Beijing Holland Trading Co., LTD
Beijing Holland Trading Co., LTD Professional machine manufacturer from CHINA
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Spec. see as below :
|
Item |
Spec. |
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|
Refined Naphthalene |
Industry Naphthalene |
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|
High-class |
First grade |
Second grade |
High class |
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|
Crystallization point /℃ |
>=79.8 |
>=79.6 |
>=79.3 |
>=78.3 |
|
|
Nonvolatile matter /％ |
None |
<=0.01 |
<=0.02 |
<=0.04 |
|
|
Ash/％ |
－ |
<=0.006 |
<=0.008 |
<=0.01 |
|
|
Pickling colorimetric As per standard color solution |
< No.2 |
<4 |
－ |
－ |
|
|
Remark: nonvolatile matter of liquor naphthalene should be discussed by both sides. |
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