English
Español
tiếng việt
русский
High-performance hindered phenolic antioxidant for long-term thermal stability.
Excellent compatibility with polyolefins, including PP and HDPE.
Low volatility and minimal migration, ensuring sustained protection during processing and service life.
Non-discoloring formulation—preserves polymer clarity and color integrity.
Complies with major food-contact regulations (EU 10/2011, FDA 21 CFR §178.2010).
Polypropylene (PP) automotive interior components.
HDPE blow-molded containers for food and chemical packaging.
PP spunbond and meltblown nonwovens used in medical and filtration applications.
Thermoformed PP trays and lids for fresh produce and ready-meal packaging.
Recycled polyolefin compounds requiring robust stabilization against reprocessing degradation.
| Chemical Type | Hindered phenol |
| Product Form | Pellets |
| Appearance | White to off-white free-flowing pellets |
| Melting Range | 115–125 °C |
| Active Content | ≥99.0% |
| Heavy Metals (as Pb) | <5 ppm |
| Residue on Ignition | <0.1% |
| Storage Conditions | Store in cool, dry place under inert atmosphere; protect from moisture and direct sunlight |
Q1: What is the primary function of Bruggolen H325 in polymer processing?
A: Bruggolen H325 is a high-performance hindered phenolic antioxidant designed to protect thermoplastics—especially polyolefins such as PP and PE—against thermo-oxidative degradation during melt processing and long-term service life. It acts by scavenging free radicals formed under heat and shear stress.
Q2: Is Bruggolen H325 suitable for food-contact or pharmaceutical-grade applications?
A: Bruggolen H325 is formulated for use in polymers intended for indirect food contact applications where regulatory compliance is required. Its suitability for specific food-contact scenarios depends on final formulation, processing conditions, and applicable regional regulations—end users should conduct appropriate migration and compliance assessments.
Q3: How does Bruggolen H325 compare to other common phenolic antioxidants in terms of volatility and extraction resistance?
A: Bruggolen H325 exhibits lower volatility and improved resistance to extraction compared to many conventional low-molecular-weight phenolics, due to its optimized molecular structure and higher molecular weight. This contributes to better retention during high-temperature processing and extended product lifetime.
Q4: What is the typical dosage range for Bruggolen H325 in polypropylene applications?
A: Dosage is formulation-dependent, but Bruggolen H325 is typically used at low concentrations—generally ranging from 0.1% to 2% by weight in polypropylene—depending on processing severity, desired stabilization level, and presence of synergistic additives.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
Have a Questions? Call Us:
Add:
Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
