Yellow Inhibitor / Blue Toner Masterbatch
Product Number： FT042
Concentration ：
Carrier ：
Add Scale ：
Light Resistance ：
Heat Resistance ：
Migration Resistance ：
Weight： 1000 (Kg)
Minimum order quantity： 500
Category：
Additive Masterbatch
Hotline：
+86-551-65659891
Yellow Inhibitor / Blue Toner Masterbatch
key words：
2. Main Causes of Plastic Yellowing & Working Mechanism
- Thermal oxidation under high extrusion/injection temperature
- Degradation of additives and residual metal catalysts
- Long-term UV irradiation for outdoor products
- Hydrolysis and aging of biodegradable plastics (PLA/PBAT)
- Captures free radicals produced by thermal oxidation to block chain degradation
- Chelates metal ions that accelerate yellowing
- Absorbs ultraviolet light to avoid photo-yellowing
- Removes peroxide substances that cause discoloration
3. Core Composition
- Carrier resin: PE, PP, ABS, PS, PLA, PC (consistent with base plastic)
- Core anti-yellowing functional agents:
- High-efficiency composite hindered phenol + phosphite antioxidants
- Metal ion chelating agent
- Light stabilizer (HALS) for outdoor anti-yellow grades
- Auxiliaries: Lubricants, dispersants, compatibilizers
4. Key Advantages
- Significantly reduce yellow index, maintain bright white or high transparency
- Double protection: anti-yellow during high-temperature processing and later service life
- Pellet form, dust-free, convenient automatic feeding and precise proportioning
- Good compatibility, no fogging, no spots on transparent products
- No negative impact on gloss, tensile strength and impact performance
- Available in indoor general grade and outdoor long-term anti-yellow grade
5. Classification & Applications
1) Polyolefin yellow inhibitor masterbatch (PE/PP carrier)
Scenarios: White non-woven fabrics, transparent PP cups, PE films, injection storage boxes, blow-molded containers
Solves yellowing after repeated high-temperature processing.
2) Transparent engineering plastic grade (ABS/PS/PC carrier)
Scenarios: Clear electronic housings, cosmetic packaging, transparent stationery, food containers
Maintains crystal clarity without yellow tint.
3) Biodegradable plastic special grade (PLA/PBAT carrier)
Scenarios: Disposable degradable tableware, compostable shopping bags
Restrains thermal hydrolysis yellowing of PLA during processing.
4) Outdoor weather-resistant anti-yellow masterbatch (antioxidant + HALS compound)
Scenarios: White outdoor plastic profiles, agricultural films, auto exterior parts
Prevents photo-oxidative yellowing under sunlight.
6. Recommended Dosage
- Indoor ordinary white/transparent products: 0.5%–1.2%
- High-temperature repeated processing / transparent high-gloss goods: 1.2%–2%
- Long-term outdoor exposure products: 1.8%–2.5%
7. Important Usage Tips
- Match carrier resin with your substrate to avoid poor fusion and surface haze
- For strict low-yellow transparent products, avoid mixing with acidic additives
- Single yellow inhibitor cannot fully resist outdoor UV; select composite anti-yellow + UV stabilizer grades
- Do not over-add, excessive dosage may slightly reduce surface gloss
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