group nameFluoroelastomer FKM
Min Order1 kilogram
brand nameZheflon PVDF & Flurine FKM Manufacturer
modelM228,M728,M928
payment methodT/T, L/C
update timeMon, 29 Apr 2024 03:05:20 GMT
Features Narrow molecular weight distribution
Uses Shaft seals, gaskets, O-rings, extruded shapes
Forms White or light-yellow flake
Min Order1 kilogram
General
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Features
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Narrow molecular weight distribution |
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Uses
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Shaft seals,gaskets,O-rings,Extruded shapes |
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Forms
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White or light-yellow flake |
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Items | Typical Value | Test Method | ||||||
M228 | M728 | M928 | ||||||
Physical Properties | ||||||||
Fluorine Content(mass%) | 66 | 66 | 66 | |||||
Density(g/cc | 1.78~1.84 | 1.78~1.84 | 1.78~1.84 | ASTM D297 | ||||
Mooney Viscosity | 20~45 | 60~85 | ≥100 | ASTM D1646 ML 1+10 at 121°C | ||||
Water content(%) | <0.15 | <0.15 | <0.15 | ASTM D 5668 | ||||
Vulcanization Properties | ||||||||
T10(s) | <110 | <90 | <70 | ASTM D5289 | ||||
T90(s) | <240 | <210 | <180 | ASTM D5289 | ||||
Mechanical Properties | ||||||||
Tensile strength(MPa) | 14.0 | 14.5 | 15.0 | ASTM D412 Method A | ||||
100% Modulus | 5.0 | 5.2 | 5.4 | STM D412 Method A | ||||
Elongation at Break(% | 190 | 180 | 170 | ASTM D412 Method A | ||||
Tearing Strength(KN/m) | 21 | 22 | 22 | ASTM D624 | ||||
Hardness, Shore A | 70~80 | 70~80 | 70~80 | ASTM D2240, Type A | ||||
Compression Set | 16 | 15 | 15 | ASTM D395, Test B 70 hours at 200℃ | ||||
Air-oven aging | ISO 188 After Dry Heat Aging;70 hours at 230℃ | |||||||
Tensile strength change rate(%) | -10 | -8 | -5 | ASTM D412 Method A | ||||
Elongation at Break change rate(%) | -8 | -6 | -6 | ASTM D412 Method A | ||||
Hardness change, Shore A | -1 | -1 | -1 | ASTM D2240, Type A | ||||
Thermal Properties | ||||||||
TR10(℃) | -17 | -17 | -17 | ASTM D1329 | ||||
Brittleness Temperature(℃) | -30 | -30 | -30 | ASTM D2137 | ||||
Chemical resistance Properties | ||||||||
Resistance to liquids | 3 # standard oil | |||||||
Volume change rate(%) | +2 | +2 | +1 | ASTM D471 72 hours at 150℃ | ||||
Mass change rate(%) | +1 | +1 | +1 | ASTM D471 72 hours at 150℃ | ||||
Formulation | Curing condition | |||||||
Polymer 100 MT carbon black,N990 30 Calcium hydroxide 6 Magnesium oxide 3 Fluorocure-5# 2.5 | Press | Oven | ||||||
6min at 177°C | 24h at 230°C |
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