Oil Drilling Grade CMC | ||||||
Type Specification | CMC-HV | CMC-LV | ||||
Viscometer dial reading at 600r/min | In distilled water | ≥30 | ≤90 | |||
In 40g/L salt water | ≥30 | ≤90 | ||||
In saturated salt water | ≥30 | ≤90 | ||||
Fluid Loss(ml) Conforms to API Spec. 13A test methods | ≤10.0 | ≤10.0 | ||||
PH | 6.5-8.0 | 7.0-9.0 | ||||
Purity | ≥95.0 | ≥80.0 | ||||
Appearance | Free-flowing white or yellowish powder without lumps | |||||
Property Type | Apparent Viscosity | Filtrate volume, in seawater/KCL | Moisture | D.S. | ||
PAC-HV | Min. 50 | Max. 23 ml | Max. 10 | Min. 0.9 | ||
PAC-LV | Max. 40 | Max. 16 ml | Max. 10 | Min. 0.9 | ||
Textile Grade CMC/Coating Grade CMC | ||||||||
1% Soln, viscosity(mpa.s) | 400-600 | ≥1000 | 1000-1500 | 1500-2000 | 2000-2500 | 2500-3000 | ≥3000 | |
Chlorides,cl% | ≤3.0 | ≤1.8 | ||||||
Degree of substitution | ≥1.20 | ≥1.10 | ||||||
Loss on drying | ≤10.0 | |||||||
PH value | 6.5-8.5 | |||||||
Paper Making Grade CMC | ||||||||
Physical Form | White Powder | |||||||
Purity | 95% | |||||||
Viscosity 4% soln. Mpa.s | 16-2000 | |||||||
Loss on drying | ≤10% | |||||||
PH Value | 6.5-8.0 | |||||||
Degree of substitution | ≥0.8 | |||||||
Ceramic Grade CMC | |||||
Item | Viscosity mPa.s(2%) | D.S≥ | Purity% ≥ | Loss after Dry% ≤ | PH |
Ceramic Body | 100-500 | 0.7 | 80 | 10 | 6.5-8.0 |
600-800 | |||||
900-1200 | |||||
Ceramic Glaze | 400-800 | 0.8 | 90 | ||
900-1500 | |||||
900-1300 | |||||
1500-2000 | |||||
400-800 | 0.9 | 95 | |||
500-1000 | 0.95 | ||||
1000-1500 |