TECHNICAL SPECIFICATION OF HIGH DENSITY POLYTHENE (HDPE) FILM/SHEET
TEST METHOD : IS:10889/2004 With upto date Amendments, GRADE OF FILM : GRADE 1 |
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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,batch no.& grade |
| 4. |
Odour |
Comply |
Comply |
Comply |
Comply |
Comply |
Comply |
Comply |
Film shall be Free from any objectionable odour |
| 5. |
Density at 27°C, Kg/m³ |
944 |
944 |
944 |
944 |
944 |
944 |
944 |
940.0 - 952.4 |
| 6. |
Melt Flow Index Gm/10 Minute |
0.6 |
0.6 |
0.6 |
0.6 |
0.6 |
0.6 |
0.6 |
0.20 - 0.80 |
| 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 |
Satisfactory |
Satisfactory |
Satisfactory |
Satisfactory |
Satisfactory |
Satisfactory |
Satisfactory |
Dispersion of Carbon black shall be satisfactory |
| 9. |
Tensile Strength at Break Kg/cm2 |
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| Min M.D. |
300 |
| Min T.D. |
250 |
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| 10. |
% Elongation at Break |
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| Min M.D. |
300 |
| Min T.D. |
300 |
|
| 11. |
High Impact Resistance |
Pass |
Pass |
Pass |
Pass |
Pass |
Pass |
Pass |
F50 gf |
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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 HDPE 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 |
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 |
> 0.94 |
> 0.94 |
> 0.94 |
> 0.94 |
| 4. |
Tensile properties
(Each Direction)
Strength at yield
Strength at break
Elongation at yield
Elongation at break |
| ASTM D-638 |
| Type IV |
| Specimen at |
| 50mm/min |
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| 5. |
Tear Resistance |
ASTM D-1004 |
N |
93 |
125 |
187 |
249 |
| 6. |
Puncture Resistance |
ASTMD-4833 |
N |
240 |
320 |
480 |
640 |
| 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. |
ESCR |
ASTM D-1693 |
Hrs. |
> 2000 |
> 2000 |
> 2000 |
> 2000 |
| 12. |
Low Temperature Brittleness |
ASTM D-746 |
°C |
< -70 |
< -70 |
< -70 |
< -70 |
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| Note: - 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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