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SI GROUP is a partner supplier of DKSH, helping to provide specialty chemicals and raw materials to our B2B customers. Find out what products are offered here. 

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LOWINOX™ WSP stabilizer function as an antioxidant, that appears in a fine, slightly dusting crystalline powder form. LOWINOX™ WSP stabilizer offers an excellent non-staining, non-discoloring properties, good protection against degradation due to copper contamination and heat-aging resistance. LOWINOX™ WSP stabilizer is suitable to use in elastomers, polyolefins, other plastics & latex applications Please see the specification sheet below and for further details contact our local sales representative today.
FRJ-551 is a heat-reactive, alkylphenolic resin, that appears in a flake form. FRJ-551 exbits a low intial viscosity and maintain viscosity-stability, high cohesive strength at room temperature. FRJ-551 designed primarily for use in the formulationsof polychloroprene-based contact adhesives. Please see the brochure below and for further details contact our local sales representative today.

ULTRANOX™ 626 is a high performance solid organophosphite antioxidant.

ULTRANOX™ 626 displays the benefits as below:

  • • Excellent colour stability during compounding, fabrication and end use
  • • Reduction in polymer degradation during processing
  • • Improved gas fading performance in many applications
  • • High performance at low loading levels for more cost-effective formulations


ULTRANOX™ 626 is suitable to use in applications as below:

  • • Polyolefins
  • • Polyesters
  • • Styrenics
  • • Engineering thermoplastics
  • • PVC
  • • Elastomers
  • • Adhesives
  • • Higher phosphorous content than competitive phosphite antioxidants
  • • Synergism when used with light stabilizers such as benzophenones and benzotriazoles
SP-1068 is a thermoplastic resin made from octylphenoland formaldehyde. It is typically used to increase tack in natural rubber and synthetic elastomers, including SBR, BR, IIR and IR. SP-1068 is soluble in aromatic and chlorinated hydrocarbons, ketones, esters and higher alcohols.