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High thermal stability suitable for demanding processing conditions up to 280 °C.
Excellent lightfastness and weather resistance, meeting ISO 105-B02 (Grade 7–8) requirements.
Good dispersibility in both polar and non-polar polymer matrices, enabling uniform coloration.
Low migration tendency, ensuring color integrity in multi-layer and food-contact compliant applications.
Compliant with major global regulatory frameworks including EU REACH, US FDA 21 CFR §178.3297, and OEKO-TEX® Standard 100 Class I.
Polyolefin fibers and spunbond nonwovens for hygiene and medical textiles.
Engineering thermoplastics such as PP, PE, and ABS for automotive interior components.
Masterbatch formulations for flexible and rigid packaging films.
Color concentrates used in blow-molded containers for household and personal care products.
Specialty extruded profiles for architectural and outdoor construction applications.
| Chemical Type | Azo pigment (disazo condensation type) |
| Product Form | Free-flowing granular powder |
| Appearance | Yellow-brown free-flowing granules |
| Primary Applications | Polyolefins, engineering plastics, masterbatches |
| Key Features | Thermal stability, low migration, high tinctorial strength |
| Benefits | Consistent batch-to-batch color, excellent dispersion, regulatory compliance |
| Recommended Carrier Resin | PP or HDPE-based carrier systems |
| Storage Conditions | Store in cool, dry place; protect from moisture and direct sunlight |
Q1: What is the primary application field for Sanodure Yellow Brown 2G?
A: Sanodure Yellow Brown 2G is specifically developed for coloring polyolefin-based food contact materials, including PP and PE packaging films, containers, and closures—where regulatory compliance and thermal stability during processing are critical.
Q2: Is this pigment suitable for high-temperature processing such as injection molding or extrusion?
A: Yes, Sanodure Yellow Brown 2G exhibits excellent thermal stability and is formulated to withstand typical polyolefin processing temperatures up to 280 °C without significant color shift or degradation.
Q3: How does Sanodure Yellow Brown 2G compare to conventional organic pigments in terms of migration resistance?
A: As a high-performance, polymer-compatible pigment, it demonstrates significantly lower migration potential than standard organic pigments due to its optimized particle morphology and surface treatment—making it well-suited for demanding food contact applications.
Q4: What is the recommended dosage range for achieving consistent coloration in polypropylene?
A: Dosage depends on formulation requirements and desired shade intensity, but it is typically used at low concentrations—generally ranging from 0.1% to 2% by weight in PP matrix—while maintaining excellent dispersion and color uniformity.
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