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DAI-EL G-7401, available in solid form, exhibits scorch resistance, a good compression set, fluidity, and is odorless. Tailored for automotive and industrial applications, it finds use in fuel entrance cover seals and O rings. Soluble in lower ketones and esters, this product utilizes injection molding processing methods.

Polymer Name: Fluoroelastomer (FKM)

Processing Methods: Injection Molding

Features: Good Compression Set, Good Fluidity, Odorless, Scorch Resistant

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Identification & Functionality

Chemical Family
Technologies

Features & Benefits

Product Benefits
  • DAI-EL G-7401 is a cure-incorporated copolymer of vinylidene fluoride and hexafluoropropylene which is suitable for injection molding with good fluidity of mold.
  • It provides excellent scorch resistance and compression set.

Applications & Uses

Plastics & Elastomers End Uses
Plastics & Elastomers Processing Methods

Properties

Physical Form
Soluble in
Lower ketones and esters
Physical Properties
ValueUnitsTest Method / Conditions
Compression Set (at 200°C,70 hours, 25% Compression*³)10%
Elongation (at break)210%ASTM D412
Fluorine Content66mass%
Hardness (at 3 sec)68Shore AASTM D2240
Hardness (at Peak)72Shore AASTM D2240
Low Temperature Retraction (TR10)-18°CASTM D1329
Mooney Viscosity (ML₁₊₁₀) (at 100°C)67MUASTM D1646
Mooney Viscosity (ML₁₊₁₀) (at 121°C)41MUASTM D1646
Specific Gravity (at 23°C)1.81ASTM D792
Tensile Strength13MPaASTM D412
Physical Properties of Vulcanizate
ValueUnitsTest Method / Conditions
100% Tensile Stress*²4.4MPaASTM D412
Note
  • *1 The above values are representative and not guaranteed.
  • *2 [Formula] DAI-EL G-7401: 100 phr, MT carbon black (N990): 20 phr, Calcium hydroxide: 6 phr, Magnesium Oxide (high-active): 3 phr, [Curing condition] Press cure: 10min@170°C, Post cure: 24hrs@230°C.
  • *3 P-24 O-ring.

Safety & Health

Handling Method / Safety Information
  • Be sure to read the Safety Data Sheet (SDS) and precautions on the label before using.
  • This product has been developed for industrial purpose and we shall not guarantee the safety if used for any other purposes. If it is going to be used for medical or food applications, please contact us in advance.

Packaging & Availability

Packing Specification

20Kg