How does CMS affect drilling fluid viscosity?

It has little effect on plastic viscosity but greatly influences power and shear force to carry cuttings.

Yes, it is considered the best product to replace carboxymethyl cellulose (CMC).

Cms Modified Starch (Carboxy Methyl Starch) Used in Oil Drilling Textile

Name: Cms Modified Starch (Carboxy Methyl Starch) Used in Oil Drilling Textile
Brand: Cangzhou Bao Lai Da Import & Export Trading Co., Ltd.
SKU: 760284412

Hebei, ChinaCangzhou Bao Lai Da Import & Export Trading Co., Ltd.

US$535.00

10 Tons

Sample price:US$1.00/kg.Request sample

Product profile

Customization

Available

Application

Automobile, Construction, Fiber & Garment, Footwear & Leather, Packing, Woodworking

Bonding Function

Instant Adhesive

Model NO.

high purity Modify starch

Color

White

Composition

Inorganic Material

Morphology

White Powder

pH

7.5

Moisture,%

Solubility in Acid %

99.6

120ºC After Aging API Filtration Loss, M

40g/L Salt Water Less Than 10

Transport Package

25kg/Bag

Origin

China

HS Code

35051000

Production Capacity

3000mt/Month

Key features

Superior to CMC: Sodium carboxymethyl starch is superior to carboxymethyl cellulose and is the best replacement product.

Multi-Function Performance: Provides bonding, thickening, water retention, emulsification, suspension, and dispersion functions.

High Salinity Stability: Particularly suitable for high salinity and high pH saline alkali wells in oil drilling.

Excellent Solubility: Features high solubility in acid with a test result of 99.6%.

Low Filtration Loss: Reduces water loss with API filtration loss results as low as 7.4ml in saturated brine.

Customizable Packaging: Special packages are available based on customer requirements beyond standard 25 KG bags.

Fast Lead Time: Average lead time is within 15 workdays for both peak and off-peak seasons.

Stable Aqueous Solution: CMS aqueous solution is stable with excellent performance across various applications.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceFast Delivery

Cangzhou Bao Lai Da Import & Export Trading Co., Ltd.

Hebei, China

Business Type: Manufacturer/FactoryAverage Response Time: ≤2.32h

AI-Powered supplier vetting

SummaryCangzhou Bao Lai Da Import & Export Trading Co., Ltd. is a China-based limited company in Hebei that is described as both a trading company and manufacturer/factory, offering paraffin wax and related products. It holds self-operated import and export rights, reports that 90% of total sales come from exports, and has exported since 2013. Its location near Tianjin Port supports convenient transportation. A TUV Rheinland audit is recorded for the period from February 2, 2026 to February 1, 2027, but the provided audit result does not establish the specific certification or performance outcome. The supplier reports flexible customization, but has no new products in the past year, provides no ODM service, no SDK, and no OEM service for popular brands. Written procedures or records for corrective actions and complaint handling are absent. Financial records are referenced by year, but no financial performance values are provided. Customer industries are mentioned, but no named customer cases are disclosed.

Supplier typeThe supplier is identified as a limited company and is described both as a trading company and manufacturer/factory. Its stated scope includes wholesale and retail of chemical products, machinery parts, metal materials, hardware products, and self-operated import and export activities, with paraffin wax listed as the offered product.

After-Sales capabilityThe supplier has provided some approved supplier names, but no written procedures or records are available for corrective and preventive actions or effective customer complaint handling. This is explicit evidence of a documentation and process deficiency in after-sales service management.

R&D capabilityThe supplier reports no new products during the past year, no ODM service, and no available SDK. These statements indicate limited demonstrated recent product innovation and technical development support.

Customization capabilityThe supplier explicitly states that it provides flexible customization through its design services. Although it does not offer ODM services, the stated customization capability supports a positive assessment for tailored product requirements.