TECHNICAL SPECIFICATION OF WIDE WIDTH LOW DENSITY POLYTHENE (LDPE) FILM/SHEET
GRADE OF FILM : 030, (HEAVY DUTY AND HIGH IMPACT) FLAT SHEET OF WIDTH UPTO 12.0 MTR. TEST METHOD : IS:2508/2016 WITH AMNDT.NO 1,2 & 3
 
Sr. No. Name of Test Nominal Values Specified Value
1. Thickness, Micron 100 150 200 250 300 400 500  
2. Tolerance on thickness % +/- -10% -10% -10% -10% -10% -10% -10% +/-20%
3. Visual Appearance & Marking Satisfac-tory Satisfac-tory Satisfac-tory Satisfac-tory Satisfac-tory Satisfac-tory Satisfac-tory Film shall be Uniform In Colour,Texture & Finish,Substantially Free From Pin Holes,& Undispersed Raw Materials, Streaks & Particles Of Foreign Matter,no other visible defects such as melt fracture,holes,tears or blisters. &Marking as per resp. size,Grade & Batch no.
4. Odour Comply Comply Comply Comply Comply Comply Comply Free from any objectionable odour
5. Density at 27°C, Gm/cc 0.930 0.930 0.930 0.930 0.930 0.930 0.930 0.922 - 0.937
6. Melt Flow Index Gm/10 Minute 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.10 - 15.0
7. % Carbon Black Content 2.55 2.55 2.55 2.55 2.55 2.55 2.55 2.5+/ - 0.5
8. Carbon Black Dispersion Satisfac-tory Satisfac-tory Satisfac-tory Satisfac-tory Satisfac-tory Satisfac-tory Satisfac-tory Dispersion of Carbon black shall be satisfactory
9. Tensile Strength at Break Kg/cm2
M.D. 174
T.D. 165
M.D. 183
T.D. 174
M.D. 188
T.D. 178
M.D. 197
T.D. 187
M.D. 206
T.D. 193
M.D. 214
T.D. 204
M.D. 227
T.D. 216
Min M.D. 140
Min T.D. 110
10. % Elongation at Break
M.D. 520
T.D. 610
M.D. 540
T.D. 630
M.D. 560
T.D. 650
M.D. 570
T.D. 690
M.D. 580
T.D. 710
M.D. 590
T.D. 730
M.D. 600
T.D. 740
Min M.D. 200
Min T.D. 400
11. High Impact Resistance Pass ≥ 165 Pass ≥ 255 Pass ≥ 340 Pass ≥ 425 Pass ≥ 510 Pass ≥ 680 Pass ≥ 850 F50 gf
12. Tear Resistance (Elmendort) Gms.
M.D. 1100
T.D. 1300
M.D. 1300
T.D. 1600
M.D. 1550
T.D. 1950
M.D. 1850
T.D. 2350
M.D. 2250
T.D. 2800
M.D. 2500
T.D. 2800
M.D. 2850
T.D. 3250
(As per customer requirement)
 
M.D. : Machine Direction T.D. : Transverse Direction
 
REMARK : Higher Test Values in one or more tests can be made available on Special Request as per requirement of the Customer.
 
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SPECIFICATION FOR LLDPE LINER / GEOMEMBRANE
(Both side Smooth)
 
Sr. No. Property Test Method Unit Nominal Values
0.75 mm 1.0 MM 1.5MM 2.0MM
1.

Thickness (min. avg.) Lowest Individual value

ASTM D-5199 MM 0.75
0.68
1.0
0.90
1.50
1.35
2.0
1.80
2.

Melt Flow Index

ASTM D-1238
(Cond. E)

g/10min ≤1.0 ≤ 1.0 ≤ 1.0 ≤ 1.0
3. Sheet Density ASTM D-1505/792 Gms/cc ≤ 0.939 ≤ 0.939 ≤ 0.939 ≤ 0.939
4.

Tensile properties
(Each Direction)
Strength at break
Elongation at break

ASTM D-638
Type IV
Specimen at
50mm/min

 

 
 
N/mm
%

 

 
 
≥20
≥800
 
 
≥27
≥800
 
 
≥40
≥800
 
 
≥53
≥800
5. Tear Resistance ASTM D-1004 N 70 100 150 200
6. Puncture Resistance ASTMD-4833 N 190 250 370 500
7. Carbon Black Content ASTM D-1603 % 2-3 2-3 2-3 2-3
8. Carbon Black Dispersion ASTM D-3015/5596 Satisfactory Satisfactory Satisfactory Satisfactory Satisfactory
9. Dimensional Stability ASTM D-1204 %. ±2 ±2 ±2 ±2
10. Oxidation Induction Time ASTM D-3895 Min. >100 >100 >100 >100
11. Low Temperature Brittleness ASTM D-746 °C < -68 < -68 < -68 < -68
12. ESCR ASTM D-1693 Hrs. > 2000 > 2000 > 2000 > 2000
 
Note:1 - 11 & 12 Test carried at the Raw Material Stage only and Manufacturer TC is acceptable, test at Final Product
not required.