Low Mooney Fluoroelastomer
- Model
- 26202 26302
Item specifics
- Features
- Low Mooney viscosity
- Forms
- White or light-yellow flake
- Uses
- injection-molding O-rings; gaskets; extruded shapes; seals; sheets; tubes;
Review
Description
Flurine® 26202 and 26302 are low Mooney Fluoroelastomer, which is comprised of vinylidene fluoride (VF2) and hexafluoropropylene(HFP),
frequently used in many industries including automotive, fluid power, appliance and chemical industries. It has excellent flow ability.
It is resistant to oils, fuels, aliphatic series, aromatic hydrocarbons, lubricants, and most mineral acids.
General | |||||
|---|---|---|---|---|---|
Features | |||||
Uses | injection-molding O-rings; gaskets; extruded shapes; seals; sheets; tubes; parts with complicated profiles,Additives to reduce viscosity | ||||
Forms | White or light-yellow flake | ||||
Items | Typical Value | Test Method | |||
26202 | 26302 | ||||
Physical Properties | |||||
Fluorine Content（mass%） | 66 | 66 | |||
Density（g/cc） | 1.81~1.83 | 1.81~1.83 | ASTM D297 | ||
Mooney Viscosity | 20~29 | 30~42 | ASTM D1646 ML 1+10 at 121°C | ||
Water content | 0.15 | 0.15 | ASTM D 5668 | ||
Solubility | Soluble in lower ketones and esters | ||||
Vulcanization Properties | |||||
T10（s） | <170 | <140 | ASTM D5289 | ||
T90（s） | <280 | <240 | ASTM D5289 | ||
Mechanical Properties | |||||
Tensile strength（MPa） | 11.0 | 12.0 | ASTM D412 Method A | ||
100% Modulus | 4.2 | 4.5 | ASTM D412 Method A | ||
Elongation at Break（%） | 180 | 180 | ASTM D412 Method A | ||
Tearing Strength（KN/m） | 18 | 19 | ASTM D624 | ||
Hardness, Shore A | 78 | 77 | ASTM D2240, Type A | ||
Compression Set | 20 | 19 | 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 | ASTM D412 Method A | ||
Elongation at Break change rate(%) | -10 | -8 | ASTM D412 Method A | ||
Hardness change, Shore A | +1 | 0 | ASTM D2240, Type A | ||
Thermal Properties | |||||
Glass Transition Temp, Tg（℃） | -20 | -20 | ASTM D1329 | ||
Brittleness Temperature（℃） | -30 | -30 | ASTM D2137 | ||
Chemical resistance Properties | |||||
Resistance to liquids | 3 # standard oil | ||||
Volume change rate（%） | +2 | +2 | ASTM D471 72 hours at 150℃ | ||
Mass change rate（%） | +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 | ||||
