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Clariant HS1 is an antistatic agent with a yellow granular appearance, developed by Clariant (Germany). It contains no chloride ions due to its special production process, featuring strong hygroscopicity and low volatility at high temperatures. As a non-hazardous material, it has no transportation restrictions and is widely used in polymers like PP, PE, and PVC. It can also act as an external lubricant for PVC, PS, and thermoplastic engineering plastics, with excellent mold release and flow improvement effects.
Strong hygroscopicity: Forms conductive films to deliver antistatic performance
Low high-temperature volatility: Suitable for high-melting polymer processing
Chloride-free: Meets material safety requirements
Food law approved: Compliant with food contact regulations in Germany and the US
Polymers: Applicable to PP, PE, PVC, PS, ABS and thermoplastic engineering plastics
Opaque PVC calendered films: Recommended dosage 1.0-1.5%
Transparent PVC/PS products: Dosage ≤0.3% to prevent fogging
Long-term antistatic PE products: Dosage 1-2% for continuous migration effect
Product Name | Clariant HS1 |
Appearance | Light yellow granules |
Chloride Ion Content | Chloride-free |
Recommended Dosage | 0.1-2.5% (varies by polymer type) |
Shelf Life | At least 12 months (in sealed original packaging) |
Packaging Specification | 25 KG/package |
Transportation Class | Non-hazardous material |
Food Law Approval | Approved in Germany and the US |
Q1: What types of polymers is Clariant HS1 compatible with?
A: Clariant HS1 is primarily designed for use in polyolefins such as PP and PE, and demonstrates good compatibility in engineering thermoplastics including ABS, PS, and certain polyesters. Performance may vary depending on polymer polarity, melt temperature, and processing conditions.
Q2: How is HS1 typically incorporated into the polymer matrix?
A: HS1 is commonly introduced via masterbatch dilution or direct dry-blend addition prior to extrusion or injection molding. It is thermally stable under standard processing conditions and does not require pre-drying. Uniform dispersion is achieved through conventional melt mixing equipment.
Q3: Does HS1 affect the mechanical or optical properties of the final part?
A: When used at recommended dosage levels, HS1 generally has minimal impact on tensile strength, impact resistance, or clarity—particularly in transparent or semi-crystalline systems. Any subtle changes depend on base resin, loading level, and thermal history during processing.
Q4: Is HS1 suitable for applications requiring long-term antistatic performance?
A: Yes—HS1 provides both immediate surface charge dissipation and sustained antistatic functionality over time, especially in controlled humidity environments. Its migration behavior is balanced to support durable performance without excessive bloom or surface residue.
Q5: Can HS1 be used in food-contact or medical-grade polymer formulations?
A: HS1 is not pre-approved for food-contact or medical applications by default. Regulatory compliance must be evaluated case-by-case based on end-use requirements, processing parameters, and applicable regional regulations. Customers are advised to consult Clariant’s regulatory documentation and conduct appropriate testing.
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