White elastomer Fluororubber DYF26 Series

short description:


Fluororubber(DYF26 Series),called 2# rubber,white elastomer,It is Vinylidene Fluoride and Hexafluoropropylene’s copolymer.It content more than 66% fluorine.Fluororubber(DYF26 Series) products produced by sulfide,it have excellent mechanical property,excellent oil resistant(Many kinds of fuel oil,synthetic oil,lubricating oil) and high heat resistance,It is the most indispensable material of Hyundai Aviation,rocket,missiles,aerospace flight and other cutting-edge science and technology and other industries.

Product Detail


Product Tags

Typital Properties

Item Unit DYF2601 DYF2602 DYF2603 DYF2604
Rubber  Appearance  White / Light Yellow rubber
 Relative density g/cm³ 1.80-1.84 1.80-1.84 1.80-1.84 1.80-1.84
 Moisture % 0.1 0.1 0.1 0.1
Mooney viscosity[ML(1+10),121) - 10-40 41-60 61-100 101-200
Vulcanized Rubber EN Compression Set(200℃, 70h) % 25 25 25 25
Tensile strength MPa 11 11 11 11
Percentage of breaking elongation % 150 150 150 150
Hardness SauerA 70-80 70-80 70-80 70-80
Characteristic  Low Mooney viscosity,Polymer has good rheological properties Middle mooney viscosity Middle-high mooney viscosity,Good ductility and malleability High mooney viscosity,High mightiness  
Application  High mooney viscosity rubber,reduce viscosity additive,0 ring, Anti-extrusion part of synthetic products  

  • Compression molding,Injection-compression,injection mouldingO ring,Extruded hose etc.
 Mixing diaphragm,Oil seal,Squeeze type hose etc. Injection Moldings components,Processing systems oil seal etc.

Note:In the identification formula, bisphenol AF curing agent is used for vulcanization test


It is widely used on heat-resistance,fuel resistance(aviation fuel, automobile fuel), gasoline-proof grease
(various of synthetic oils), fluid resistance (various of non-polar solvents), corrosion resistance (acid, alkali), strong oxidant resistance (Sulfur trioxide, etc.), ozone resistance, radiation resistance,
In the case of atmospheric aging, make gaskets, gaskets, O-rings, V-shaped bodies, skeleton oil seals, diaphragms, hoses, cable sheaths, insulation cloths, valves, expansion joints, rubber rollers, coatings, paste room temperature vulcanization Putty etc.

Package, Transport and Store

1.Fluororubber store in clean,dry,cool warehouse.It is non-hazardous chemicals,pls far away from pollution, sunshine and water.

2.The product storage period one year since the productions.If beyond storage,it can according to our company standard to test it,if it is ok,then it can continue use it.


★ Fluororubber have good heat stability under 260℃;If keep long time between 260℃ and 300℃,it will micro-decomposition;More than 320℃,the product will decompose very fast and the decomposition product are toxic hydrogen fluoride and fluorocarbon Organic compound.When fluororubber encounters flame, it will also releases toxic hydrogen fluoride and fluorocarbon organic compounds.

★ Fluororubber can not mix with metal powder(Al powder,MG powder etc.) or more than 10% Amine compound,otherwise it will react violently with fluorine rubber due to some elements,rubber material temperature will rose rapidly,then it will take big damage to mixing equipment and operator.

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