Huazi® API
API is an extracellular acidic heteropolysaccharide produced by the fermentation of xanthomonas campestris bacterium. Made from corn starch and other carbohydrates through the processes of culturing, extracting, evaporating and grinding, it is widely used in oil drilling industry.
PACKAGE: Carton box or paper bag, cardboard drum net weight 25kg or required by the customer.
STORE: Sealed and stored in cool, dry conditions.
SHELF LIFE: It is 24 months in the above store conditions.
Test Items | Specs |
Appearance | Cream-white |
Screening rate (40 mesh) (%) | ≥95.0 |
Screening rate (200mesh) (%) | ≤50.0 |
Loss on Drying | ≤13.0 |
PH | 6.0-8.0 |
Ash (%) | ≤14 |
Density(kg/L) | ≥0.4 |
Salt tolerance and API detection: 1 g sample was dissolved in 358g sea salt solution under high speed stirring of 11000rpm, and measured at 25°C after standing for 25min | |
600 rpm reading | ≥75 |
300 rpm reading | ≥55 |
200 rpm reading | ≥45 |
100 rpm reading | ≥35 |
6rpm reading | ≥19 |
3 rpm reading | ≥16 |
Brookfield LV, 1.5r/min | ≥1950 |