Enfoque de solución
RawSource supplies the base chemicals that go into these programs. We can help with product selection, grade matching, and sourcing from multiple origins for supply security.
Typical Formulation Workflow
1
Polymer & Process Definition
Identify the resin and process (extrusion, molding, film) and the targets — thermal stability, clarity, flame retardance, slip, or color.
2
Additive Selection
Match stabilizers, antioxidants, plasticizers, lubricants, flame retardants, or masterbatch carriers to the polymer and processing temperatures.
3
Compounding Trial
Confirm loading and dispersion on a compounding or molding trial, checking processability, mechanicals, and aesthetics against the control.
4
Validation & Scale-Up
Verify long-term performance (heat aging, migration, weathering) and lock the formulation, packaging, and lot specs for production.
Recommended Chemistries (5)
BHT (Butylated Hydroxytoluene), Food Grade
CAS 128-37-0
Aditivos Especiales
Antioxidante fenólico primario
Hindered-phenol primary antioxidant: donates a phenolic H to quench peroxy radicals, breaking the autoxidation chain during melt processing; the legitimate polyolefin AO of this set
Punto de fusión:69–71 °C Punto de ebullición:265 °C at 760 mmHg Densidad:1.048 at 20 °C
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TBHQ (Tert-Butylhydroquinone), Food Grade
CAS 1948-33-0
Aditivos Especiales
Tertiary butylhydroquinone
Hindered hydroquinone radical scavenger, a secondary phenolic option where BHT volatility is a concern
Punto de fusión:127–129 °C Punto de ebullición:295 °C at 760 mmHg Densidad:1.05
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BHA (Butylated Hydroxyanisole), Food Grade
CAS 25013-16-5
Aditivos Especiales
Conservación
Phenolic chain-breaking antioxidant that interrupts peroxide-radical propagation (food-grade stock)
Punto de fusión:48–55 °C Punto de ebullición:264–270 °C at 733 mmHg Solubility: < 1 mg/mL at 18 °C
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Mixed Tocopherols Oil (Natural Antioxidant)
CAS 10191-41-0
Aditivos Especiales
Conservación
Natural-source phenolic H-donor for radical termination where a non-synthetic stabilizer is required
Punto de fusión:2.5-3.5 °C Punto de ebullición:BP: 200-220 °C at 0.1 mmHg Densidad:0.950 at 25 °C/4 °C
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D-a Tocopherol Powder
CAS 59-02-9
Alpha-tocopherol (vitamin E) is a genuine hindered-phenol primary antioxidant / radical scavenger used as a melt-processing and thermal-oxidative stabilizer for polyolefins, and is the standard choice for FDA food-contact and medical-grade (e.g. vitamin-E-stabilized UHMWPE) applications where synthetic phenolics are excluded. CAS 59-02-9 correctly identifies natural D-alpha-tocopherol. Mechanism,
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