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Feuilles et tiges PFA 450 HP
VUE D'ENSEMBLE des feuilles et tiges PFA 450 HP
Feuilles PFA 450 HP, tiges PFA 450 HP - Le fluoropolymère PFA 450 HP est une résine à usage spécial disponible en pastilles transparentes de 2,5 mm (0,1 po). Cette résine est une forme chimiquement modifiée de PFA 350 qui combine de nombreux avantages de la résine mère avec plusieurs nouveaux. Les avantages supplémentaires peuvent comprendre une pureté améliorée, une stabilité thermique améliorée pendant le traitement et une inertie chimique, par exemple, vis-à-vis des fluides ozonés. Semblable au PFA 350, cette résine a un débit relativement faible, une longue durée de vie en flexion et une résistance accrue à la fissuration sous contrainte environnementale par rapport à la plupart des autres grades de PFA.
La pureté améliorée du PFA 450 HP le rend adapté aux applications qui nécessitent une couleur améliorée, des fluorures extractibles inférieurs et l'absence d'autres matières étrangères. Ce produit ne contient aucun additif et est conçu pour les environnements chimiques hostiles où une pureté de l'ordre de la partie par milliard est nécessaire. Les exemples sont dans la fabrication de semi-conducteurs, les systèmes de manipulation de fluides pour l'industrie ou les sciences de la vie, et l'instrumentation pour des mesures précises de systèmes de fluides. Le PFA 450 HP est préféré lorsqu'un service prolongé est requis dans des environnements hostiles impliquant des contraintes chimiques, thermiques et mécaniques.
La stabilité thermique améliorée du PFA 450 HP entraîne une réduction des quantités de bulles dans les pièces finales et une diminution de la corrosion des équipements de traitement. Le PFA 450 HP combine la facilité de traitement des thermoplastiques conventionnels avec des propriétés similaires à celles du polytétrafluoroéthylène.
CARACTÉRISTIQUES ET AVANTAGES des feuilles et tiges PFA 450 HP
Feuilles PFA 450 HP, Barres PFA 450HP En situation de flamme, les produits en PFA 450 HP résistent à l'inflammation et ne favorisent pas eux-mêmes la propagation de la flamme. Lorsqu'ils sont enflammés par une flamme provenant d'autres sources, leur apport de chaleur est très faible et ajouté à un rythme lent avec très peu de fumée.
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