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Oil Seals/Shaft Seals/Bonding Application Copolymer Precompounds
Description: Fluorocarbon elastic rubber have good low temperature and high temperature resistance properties, it can work well in -20 degree to 250 degree.
Fluorine rubber also have good oil resistance( no.1, no.3,kerosene etc), excellent chemical resistance weather resistance electrical insulating and radio resistance.
It’s a common material for the oil seal/shaft seal.
NBR and FKM are most general materials, let`s see what is the difference for those two materials:
NBR rubber:
NBR advantage: price is cheap oil resistance property is good.
NBR disadvantage: poor performance of weather, ozone resistance, phosphate ester and hydraulic.
NBR working temperature: -40-110 degree
FKM rubber:
23 and 246 are very welcomed because of the higher cost performance.
FKM advantages: excellent oil resistance, heat resistance, weather resistance, ozone resistance and small permeability.
Working temperature: -20 to 250 degree.
FKM metal bonding material: copper, aluminum, iron, stainless steel and electroplating parts etc.
Fluoroelastomer metal bonding agent suggestion:
Chemnitz Lo>Rohm and Haas: 3289-1,300& 301
SIKO:SLC22
Typical Property data sheet
| Grade
| Polymer properties | Mechanical Properties | Description / Features | Typical Uses | |||||||
| Viscosity | Color | Gravity | Fluorine Content | TR10 | Tensile | Elongation | Hardness | Compression Set | |||
| ML(1+10)@121℃ | g/cm3 | % | ℃ | Mpa | % | Shore A | ASTM D395 Method B(70hrs@200C) | ||||
| Oil Seals/Shaft Seals/Bonding Application Copolymer Precompounds | |||||||||||
| ESC361P | 30 | White | 1.82 | 66 | -17 | 14.5 | 230 | 77 | 20 | Excellent mold flow,tear resistance,bonding to metal property | Oil seals shaft seals,stem seals and complicated geometries |
| ESC461P | 42 | White | 1.81 | 66 | -17 | 15.5 | 260 | 75 | 20 | Better tear resistance and exellent metal bonding propertty | Oil seals shaft seals,value stem seals |
| Oil Seals/Shaft Seals/Bonding Application terpolymer Precompounds | |||||||||||
| ESC651P | 60 | White | 1.86 | 68 | -13 | 15 | 270 | 77 | 31 | Good hot tear resistance,mould flow and metal bonding properties | Multi-purpose,oil seals,shaft seals,complicated geometries |
| ESB361P | 30 | White | 1.86 | 68 | -13 | 15.7 | 265 | 78 | 26 | Good tear resistance, and excellent metal bonding properties | Oil seals, shaft seals, value stem seals. |
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