Electrically conductive additive for thermoplastics with retained mechanical performance and required processability


TUBALL™ graphene nanotubes (also known as single wall carbon nanotubes) demonstrate promising results as conductive additives for plastics.

Graphene nanotubes create a dense conductive network inside thermoplastic compounds that guarantees stable electrically conductive performance with no adverse effects on the mechanical and rheological properties of plastics.

OCSiAl markets nanotube-based concentrate for wide range of thermoplastics: glass fiber filled polyamide, polyamide, glass fiber filled PPS, PVC-plastisol, TPU, polycarbonate, ABS, PC-ABS polypropylene. Other conductive additives with nanotubes for polyethylene, polystyrene and others are undergoing validation and are referred to as beta products.

Conductive additives: traditional vs TUBALL™

Note. This diagram provides average trends compared with other additives based on OCSiAl data. Product performance may vary depending on product type and formulation.

TUBALL™ MATRIX multiple benefits

  • Enables a new combination of properties in comparison to standard conductive additives 
  • Surface resistivity of 103–109 Ω/sq*
  • Volume resistivity of 103–109 Ω∙cm*
  • Maintains good balance of mechanical properties
  • Stable performance reducing the number of out-of-spec parts
  • Good processability
  • Permanent homogeneous resistivity without “hot spots”
  • High surface quality
  • Allows production of conductive parts that retain colors
  • Freedom to incorporate other functional ingredients 

* Values can vary depending on the formulation, processing and products. The values shown are given as the typical reference.

TUBALL™ graphene nanotube solutions for plastics

To adapt nanotubes to a standard manufacturing process without purchasing specific equipment or changing the original formulation, OCSiAl has developed TUBALL™ MATRIX line of concentrates.


ProduitDispersantForme*Systèmes cibles
PolyéthylènePE RotomoulagePolypropylènePVCHIPS thermoforméTPUPPS chargé verreABSPCPA chargé verrePC-ABSPAPBT chargé verreRevêtements en poudrePET
TUBALL™ MATRIX concentrates (Pellets or black flakes paste @ standard dosage 0.3%–3.0%)
Ethylene copolymerPWD
Polyol esterPLT
Polymer + ammonium salt of polyolefins-based derivative (CAS-No. 398475-96-2)PST
Epoxidized fatty acid glyceridePST**
Polyethylene waxPLT
Reaction mass of fatty acids, montan-wax, ethylene estersPLT
TUBALL™ suspensions COAT_E (Black liquid @ standard dosage 1.5%–6.4%)
Water + anionic surfactant (sodium dodecylbenzenesulfonate, CAS-No. 25155-30-0)SPSN
* PLT – granulés, PST – pâte, SPSN – suspension
** Spécifique pour PVC plastisol