xanthan gum oil drilling & exploitation grade 1.function: xanthan gum have the performance of hydrodynamication,emulsion,suspension,excellent tolerance to high temperature,sacid,alkalineand salt,against pollution and protect environment,xanthan gum has obvious advantages compare with other conglomerates for oil drilling.keep high viscosity in low longitudinal shear,let the low thickness of drilling liquid can float solid physicals,this is very important to sea drilling. xanthan gum is widely used in sea drilling,land drilling,horizontal drilling. a) a high degree pseudo-plasticity over board shear rate b) stable in both acidic and alkaline solutions c) stable in high temperature d) high concentration of various salt e) excellent suspension for insoluble solids and oil droplets f) extremely effective emulsion and foam stabilizer g) drilling mud agent:well heatproof,anti-salt,shearing dilution and particle suspended function h) at saturation salt water and long-time stability 2.specification: product name:oil drilling grade xanthan gum apperance:white flowing powder white flowing powder viscosity (1% solution in 1% kcl):1200-1600cps ph (1% solution):6.0-8.0 ash:max 13% loss on drying:max 13% max 13% particle size:40mesh 80mesh 120mesh total nitrogen:0.55% v1/v2:1.02-1.45 3φ:min 12.5 yp:min 30 thermal stability:stable up to 121℃ rheologic measurement: rate 600rp 300rpm 200rpm 100rpm 6rpm 3rpm standards 75-110 55-120 45-100 35-90 15-40 12.5-35 results 97 69 59 44.5 18 15 3.executing standard: conform with gb13886-92.refer to sy 5093-92,api 4.package,storage & caution 25kgs multiply paper bags of pe woven bags. stored in the original drums or bags under the conditions of dry and below 25℃,a shelf life of at least 15 months will be achieved. to be added slowly through the hopper at maximum shear to avoid lumping and to minimize waste,the appropriate adding ratio should be 0.3-1.2%. 5.cas-number: 11138-66-2 molecular formula: (c35h49o29)n