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Dongying Dayong Petroleum Additives Co., Ltd. 


       Add:Yongli Road, Kenli County, Dongying City
       Mobile and WhatsApp: +86-13780771900
       Fax: +86-546-8741911
       Code:257500
       Email: terry@dayongchem.com

Address: South of Yongxin Road, Kenli District, Dongying, Shandong Province, China

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Category

Product name:

CMC-LV (Low Viscosity Sodium Carboxymethyl Cellulose)

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Product description

Introduction

 CMC-LV is a technical-grade low-viscosity sodium carboxymethyl cellulose used to reduce filtration in fresh water and seawater mud systems up to 250°F. It is less effective in brines and saltwater and is not generally recommended to be used if the salinity exceed 50,000 ppm.  CMC-L is used in high-viscosity, high solids or heavily weighted fluids and produces only slight increases in viscosity. Subject to bacterial degradation, a biocide should be used to prevent fermentation.  CMC-L treated systems should be pretreated with either sodium bicarbonate or possibly citric acid prior to drilling cement.

Applications/Functions

Control filtration rates with minimal viscosity increase in freshwater and seawater mud systems

Deflocculate some seawater muds when used in low concentrations

Advantages

Temperatures stable up to 250°F

Widely available and an economic source of polymer fluid-loss control

Concentrated chemical, very effective at small treatment levels

Typical Properties

Appearance

White powder

Specific gravity

1.59

pH (5% aqueous solution)

 9-11

Recommended Treatment

Freshwater: 0.5-1.5 ppb

Seawater:  2-3 ppb

Add slowly through a mixing hopper at a rate of 10-20 min/sack

Package

25 KG SACK

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