Item (项目) |
Unit (单位) |
Index (指标) |
||
Appearance (外观) |
— |
white or slightly yellow granule/powder (白色或微黄色颗粒/粉末) |
||
|
K |
% |
45.0~47.4 |
|
N |
% |
47.5~49.5 |
||
T |
% |
≥49.6 |
||
Solubility(溶解度) |
% |
≥99.0 |
||
Ash content(灰分含量) |
% |
≤0.30 |
||
Moisture content(水分含量 ) |
% |
≤3.0 |
||
Sieve residue(筛余物) |
% |
≤1.0 |
||
Type(型号) |
||||
Viscosity 粘度 (1:4ethanol/toluene,v/v,20℃) (1:4乙醇/甲苯,v/v,20℃) Or(或) (1:4ethanol/toluene,m/m,25℃) (1:4乙醇/甲苯,m/m,25℃) |
Scope (范围) |
mpa.s |
Standard(规格) |
Scope (范围) |
Very low viscosity (特低粘) |
≤15 |
7 |
6~9 |
|
10 |
8~12 |
|||
15 |
12~18 |
|||
Low viscosity (低粘) |
15~50 |
20 |
18~22 |
|
35 |
30~39 |
|||
50 |
45~55 |
|||
Middle viscosity (中粘) |
50~200 |
55 |
51~61 |
|
70 |
62~77 |
|||
100 |
90~110 |
|||
110 |
100~120 |
|||
150 |
135~165 |
|||
High viscosity (高粘) |
≥200 |
200 |
180~220 |
|
250 |
220~270 |
|||
300 |
270~330 |