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Merck

665800

Sigma-Aldrich

Polytetrafluoroethylene preparation

60 wt % dispersion in H2O

Sinónimos:

PTFE

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About This Item

Fórmula lineal:
(CF2CF2)n
Número de CAS:
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23

Quality Level

concentration

60 wt % dispersion in H2O

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General description

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.

Application

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.

Features and Benefits

  • High chemical resistivity
  • Low coefficient of friction
  • Flexibility
  • High thermal stability

pictograms

Corrosion

signalword

Danger

hcodes

Hazard Classifications

Eye Dam. 1

Storage Class

10 - Combustible liquids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter


Certificados de análisis (COA)

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How to Start a Polytetrafluoroethylene (PTFE) Business (Beginners Guide) null
Marco A Costa et al.
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John W Myers et al.
The Journal of thoracic and cardiovascular surgery, 147(2), 672-677 (2013-11-21)
To evaluate outcomes of systemic to pulmonary artery shunts (SPS) in patients weighing less than 3 kg with regard to shunt type, shunt size, and surgical approach. Patients weighing less than 3 kg who underwent modified Blalock-Taussig or central shunts
Rupali N Shah et al.
The Laryngoscope, 123(7), 1742-1745 (2013-02-19)
Nonparalytic glottic incompetence (GI) encompasses a variety of laryngeal pathologies, and vocal outcome data for this group is limited. We report a subgroup analysis of validated, subjective, and perceptual voice outcome measures: voice-related quality of life (VRQOL), Glottal Function Index
Marcel Ander et al.
PLoS biology, 13(8), e1002213-e1002213 (2015-08-14)
Repair of DNA breaks by single-strand annealing (SSA) is a major mechanism for the maintenance of genomic integrity. SSA is promoted by proteins (single-strand-annealing proteins [SSAPs]), such as eukaryotic RAD52 and λ phage Redβ. These proteins use a short single-stranded

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