Flamtard H (zinc hydroxystannate) flame retardant synergist inhibits the development of flames and smoke, and is safe for human health and the environment. Flamtard H is a zinc hydroxystannate that has both a condensed phase and vapour phase action during the rapid degradation of polyvinyl chloride and polymer materials containing halogenated and antimony additives. In halogen-free flame retardant polymer materials it can act to increase the char consistency and strength.

Flamtard H (zinc hydroxystannate) is insoluble in water and releases 15w% of water starting at 220 °C. At higher temperatures (400 °C - 600 °C), zinc and tin ions can be volatilised or liberated from their structure to exert catalytic activity. Flamtard H (zinc hydroxystannate) is part of a family of n-type wide bandgap semiconductors with a high concentration of free electrons in the conduction band, thus leading to high optical transmissions in combination with electrical conductivity. 

 

 


Chemical name Zinc hydroxystannate Chemical formula ZnSnO3.3H2O or ZnSn(OH)6
Molecular weight 286.15 C.A.S. number 12027-96-2

Applications

William Blythe’s Flamtard H (zinc hydroxystannate) is ideal for use in applications such as:

Coating Additives

  • Smoke suppressant and flame retardant synergist for flame retardant paints.
  • Transparent conductive oxide used in the manufacture of films for solar cells, touch screens, and energy efficient glass.

Polymer Additives

  • Smoke suppressant and flame retardant synergist with co-flame retardants. For polymer processing at temperatures below 220°C.
  • Co-additive in phosphate flame retardant containing polymer formulations to optimise char formation.

Process Chemicals

  • Solid lubricant additive in friction materials.


Product forms

William Blythe’s Flamtard H (zinc hydroxystannate) is available as a powder in both standard and free-flowing grades.

Contact us today for more information

Contact us today for more information on any aspect of William Blythe.

home » Markets » Polymer Additives » Flamtard H


so they are extremely durable and stable. Owing to 300 meters waterproofness, and blued steel hands.The silver face from the fake Hublot Longines Master watch price signifies the elegant solution of integrating all its signs, but Breitling wanted it otherwise. Maybe to ensure that you can also be much like Scott Contractor aboard the cramped " I really hope I survive this" space capsule. Id have loved to determine the waivers NASA had him register 1962 about how exactly they is going to do everything easy to keep him alive.