Ethylene-tetrafluoroethylene Copolymer Pellet

Ethylene-tetrafluoroethylene, also known as ETFE, is one of the strongest fluorine plastics with good mechanical properties, weather resistance, flame retardant, gas barrier properties and chemical resistance. In addition to the similar properties like other fluorine resins, it also shows good radiation resistance, strong adhesion with metal surface, and is lighter than other fluorinated materials. ETFE can be produced in two forms: powder and pellet, and processed by electrostatic powder coating or rotomolding, extrusion molding, injection molding, etc. Moulding parts include lining, thin film, tube, wires, etc. and can be widely applied in chemical industry, agriculture, architecture, electronics, automobile, military, aerospace, nuclear industry and so on.

 

Table 1. Grades of ETFE Pellet

Grade

MFRg/10minASTM D1238

Molding Method

Application

DH401

0.8-2.0

Molding

Mainly for heat shrinkable tube, lining, cable insulation.

DH402

2.1-4.0

Extrusion Molding

Mainly for cable insulation and thin-walled tubes.

DH403A

4.1-8.0

Extrusion Molding

Mainly for cable insulation, pipes, plates, films.

DH403B

8.1-12.0

Extrusion Molding, Injectiong Molding

Mainly for cable insulation, injection molded parts, pipes, plates, films.

DH408A

12.1-16.0

Extrusion Molding, Injectiong Molding

DH408B

16.1-20.0

Extrusion Molding, Injectiong Molding

DH408C

20.1-24.0

Extrusion Molding, Injectiong Molding

DH408D

24.0

Extrusion Molding, Injectiong Molding

Mainly for thin-walled sheathed wires, cross-linked cables, pipes, plates, films

 

Table 2. Properties of ETFE Pellet

Property

Unit

Method

DH401DH402DH403ADH403BDH408ADH408BDH408CDH408D

Appearance

---

---

Transparent pellets, without impurities such as metal shavings and sand particles. The percentage of particles containing visible black spots is less than 1%.

Specific Gravity

g/cm3

ASTM D792

170-1.82

Tensile Strength

MPa

ASTM D638

30

Elongation

%

ASTM D638

300

Flexural Modulus

MPa

ASTM D790

20-30

Flexural Strength

MPa

ASTM D790

800-1000

Izod Impact Strength

(23℃)

Ft-lb/in

HG/T 2904—1997

No Break

Hardness

°/Shore D

GB/T 2411-2008

≥50

Melting Point

°C

DSC

220-270

Oxygen Index

%

GB/T 2406.2-2009

32

Flammability

----

UL94V

V-0

Dielectric Constant

----

ASTM D150

106

2.4

Dielectric Loss

---

ASTM D150

106

0.008

 

Packing

1. ETFE pellet product ,Single layer bag, 25Kg/bag.

 

Notes

1. When dealing with ETFE powder for deep processing, operators must wear protective cloth and mask to avoid potential safety hazards, such as inhalation of toxic gas, or hurt by high temperature. No open flame and smoking in workplace. Exhaust devices should be installed.

2. Once opened, unused product should be repacked to avoid any dust or contamination.

3. The product should be stored in cool ventilated place and away from fire source and heat source.

4. It should also be prevented against sunlight and moisture, kept in upright position and handled with great care.

5. Product waste must be handled properly following local laws and regulations.