it is monatomic silicon, mainly for the production of organic silicon, high-purity semiconductor materials and special-purpose alloy.
-- technical parameters
|
chemical content % |
||||
|
brand no. |
si % |
impurity (%) |
||
|
fe |
al |
ca |
||
|
1101 |
>99.8 |
≤0.01 |
≤0.01 |
≤0.001 |
|
1501 |
>99.7 |
≤0.015 |
≤0.015 |
≤0.01 |
|
1515 |
>99.6 |
≤0.15 |
— |
≤0.015 |
|
2202 |
>99.5 |
≤0.2 |
≤0.2 |
≤0.02 |
|
2203 |
>99.5 |
≤0.2 |
≤0.2 |
≤0.03 |
|
2502 |
>99.5 |
≤0.25 |
— |
≤0.02 |
|
3103 |
>99.4 |
≤0.3 |
≤0.1 |
≤0.03 |
|
3303 |
>99.3 |
≤0.3 |
≤0.3 |
≤0.03 |
|
411 |
>99.2 |
≤0.4 |
0.04—0.08 |
≤0.1 |
|
421 |
>99.2 |
≤0.4 |
0.1—0.15 |
≤0.1 |
|
441 |
>99.0 |
≤0.4 |
≤0.4 |
≤0.1 |
|
553 |
>98.5 |
≤0.5 |
≤0.5 |
≤0.3 |
|
note: different brand subject to the content of fe,al,ca. |
||||
-- production process control
ø the physical and chemical index of raw material, is inspected by quality inspection department.
ø the process parameters will be strictly in accordance with production regulation, quality inspection department for supervising, to assure the quality.
-- quality system control
ø every year the management and quality inspection department organize internal examine to supervise and check system running status.
ø second party inspection is carried out by end user.
ø third party inspection is carried out by certification authority.
ø packing and logistic is farmed out to other company, and strictly execute as per contract items.
ø we have specific after-sale person to check our product performance, and feedback the problems to company for improving.
--packing:
in 1000kg plastic woven bags with pe shrink film, or according to customer’s requirements.