Solution Approach
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 (4)
Hydrotalcite (synthetic Mg-Al hydroxycarbonate)
CAS 11097-59-9
Layered double hydroxide that intercalates and neutralizes catalyst-residue HCl to prevent corrosion and color drift, while also acting as a co-stabilizer (source on demand)
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Calcium Stearate
CAS 1592-23-0
Esters
Surfactancy
Metal-stearate acid scavenger and lubricant; the carboxylate neutralizes HCl to CaCl2 while aiding melt flow
Physical Description: Pellets or Large Crystals, Liquid, Other Solid;… Appearance: FINE, WHITE TO YELLOWISH WHITE, BULKY POWDER Melting Point: Melting point equals 217 ° F
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Zinc Stearate
CAS 557-05-1
Acids & Salts
Lubrication
Co-scavenger and lubricant that reacts with acidic residues, typically paired with calcium stearate
Physical Description: Zinc stearate is a white, hydrophobic powder wi… Appearance: White powder free from gritiness Odor: Slight, characteristic odor
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Calcium Lactate
CAS 814-80-2
Organic-salt acid scavenger alternative for color-sensitive grades (source on demand)
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BHT, phenolic antioxidants, and phosphite stabilizers for thermal and oxidative stability during processing and service life
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