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Croda’s Ionphase rSTAT2 provides static control for HDPE extrusion blow molding products.
Anti - static Principle
Builds an ionic network in HDPE extrusion blow molding substrates to conduct static.
Long-lasting, permanent antistatic performance with low humidity dependence
Easy to process; excellent thermal stability
Recyclable formulation; preserves substrate mechanical properties
No surface defects; corrosion-resistant composition
Uniform conductive dispersion for consistent static control
HDPE extrusion blow molding substrates
Medium-sized bulk containers, buckets, and tank products
Model | Ionphase rSTAT2 |
Volume Resistivity | 7E5 |
Density | 1.01 kg/m³ |
Melting Point | 75 - 163℃ |
Q1: What types of polymers is rSTAT2 compatible with?
A: rSTAT2 is designed for use in thermoplastic polymers including polyolefins (e.g., PP and PE), engineering plastics such as ABS and PS, and certain polyester-based systems. Compatibility should be verified through formulation testing, especially in complex or highly filled compounds.
Q2: How does rSTAT2 provide antistatic performance in finished parts?
A: rSTAT2 functions via a migratory mechanism — it gradually diffuses to the polymer surface during processing and service life, forming a thin conductive layer that dissipates static charge. Performance develops over time and is influenced by humidity, surface morphology, and thermal history.
Q3: Is rSTAT2 suitable for applications requiring low extractables or food-contact compliance?
A: rSTAT2 is formulated to minimize volatility and extractables, making it suitable for many non-food industrial applications. For food-contact or pharmaceutical uses, regulatory evaluation must be conducted on a case-by-case basis, considering final formulation, processing conditions, and applicable regional requirements.
Q4: What is the typical dosage range for rSTAT2 in polymer formulations?
A: rSTAT2 is typically used at low concentrations, generally ranging from 0.1% to 2% by weight, depending on the base polymer, desired surface resistivity, processing method, and end-use environmental conditions. Optimal dosage should be determined experimentally to balance performance, clarity, and process stability.
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