Tetraphenyl Resorcinol Bis(diphenylphosphate)

Tetraphenyl Resorcinol Bis(diphenylphosphate), often referred to as RDP, is a halogen-free phosphate flame retardant respected for its low volatility and excellent thermal stability. Designed to meet the processing needs of engineering plastics, RDP is widely used as a flame retardant in materials such as PC/ABS and PPO/HIPS.

 

As a non-halogen flame retardant, RDP belongs to the category of low molecular weight phosphate esters. It is synthesized from tetraphenyl resorcinol bis(diphenylphosphate) monomer. Designed for a variety of resin applications, RDP is widely used in PPO (PPE) alloys, PC/ABS blends, and phthalate-based polymers (PET, PBT). The thermal stability and low viscosity of RDP make it ideal for molding products that require high processing temperatures, especially for complex and thin-walled parts.

 

Typical loadings of RDP range from 7 to 15 parts percent (phr) to ensure that the resin to which it is added has the required flame retardancy.

In addition to its flame retardant properties, Tetraphenyl Resorcinol Bis(diphenylphosphate) can also be used as a melt flow improver (1-3 parts) to minimize the reduction in dimensional stability. Another significant advantage is its low viscosity, which means greater processing properties and lower heat accumulation conditions. The versatility of RDP is not only reflected in its main flame retardant effect but also in its potential as a multifunctional additive in the field of polymer processing.

 

Overall, Tetraphenyl Resorcinol Bis (diphenylphosphate) is a valuable solution in the field of engineering plastics, providing both flame retardant properties and enhanced processing characteristics, making for a strong and efficient manufacturing material in a variety of applications. Contribute to production.

For exact attributes, please refer to the Quality Analysis Instructions..

Physical appearance .................................. Amber/Yellow transport liquid

Phosphorus content, % wt .................................. 10.7

Specific Gravity @ 20°C .................................. 1.31

Viscosity @ 25°C, cPs .................................. 500

Acidity, mg KOH/g .................................. < 0.1

Water content, % wt .................................. < 0.05

Colour, APHA .................................. < 100

TGA 5% wt loss, deg °C .................................. 325

Prevent inhalation of vapors and mist. If the product comes into direct contact with your eyes or skin, promptly rinse with copious amounts of water and seek medical assistance. In the event of ingestion, rinse your mouth with water and seek immediate medical advice.

Always wear appropriate protective clothing, and be sure to refer to the material safety data sheet (MSDS) for this product before use.

The product is available in iso containers (max. 25 t), totes (1000 l), and drums (200 l / 55 US gal).

The product must be stored in a dry, cool area away from direct sun exposure and kept away from humidity and water contamination. Handle in accordance with good professional hygiene and safety procedures. Use in well-ventilated areas.

In case of spillage, absorb the substance with inert material and place it into a chemical waste container. To prevent spills from entering water supplies or water courses.

 

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