|
PROPERTIES |
TEST METHOD |
VALUES FPS UNITS |
TEST METHOD |
VALUES METRIC UNITS |
| SPECIFIC GRAVITY | DIN 53508 | 0.98 ± 0.05 | ASTM D297 | 0.98 ± 0.05 |
| HARDNESS | DIN 53505 | 38 ± 5 SH A | ASTM D2240 | 38 ± 5 SH A |
| TENSILE STRENGTH (KG/CM2) | DIN 53504 | 2986 PSI | ASTM D412 | 240 KG/CM2 |
| ELONGATION AT BREAK ( MIN ) | DIN 53504 | 810% | ASTM D412 | 810% |
| ABRASION RESISTANCE ( MAX ) | DIN 53516 | 80 MM3 | ASTM D5963 | 80 MM3 |
| COMPRESSION SET (70 ºC/24 HRS/25% SET) (MAX) | DIN 53517 | 15 % | ASTM D395 METHOD | 15 % |
| POLYMER CONTENT (%) | 100 | 100 | ||
| TEAR RESISTANCE ( ANGULAR ) MIN | DIN 53515 | 224 LBS/INCH | ASTM D624 | 40 KG/CM |
| RESILIENCE | 75% | 75% | ||
| CHANGE IN PROPERTIES | ||||
| HEAT AGEING ( 72 HRS. AT 70ºC ) | ASTM D573 | |||
| — HARDNESS (PTS) | + 3 (MAX) | + 3 (MAX) | ||
| — TENSILE STRENGTH (%) | +10 / – 15 | +10 / – 15 | ||
| — ELONGATION AT BREAK (%) | +10 / – 15 | +10 / – 15 | ||
| FOOD GRADE COMPLIANCE | US FDA 21 CFR 177.2600 | YES | YES | |
| CHEMICAL RESISTANCE | ||||
| — OZONE | FAIR | FAIR | ||
| — DILUTE ACIDS AND BASES | GOOD | GOOD | ||
| — CONCENTRATED ACIDS AND BASES | NOT RECOMMENDED | NOT RECOMMENDED | ||
| — OILS | NOT RECOMMENDED | NOT RECOMMENDED | ||
| — SOLVENTS | NOT RECOMMENDED | NOT RECOMMENDED | ||
| TEMPERATURE RANGE | -30º TO + 70º C | -30º TO + 70º C | ||
| COLOUR | WHITE – RAL 9001 | |||
| SR. NO. | NAME OF PARAMETER | RESULT | UNIT | MAX LIMIT | TEST METHOD |
| 1 | n-Hexane Extract for first 7 Hrs. | 29.5 | mg/inch²
|
175mg/inch²
|
Limit and test method as per US-FDA 21.CFR.177.2600 |
| 2 | n-Hexane Extract for
succeeding 2 Hrs |
3.50 | mg/inch²
|
4mg/inch²
|
|
| 3 | Distilled Water Extract for first 7 Hrs | 1.3 | mg/inch²
|
20mg/inch²
|
|
| 4 | Distilled Water Extract for succeeding 2 Hrs | 0.60 | mg/inch²
|
1mg/inch²
|
Notes:
- For Sr. No1 & 2 sample extracted with n-Hexane at reflux temperature.
- For SR. No. 3 7 4 sample extracted with distilled water at reflux temperature