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Fracsal Ultra crosslinking additive consists of a specifically sized, sparingly-soluble borate crosslinking agent suspended in a aqueous, crosslink modifier solution. The low pour point of the winterized Fracsal Ultra makes this product ideal for use under extreme cold conditions. The standard concentration for Fracsal Ultra is 1 to 3 gal per 1,000 gal of fracturing fluid with crosslink times ranging from 1.5 to 6.5 minutes depending upon the pH, temperature, and type of polymer-based fracturing fluid system. Fracsal Ultra packaging can be customized to meet specific requirements.

Functions: Crosslinking Agent

Chemical Family: Borates, Boron-based Compounds

End Uses: Fracturing Fluids

Features: Cold Resistance, Water Soluble

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Industrial Additives Functions

Features & Benefits

Industrial Additives Features

Applications & Uses

Markets
Industrial Additives End Use

Properties

Color
Physical Form
Appearance
Tan Liquid
Soluble in
Water
Environmental Properties
ValueUnitsTest Method / Conditions
Biological Oxygen Demand20.0mg/L-
BTEX (S.W. 8260)Below detection limit of 1 ppb--
Chemical Oxygen Demand60.0mg/L-
LC50, 96-hour339300.0ppm-
Physical Properties
ValueUnitsTest Method / Conditions
Pour Point-24.0°CASTM D97
Specific Gravity1.4 - 1.43g/mL-

Technical Details & Test Data

D50 - Microtox Testing
Test EC 20 EC 50 PASS/FAIL
MTX- Threshold 110 L/m3 (91 - 140) 210 L/m3 (180 - 250) not applicable
MTX - Confirmation @191L/m3 >91% >91% PASS
Crosslink Times At Various pH Values

FRACSAL ULTRA - Crosslink Times At Various Ph Values

 

pH 7.5 8.5 9.5 10.5 11.5
Static Top, min:sec 3:13 3:00 2:12 3:45 8:40

 

Crosslink Times Test Parameters

Guar Base: 2% KCl
Polymer Concentration: 40 lb/1,000 gal
pH, adjusted with NaOH: 7.5 - 11.5
Viscosity, 300 rpm: 38 - 42 cP
Crosslinking Additive Concentration: 1.2 gal/1,000 gal
Temperature: 25°C (77°F)