Phenyl Polyhedral Oligomeric Silsesquioxane IOTA 6108

Product Introduction

Phenyl POSS IOTA 6108 has a high phenyl content and exhibits excellent flame-retardant synergistic effects.

Technical Specifications

Molecular Formula:（(ph)₈Si₄O₄)_n

Structural Formula:

Appearance: White powder

Density (g/cm³): 1.185 ± 0.010

Molecular Weight (Mn): 800–2000

Refractive Index: 1.620 ± 0.005

Softening Point (°C): 200

Product Features

1.    High phenyl content

2.    High refractive index

3. Stable structure

4. Maintains good transparency across a wide range of materials.
5. Contains no halogens (fluorine, chlorine, bromine, etc.), making it a completely environmentally friendly halogen‑free flame retardant.

Applications

• Synthesis of high- and low-temperature resistant silicone rubber, adjusting the phenyl content of the silicone rubber.
• Synthesis of high-refractive-index phenyl silicone resins for LED encapsulants (RI > 1.54).
• Synthesis of high-temperature resistant phenyl silicone oils, featuring low vapor pressure and excellent thermal stability.
• Synthesis of pharmaceutical intermediates and silicone intermediates.
• As a synergistic flame-retardant additive, a defoaming agent for powder coatings, and other specialty additives.

Usage

Application in PC: Synergistic flame retardant for PC and PC/ABS alloys.

Note:

The actual formulation should be adjusted according to specific application requirements, regulatory restrictions, and processing conditions. Small‑scale sample testing is recommended for evaluation.

Packaging and Storage & Transportation

1.    Packaging: The product is supplied in plastic bags or composite cartons (25 kg), or can be customized according to customer requirements.

2.    Storage: The product should be stored in a well-ventilated and dry environment, protected from direct sunlight. The shelf life is 24 months in its original unopened packaging.

3.    Transportation: The product can be transported as general cargo.