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Casachem™ PEG 6000 by Thomas Swan is a high molecular weight binder, compatibility agent, processing aid, vulcanization activator and cure promoter. It is a high-performance polyethylene glycol polymer used in industrial applications. It delivers versatility and efficiency across processing, formulation, and compounding applications.<br>
<ul style="padding-left: 40px;"><li> It enhances extrusion and injection molding of rubber compounds. </li>
<li>It delivers stable, low-volatility performance and improves flexibility, elongation, and impact resistance. </li>
<li>It promotes cure in rubber processing systems and enhances performance when compounding with silica and clay.</li>
<li>It provides cohesion in composite material formulations and ensures uniform blending in diverse polymer systems. </li>
<li>It is solid, white flakes of consistent quality and provides excellent lubricity and plasticization for thermoplastic applications.</li>
<li>It shows wide compatibility across both polar and non-polar polymer systems, including NR, SBR, BR, EPDM, and NBR, with a dual-polarity structure that enables solubility in both aqueous and organic systems. </li>
<li>In addition, it improves the dispersion of fillers, pigments, and curatives, supporting more uniform processing and performance.</li>
<li>It lubricates polymer chains, lowering mixing torque and improving extrusion. </li>
<li>In filled compounds, it reduces cure retardation and improving vulcanization rates. </li>
<li>Its amphiphilic nature (polar ether linkages and non-polar CH groups) promotes compatibility across diverse systems, ensuring homogeneous dispersion and improved physical properties in the final product.</li>
<li>Recommended dosage level is 1–3 phr as a processing aid in rubber compounding, 4–5 phr for dispersion and cure promotion and t 1–5% w/w depending on the required plasticization and humectancy.</li>
<li>Casachem™ PEG 6000 has a shelf life of 36 months.</li></ul> Casachem™ PEG 4000 by Thomas Swan is a high molecular weight polyethylene glycol-based melt-flow improver, lubricant, internal plasticizer and softener. It enhances processability and dispersion, reduces viscosity and mixing energy.<br>
<ul style="padding-left: 40px;"><li>It offers excellent lubricity with controlled melting behavior, along with optimal thermal and oxidative stability that makes it suitable for high-temperature mixing or extrusion. </li>
<li>It has excellent water solubility, enabling easy dispersibility in aqueous systems, and features low volatility and low odor for use in sensitive processing environments. </li>
<li>It is versatile across multiple polymer systems and provides optimal lubrication in rubber processing.</li>
<li>It is white, waxy solid with low toxicity and high consistency.</li>
<li>It is compatible with a wide range of fillers and curatives and is versatile for both industrial and regulated applications.</li>
<li>In addition, energy-independent production is supported through an on-site anaerobic digestion facility.</li>
<li>It enhances polymer flexibility, improves flow properties, and supports compatibility between polar and non-polar components, thereby contributing to better surface finish and mechanical properties.</li>
<li>Casachem™ PEG 4000 is used in rubber compounding (NR, SBR, EPDM), as well as in polymers, thermoplastics, and TPEs.</li>
<li>Recommended dosage level is 1.5-3.0 phr and 4 phr for EPDM extrusions
(including black loaded compounds).</li>
<li>It has a shelf life of 36 months.</li></ul> Casachem™ PEG 3350 by Thomas Swan is a non-ionic, medium molecular weight polyethylene glycol-based binder, compatibility agent, processing aid, plasticizer, internal lubricant, and dispersion enhancer. It is a clean, biodegradable additive that is versatile across multiple polymer systems.<br>
<ul style="padding-left: 40px;"><li>It improves blend homogeneity, prevents phase separation and enhances physical properties.</li>
<li>It provides an effective balance between flow improvement and structural integrity in thermoplastic systems. </li>
<li>It is solid, waxy flakes or powder that are easy to handle and dose into formulations, with low dusting and good storage stability. </li>
<li>It is hydrophilic and fully water soluble, offering excellent compatibility with aqueous and polar systems, and making it suitable for both dispersion and cleaning applications. </li>
<li>It is chemically stable under standard compounding conditions, maintaining performance without degradation or unwanted reactions during high-temperature processing or curing. </li>
<li>It reduces internal friction during processing, leading to smoother extrusion and molding. </li>
<li>Its hydrophilic nature promotes better dispersion of fillers and active ingredients, improving the consistency and performance of the final elastomer product. </li>
<li>In addition, it plasticizes polar polymer matrices, enhancing flexibility and elasticity.</li>
<li>It is environmentally friendly and safe for use in both industrial and consumer applications, with no long-term accumulation concerns. </li>
<li>In addition, energy-independent production is ensured through an on-site anaerobic digestion facility.</li>
<li>Casachem™ PEG 3350 is used in polymer blends, rubber and composite materials.</li>
<li>Recommended dosage level is 1–5 phr as a processing aid in both natural rubber and synthetic rubber formulations. </li>
<li>It has a shelf life of 36 months.</li></ul> Casachem™ PEG 600 by Thomas Swan is a low-molecular-weight lubricant, humectant, antistatic agent, release agent and plasticizer. It is a clear, colorless liquid that allows easy dosing and blending, with excellent water solubility and compatibility with most polar organic solvents.<br>
<ul style="padding-left: 40px;"><li>It is stable, low-volatility polymer, ensuring consistent performance during processing. </li>
<li>It has a safe profile with low toxicity and hypoallergenic properties, fully compliant with health and safety standards. </li>
<li>It provides high lubricity and solvency, improving processability and compound uniformity. </li>
<li>It is a versatile additive that provides effective moisture retention.</li>
<li>It reduces interchain friction in polymers, improving flexibility and flow. </li>
<li>Its hydrophilic nature enhances solubility and dispersion of active ingredients.</li>
<li>It minimizes adhesion to metal surfaces and improving demolding efficiency.</li>
<li>Casachem™ PEG 600 is used in rubber, plastics, polymer blends, elastomer molding and industrial systems.</li>
<li>Recommended dosage level is 1–5 phr as a plasticizer or dispersant and 0.5–2 phr as a release agent and 1-3 phr as a antistatic and humectant.</li></ul>
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Polymer additives supplied by Thomas Swan
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Casachem™ PEG 6000
by Thomas Swan
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Casachem™ PEG 4000
by Thomas Swan
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Casachem™ PEG 3350
by Thomas Swan
- Sustainable option
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Casachem™ PEG 600
by Thomas Swan
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