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On January 31, 2021, Hexion Holdings Corporation announced that it has completed the sale of its Coatings and Composite businesses, which includes the epoxy specialty resins and base epoxy resins and intermediates product lines, to Westlake Chemical Corporation. For epoxy coatings and composite product inquiries, please contact customer service at or

SB Prime™ Proppants


SB Primec





SB Prime™ proppant is an advanced, field proven, premium curable resin coated sand available in a 20/40 mesh size. With Hexion’s Stress Bond™ technology, the proppant bonds in the fracture with closure stress, providing high conductivity and proppant flowback control.

Typical Applications

Fracture treatments:

  •  At closure stress up to 10,000 psi [69 MPa] 
  •  Bottom-hole static temperatures from 160 - 450°F [71 - 232°C]
  •  Where high conductivity and proppant flowback control are desired

Technical Advantages and Benefits

  • Reduces proppant fines generation and migration
  • Helps prevent proppant flowback
  • Stress Bond technology helps prevent wellbore consolidation
  • Frac fluid and breaker friendly

Typical Properties

Property Standard Value Unit Test Method
Absolute Volume 0.380 [0.0455] cm³/g [gal/lb]
API Mesh Size 20/40
Bulk Density 1.47 [12.3] g/cm³ [lb/gal]
Color light green
Compatibility Fully compatible with most commonly used fracturing fluids, both water and oil-based systems. Testing fluids prior to pumping is advised.
Composition resin coated frac sand
Median Particle Diameter 0.6618 mm
Particle Size Distribution meets or exceeds API RP 19C
Physical State solid granule
Pipe Fill Factor 0.680 [0.0813] cm³/g [gal/lb]
Resin Type thermosetting, curable
Solubility in Water, Brine & HCl nil weight %
Solubility in HCl/HF acid, API RP 19C ≤ 3 weight %
Solubility In Oil nil weight %
Specific Gravity 2.63
Turbidity < 250 NTU (FTU)

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