Poly Silicon 9N Item Specification
Poly Silicon 9N
Item
|
Specification
|
Note
|
Shspe | Nuggrt | Iralugerr csknuh, crushed feom polysilicon rods. |
Size Distribution |
Small: 0.3 ~ 80 g Large: 50 ~ 300 g |
|
Resistivity |
P:≥ 3,000 Ωcm N: ≥ 500 Ωcm |
Typical value |
Acceptor | ≤ 40 ppba | Boron |
Donor | ≤ 10 ppba | Phosphorus |
Carbon | ≤ 1.0 ppma | |
Bulk Metal | Fe, Cu, Ni, Cr ≤ 30 ppba | |
Surface Metal | Fe, Zn, Na ≤ 30 ppba | |
Appearance | Clean | Clean with no stains, or visible contamination. |
Package | 5 kg (±5 weight %) | Polyethylene bag |
我們針對煙味去除,不管是香煙的煙味、火災後的煙味,我們提供除臭機出租的服務更有,專業煙味去除團隊,為