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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 |
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Sr. No. |
Name of Test |
Nominal Values |
Specified Value |
1. |
Thickness, Micron |
100 |
150 |
200 |
250 |
300 |
400 |
500 |
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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 |
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Min M.D. |
140 |
Min T.D. |
110 |
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10. |
% Elongation at Break |
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Min M.D. |
200 |
Min T.D. |
400 |
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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. |
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(As per customer requirement) |
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M.D. : Machine Direction T.D. : Transverse Direction |
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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) |
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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
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ASTM D-5199 |
MM |
0.75 0.68 |
1.0 0.90 |
1.50 1.35 |
2.0 1.80 |
2. |
Melt Flow Index
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ASTM D-1238 (Cond. E)
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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
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ASTM D-638 |
Type IV |
Specimen at |
50mm/min |
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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 |
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Note:1 - 11 & 12 Test carried at the Raw Material Stage only and Manufacturer TC is acceptable, test at Final Product not required. |
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