DAI-EL G-558ES

Identification & Functionality

Chemical Family

Fluoropolymers

Polymer Name

Fluoroelastomer (FKM)

Technologies

Elastomers

Product Families

Elastomers — Specialty Elastomers

Fluoroelastomers

Features & Benefits

Materials Features

Excellent Fuel Resistance,

Good Adhesion,

Good Processability,

Odorless

Product Highlights

• DAI-EL G-558ES is a bisphenol type cure-incorporated terpolymer of vinylidene fluoride, tetrafluoroethyleneand hexafluoropropylene which has excellent extrusion processability.
• It offers excellent fuel resistance and adhesion property to other material. It is suitable for fuel hoses.

Applications & Uses

Markets

Automotive & Transportation,

Industrial

Applications

Automotive & Transportation — Automotive

Fuel Systems,

Powertrain & UTH

Industrial — Chemical & Industrial Manufacturing

Equipment & Parts

Cure Method

Chemical Cure

Plastics & Elastomers End Uses

Automotive Fuel Lines,

Fuel Hose,

O Rings

Plastics & Elastomers Processing Methods

Extrusion

Properties

Physical Form

Sheets,

Solid

Soluble in

Lower ketones and esters

Physical Properties

	Value	Units	Test Method / Conditions
Fluorine Content	69	mass%	—
Mooney Viscosity (ML₁₊₁₀) (at 100°C)	41	MU	ASTM D1646
Mooney Viscosity (ML₁₊₁₀) (at 121°C)	32	MU	ASTM D1646
Specific Gravity (at 23°C)	1.87	—	ASTM D792

Physical Properties of Vulcanizate

	Value	Units	Test Method / Conditions
100% Tensile Stress*²	2.9	MPa	ASTM D412
Compression Set (at 200°C,70 hours, 25% Compression*³)*²	36	%	—
Elongation (at break)*²	310	%	ASTM D412
Hardness (at 3sec)*²	62	Shore A	ASTM D2240
Hardness (at peak)*²	68	Shore A	ASTM D2240
Low Temperature Retraction (TR10)*²	-13	°C	ASTM D1329
Tensile Strength*²	11.1	MPa	ASTM D412

Note

• *¹ The above values are representative and not guaranteed.
• 2 [Formula] DAI-EL G-558ES: 100 phr, SRF carbon black (N774): 13 phr, Calcium hydroxide: 6 phr, Magnesium Oxide (high-active): 3 phr, [Curing condition] Press cure: 15min at 170°C.
• *3 P-24 O-ring.

Safety & Health

Handling / 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 purposes 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

20 Kg