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Products and Applications

Engineered Plastics

Engineered Plastics

Conductive & ESD Plastics

Film & Sheet Applications

Food Contact Plastics

Moulded Parts

Wire & Cable

Products

Engineered Plastics
Conductive & ESD Plastics
Film & Sheet Applications
Food Contact Plastics
Moulded Parts
Wire & Cable

Film & Sheet Applications

Used in:

Geomembranes

Greenhouse films

Mulch films

Stretch wraps

Lamination films

Conventional Carbon Blacks Used Today

Film manufacturers commonly use:

N550/N660

semi-reinforcing blacks

N772/N990

for softness & flow

General pigment blacks for jetness

These blacks were originally designed for rubber mixing , not for:

  • Thin-gauge films
  • Blown/cast extrusion
  • Long-term UV exposure
  • Optical clarity

Industry Problems with Conventional Grades

  • Gels, specks, micro-agglomerates → thin-film tearing
  • Poor dispersion → optical haze and streaking
  • Volatile content → odor in packaging films
  • High viscosity → unstable gauge control
  • Jetness variation due to broad PSD
  • Limited UV lifetime outdoors (especially in HDPE)

ISTAR Upgrade — DURONIX® + PLASTEXA® + ONYX GEMS®

VELCROX® is an engineered alternative to rubber-grade conductive blacks

DURONIX® (Ultra-clean furnace + thermal-type hybrids)
  • Low-structure → better melt flow
  • Ultra-clean morphology → no gels/specks
  • Ideal for HDPE, LLDPE, LDPE films
  • Reduces die pressure & melt fracture

PLASTEXA® (Low volatiles + safe for packaging)

  • No odor or fogging in food packaging
  • Delivers consistent coloration and gloss
ONYX GEMS® (Premium jetness for aesthetic films)
  • Narrow PSD → stable black tone
  • High tinting strength → lower phr

ISTAR brings “engineering-grade carbon black” to film extrusion — something rubber grades cannot achieve.

TDS

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SDS

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