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Polymer & Engineering Compounds
|| VINYL || FLEX || PLENE || BATCH || XL || VA
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XLPE COMPOUNDS
KLJ XL, XLPE Compounds are moisture curable, silane crosslinkable polyethylene compounds used for cable. These compounds have excellent extrudability at high output rates, suitable for high temperature resistance and better current carrying capacity with suitability for LT and HT (under development) applications.

SPECIFICATION KLJ-XL01 WITH KLJ-XLMB

S. No.

characteristics
units test method grafted polymer
01

Specific Gravity

---
ASTM D792
0.92±0.01
02

Tensile Strength (Min)

Mpa
IS 10810 P-7 /IEC 60502
17
03

Elongation at Break (Min)

%
IS 10810 P-7 /IEC 60502
500
  Variation in Properties after Aging     

@ 135 ± 2oC/ 7 Days

04

Hot Set @200°C / 15 Minutes Load 20N/cm2 (Max.)

%
IS 10810 P-30
/IEC 60502
125
05

Permanent Elongation (Set) after cooling (Max.)

%
IS 10810 P-30
/IEC 60502
10
06

Gel Content

%
ASTM D2765
70±5
07

Volume Resistivity @ 27°C (Min.)

Ohm-Cm
IS : 3396
1 X 10 15  
08

Power Factor at 50 Hz at 23ºC

---
IEC 250/ASTM-D-150
---
09

Permitivity at 50 Hz at 23ºC

---
IEC 250/ASTM-D-150
---
10

Dielectric Strength at 20ºC

Kv/mm
IEC 243/ASTM-D-149
---
11

Cold Bend Temperature

°C
BS 2782 (Method 104A)
---
12

Tensile Strength

%
IS :10810 P-11/
IEC 60502
±20
13

Elongation at Break

%
IS :10810 P-11/
IEC 60502
±20

14

Moisture Content (Max)

%

ASTM D 6980 0.02

15

Surface Finish   KLJ-TM Smooth

Note:-

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The above specifications meets all the requirements of IS:7098
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Material is moisture sensitive, hence to be stored in a cool & dry place.
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The above properties are achieved by mixing KLJ-XL01 & KLJ-XLMB (Catalyst) material in recommended ratio of 95:5 and extruding & curing.
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Shelf life recommended is about 4 Months in Polymer Liner Bags and 9 Months in Aluminium Liner Bags.Loose bags should not be stored.

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All above tests are on 1.3-1.7mm strip/extruded sheet of the grafted polymer and cured in boiling water for 3 Hours for mechanical properties & for 8 Hours for gel content.

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As a guideline, following temperature profiles is recommended.
a. Barrel Zone : 130-190°C
b. Die/Head : 200-210°C

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It is recommended that coloured master batches used should be thoroughly dried. The temperature profile will vary slightly depending upon type,design & output of extruder. Screen pack of 40 & 100 mesh is recommended.

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Packing :
a. Graft Polymer : Nett 25 Kg in Polyethylene lined HDPE laminated Polypropylene Bag.
b. Catalyst M.B. : Nett 25 kg in Polyethylene lined coloured HDPE laminated Polypropylene Bag.

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