Triisooctyl phosphite (TOTM) CAS 25103-12-2
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Product Description
Product Details
Introduction
Triisooctyl phosphite (TOTM) is a light yellow, transparent, viscous, oily liquid. It is a heat-resistant and durable plasticizer suitable for polyvinyl chloride, vinyl acetate-vinyl chloride copolymer, nitrocellulose, polymethyl methacrylate, and other plastics. It has the advantages of both polymeric plasticizers and monomeric plasticizers. Its plasticizing efficiency and processing performance are similar to those of phthalate plasticizers. It has good compatibility, plasticizing performance, low temperature performance, migration resistance, water extraction resistance, thermal stability, and excellent electrical properties.
Technical Index
| Item | Indicator value |
| Color (Pt-Co) No. | ≤60 |
| Density (20°C) g/cm³ | 0.987-0.997 |
| Acid value mgKOH/g | ≤0.3 |
| Ester content % | ≥98.50 |
| Flash point (open cup method) ℃ | ≥240 |
| Volume resistivityΩ.com | ≥5×10¹¹ |
Application
Triisooctyl phosphite (TOTM) is suitable for a wide range of plastics, including polyvinyl chloride (PVC), vinyl chloride copolymers, nitrocellulose, cellulose ethylbutyrate, and polymethyl methacrylate (PMMA). Its plasticizing efficiency and processing performance are comparable to those of phthalate plasticizers, and it offers superior durability and electrical properties. It can be used in heat-resistant and durable products such as heat-resistant wire and cable compounds, boards, sheets, and gaskets.
It is mainly used for 105°C grade heat-resistant wire and cable materials as well as plates, sheets, sealing gaskets, and other products that require heat resistance and durability.
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Triisooctyl phosphite
TOTM
CAS 25103-12-2
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