Application: EW-221 is produced by new process and ingredients. With improved physical performance, EW-221 is mainly used for wire & cable which require better stress crack resistance, industrial robots wire and I.V. Cannula etc.
|
NO. |
Item |
Unit |
Value |
Test Method |
|
1 |
Melt Flow Rate(MFR) |
g/10min |
4.1-8.0 |
ASTM D2116 |
|
2 |
Breaking Strength ≥ |
MPa |
25.0 |
ASTM D638 |
|
3 |
Elongation ≥ |
％ |
330 |
ASTM D638 |
|
4 |
Melting Point |
℃ |
255±10 |
ASTM D3418 |
|
5 |
Specific Gravity |
/ |
2.12-2.17 |
ASTM D792 |
|
6 |
Dielectric Constant(106Hz) ≤ |
/ |
2.15 |
ASTM D150 |
|
7 |
Dissipation Factor(106Hz) ≤ |
/ |
7.0x10-4 |
ASTM D150 |
|
8 |
MIT≥ |
Cycles |
40000 |
ASTM D2176 |
Recommended processing conditions
Extruding Machine Material:Extruding Machine L/D: 25:1-30:1 DRB: 0.95-1.05
Screw Compression Ratio: 3:1 Extrusion Speed: 20-40m/min
Equilibrium Ratio (DDR): 15-35
It is corrosive to most metals, and anti-corrosion materials are suggested for extruding machines, such as: HAC -276
Zone 1 (℃)
Zone 2 (℃)
Zone 3 (℃)
Flange (℃)
Head (℃)
Die (℃)
Cooling
260-280
280-300
320-340
350-365
365-375
365-375
Air/Water
Storage: Stored in clean, cool and dry places; avoid direct sunlight, moisture and dust.