IOTA Silicone Oil（Anhui） Co., Ltd.
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In fields such as aerospace, electronics, electrical appliances, and the automotive industry, liquid addition-cure silicone rubber imposes stringent requirements on the activity, heat resistance, and purity of crosslinkers. IOTA 207 Methyl Phenyl Hydrogen Silicone Resin, with its excellent Si-H reactivity, high purity, and high-temperature resistance characteristics, becomes an ideal crosslinker for manufacturing high-temperature resistant liquid addition-cure silicone rubber, providing performance assurance for specialty silicone rubber products.
Product Characteristics and Application Value
IOTA 207 contains active Si-H bonds in its molecular structure, which readily undergo addition reactions with vinyl compounds in the presence of platinum catalysts. Its characteristics of low reaction temperature, low catalyst usage, and complete reaction enable controllable crosslinking density and excellent mechanical properties of silicone rubber during curing.
This product adopts a phenyl monomer structure, endowing silicone rubber with good high-temperature resistance, meeting the long-term use requirements of special devices in high-temperature environments. Meanwhile, its colorless and odorless properties ensure high purity of products, suitable for sensitive fields such as medical and food contact applications.
Core Advantages
Highly Active Si-H Bonds: Low reaction temperature, low catalyst usage, high crosslinking efficiency
Excellent High-Temperature Resistance: Phenyl structure endows products with good thermal stability
High Purity: Colorless and odorless, suitable for sensitive fields such as medical and food contact
High Solid Content: ≥96%, high active ingredient content, good economy
Technical Specifications
| Parameter | Specification |
|---|---|
| Appearance | Colorless transparent liquid |
| Viscosity (25°C) | 13000-16000 mPa·s |
| Hydrogen Content | 0.27-0.31% |
| Refractive Index | 1.54 |
| Solid Content | ≥96% |
Application Fields
Aerospace
High-temperature resistant seals, shock-absorbing components
Aviation electrical insulation materials
Heat-resistant components for spacecraft
Electronics and Electrical
High-voltage insulators, cable accessories
Electronic component encapsulation materials
High-temperature resistant keypads, sealing rings
Automotive Industry
Engine peripheral seals
Heat-resistant pipelines, connectors
Automotive electronic protection materials
Usage Guidelines
Formulation Recommendations
Used as a crosslinker in combination with vinyl silicone oil
Recommended dosage: Adjust based on target crosslinking density, generally 1-5% of the total system
Used with platinum catalysts to achieve efficient addition curing
Process Tips
Stir thoroughly before use to ensure system uniformity
Avoid contact with catalyst poisons containing nitrogen, phosphorus, sulfur, etc.
Reaction temperature and time can be adjusted according to process requirements
Packaging and Storage
| Parameter | Description |
|---|---|
| Packaging Specifications | 5 kg/can, 50 kg/drum, 200 kg/drum (polyethylene plastic drums) |
| Storage Conditions | Cool, dry place, keep sealed |
| Storage Period | 6 months (can still be used after inspection if expired) |
| Transportation Requirements | Transported as non-hazardous goods |
From LED Encapsulation to Specialty Silicone Rubber, from High Refractive Index to High-Temperature Resistance—IOTA 207, with Its Highly Active Si-H Bonds, Provides Precisely Controllable Crosslinking Assurance for Addition Reaction Systems.
Choosing IOTA 207 Is Not Just Selecting a Methyl Phenyl Hydrogen Silicone Resin—It Is Choosing a Chemical Intelligence That Remains Reliable in High-Temperature and High Refractive Index Applications.
