and may not be co-stored or co-transported with sulfuric acid and edible food.


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