|
Items
|
Requirements
|
|
Appearance
|
Color black brown powder
|
|
Drybasis humic acid，%
|
≥45.0
|
|
Full chromium of drybasis，%
|
≥1.70
|
|
Moisture content，%
|
≤15.0
|
|
Items
|
Requirements
|
||
|
Determinate under24℃±3℃
|
After processed 200℃，16H maintan,Determinate under(24±3℃）
|
||
|
Basic
mud
|
Viscosity of ￠100，MPa.s
|
45～46
|
85～140
|
|
AV，MPa.s
|
14～20
|
22～40
|
|
|
Yield value,pa
|
7～12
|
12～15
|
|
|
Lmin gel strength
|
7～12
|
9～13
|
|
|
Basic
Mud
+
SMC
|
Filtration loss，ml
|
15～18
|
15～19
|
|
Viscosity of ￠100 ，MPa.s
|
≤10
|
≤15
|
|
|
AV.，MPa.s
|
≤8
|
≤12
|
|
|
Yield value，pa
|
≤1
|
≤3
|
|
|
Lmin gel strength,Pa
|
≤3
|
≤1
|
|
|
Filtration los，ml
|
≤10
|
≤11
|
|
← LV-CMC
no more →
