665800
Polytetrafluoroethylene preparation
60 wt % dispersion in H2O
Sinonimo/i:
PTFE
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About This Item
Formula condensata:
(CF2CF2)n
Numero CAS:
Numero MDL:
Codice UNSPSC:
12162002
ID PubChem:
NACRES:
NA.23
Prodotti consigliati
![Poly[4,5-difluoro-2,2-bis(trifluoromethyl)-1,3-dioxole-co-tetrafluoroethylene] dioxole 87 mol %](/deepweb/assets/sigmaaldrich/product/structures/951/320/21327fcd-4960-402d-8ae1-bf2e379cb2e2/640/21327fcd-4960-402d-8ae1-bf2e379cb2e2.png)
Concentrazione
60 wt % dispersion in H2O
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Descrizione generale
PTFE is a synthetic fluropolymer of tetrafluoroethylene. It is a fluorocarbon solid, as it is a high molecular weight compound consisting wholly of carbon and fluorine. PTFE is hydrophobic in nature, it also has the lowest coefficient of friction against any solid.
Applicazioni
Owing to its chemical inertness and hydrophobicity, PTFE is widely used in surgical meshes, stents, grafts, and scaffolds for ligament repair. For example, expanded PTFE can be used to prepare vascular grafts.
The invariance of the dielectric constant over a wide frequency range and the high dielectric strength of PTFE makes it a suitable material for cable insulation and high-temperature energy storage application.
It can also be employed as an easy-cleaning, chemically inert, and non-stick coating in food, chemical and pharmaceutical industries.
The invariance of the dielectric constant over a wide frequency range and the high dielectric strength of PTFE makes it a suitable material for cable insulation and high-temperature energy storage application.
It can also be employed as an easy-cleaning, chemically inert, and non-stick coating in food, chemical and pharmaceutical industries.
Caratteristiche e vantaggi
- High chemical resistivity
- Low coefficient of friction
- Flexibility
- High thermal stability
Avvertenze
Danger
Indicazioni di pericolo
Consigli di prudenza
Classi di pericolo
Eye Dam. 1
Codice della classe di stoccaggio
10 - Combustible liquids
Classe di pericolosità dell'acqua (WGK)
WGK 3
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
Dispositivi di protezione individuale
Eyeshields, Gloves, type ABEK (EN14387) respirator filter
Certificati d'analisi (COA)
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