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  1. Home
  2. Chemical Manufacturing and Industrial
  3. Polyurethane Manufacturing
  4. Flexible Slabstock Foam

Flexible Slabstock Foam

Reliable solutions for quality, performance and innovation

Silicone additives from Dow can be used in many flexible slabstock foam applications, including:

  • Polyether and polyester slabstock foam 
  • Wide range of blowing agents systems Including carbon-dioxide and acetone
  • Wide latitude processing 
  • Low-emission surfactants 
  • Viscoelastic/slow-recovery 
  • Flame-retardant (FR) additives systems

Continuous Conventional and Viscoelastic foam

Product Fine cell opening (FCO) High cell opening (HCO) Flame-retardant (FR) Viscoelasticity Reduced VOC
VORASURF™  FF 5959 Additive *** * * ✓ ✓
VORASURF™ DC 198 Additive ** ** * ✓  
VORASURF™ DC 198LV Additive ** * * ✓ ✓
VORASURF™ DC 5188 Additive *** *** *    
VORASURF™ DC 5950 Additive ** *** *** ✓  
VORASURF™ DC 5950LV Additive *** *** ** ✓ ✓
VORASURF™ DC 5160 Additive * * **    
VORASURF™ DC 5951 Additive * ** *    
VORASURF™ DC 5951LV Additive *** ** * ✓ ✓
VORASURF™ DC 5810 Additive ** *** **   ✓
VORASURF™ DC 5906 Additive *** *** ** ✓  
VORASURF™ DC 5906LV Additive *** *** ** ✓ ✓
VORASURF™ DC 5933 Additive ** *** *   ✓
VORASURF™ DC 5982 Additive1 ** ** ** ✓  
VORASURF™ DC 5986 Additive ** *** ** ✓  
VORASURF™ DC 5987 Additive ** *** ** ✓  
VORASURF™ DC 5901 Additive2 ** ** ** ✓  

*Low performance  **Moderate performance  ***High performance  ✓ = Attribute present in product
1Product unavailable in the E.U.  2Product only available in the E.U.


Conventional box foams

Product Rectangular block Cylindrical block High filler content High cell opening (HCO)
VORASURF™ DC 5933 Additive *** ** * **
VORASURF™ DC 5906 Additive ** *** *** ***
VORASURF™ DC 5906LV Additive ** *** *** ***
VORASURF™ DC 5810 Additive *** *** *** **
VORASURF™ DC 5986 Additive *** *** ** *
VORASURF™ DC 5950 Additive *** *** ** ***


TDI Viscoelastic foams

Product Processing window Fine cell structure High cell opening (HCO) Low VOC
VORASURF™ SZ 1959 Additive * *** **  
VORASURF™ SZ 1979 Additive * *** ** ✓
VORASURF™ SZ 1952 Additive * ** *** ✓

*Low performance  **Moderate performance  ***High performance  ✓ = Attribute present in product


HR Slab foams

Product Processing window Fine cell structure High cell opening (HCO) Bulk stabilization
VORASURF™ DC 5043 Additive *** *** *** **
VORASURF™ DC 6070 Additive *** *** ** ***

*Low performance  **Moderate performance  ***High performance


Polyester foam

VORASURF™ DC 1990 Additive
  • Surfactant for polyester flexible slabstock foam applications with low emission requirements
  • Can be used in flexible molded foam for cell-opening and for rigid foam applications
VORASURF™ TF 3607 Additive
  • Surfactant for ester slabstock foam and TDI/MDI HR molded foam systems
  • Surfactant for urethane elastomer foam and footwear (shoe sole) applications
VORASURF™ FF 5526 Additive
  • Surfactant for polyester slabstock foam