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Capital Resin Corporation is the only thermoset resin producer in the United States manufacturing sulfonic acid catalysts and their corresponding solutions.
CRC services a vast range of industries including: chemical intermediates, paints and coatings, construction products, esterification, antioxidants, and phenolic foaming.
Various aromatics are sulfonated in glass-lined equipment with high-grade, ultra-pure sulfuric acid. Due to custom formulary techniques, CRC produces the most ‘color effective’ solutions in the aromatic sulfonic acid industry. Many customers specify CRC catalyst packages due to their corresponding high integrity.
CRC's Toluene Sulfonic Acid is manufactured to possess the following isomer distribution: para-TSA ~ 83 – 85%; ortho-TSA ~ 12 – 14%; meta-TSA ~ 1 – 3%.
Following is a partial list of typical specifications for CRC sulfonic acids: Product | Description | Total Acidity | Gardner Color | Free H2SO4 | CRC-601 | Toluene Sulfonic Acid 95% | 28.0 - 28.5 | 1.0 - 5.0 | 1.5, MAX. | CRC-350 | TSA/Water Solution | 19.4 - 20.1 | 1.0 - 5.0 | 1.0, MAX. | CRC-353 | TSA/Water Solution | 18.2 - 18.6 | 1.0 - 5.0 | 0.9, MAX | CRC-360 | TSA/Water Solution | 16.9 - 17.3 | 1.0 - 5.0 | 0.9, MAX | CRC-345 | TSA/Water/Alcohol | 19.5 - 19.9 | 1.0 - 5.0 | 1.0, MAX. | CRC-362 | BSA/Water | 23.7 - 24.1 | > 8.0 | 2.5, MAX. | CRC-364 | BSA/Water/Alcohol | 26.0 - 26.4 | > 8.0 | 2.0, MAX | CRC-605 | Phenol Sulfonic Acid | 19.9 - 21.0 | > 2.0 | 2.8, MAX | CRC-608 | Phenol Sulfonic Acid | 18.9 - 19.9 | > 2.0 | 1.0, MAX. |
CRC will tailor-make catalyst packages not listed above. If you have a need for Benzene Sulfonic, Phenol Sulfonic, or Toluene Sulfonic Acid catalyst solutions, please contact:
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, for additional information on our ‘customer focused’ formulary techniques.
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