CPCL continue to contribute towards the skill development of students of Tamil Nadu Association of the Blind by conducting basic computer courses, PG Diploma Course in Computers Application, home management course including managing household activities, daily living skills, social & personal adjustment, Spoken Hindi, Spoken English, tailoring, etc. These skill development courses enable the students to be more productive & to work independently.
| S.N0. | Characteristics | Method No. | Requirement for Commercial | |||
| Butane | Butane-Propane mixture | Propane | ||||
| 1 | Density at 15°C,Kg/m3 | [P:76]/ISO3993
D 1657 |
Report | Report | Report | |
| 2 | Vapour pressure at 40°C, kPa, gauge, Max. | [P:71]/ASTM D 1267/D6897 | 520 | 1050
|
1550 | |
| 3 | Composition, Liquid volume percent
a) C2 Hydrocarbons b) C3 Hydrocarbons c) C4 Hydrocarbons d) C5 Hydrocarbons and heavier OR |
ASTM D 2163/
[P:151] |
— Report Report 2.5 Max |
Report Report Report 2.5 Max |
Report 95.0 Min 4.0 Max 0.2 Max
|
|
| Volatility: Evaporation temperature in °C for 95 percent by volume at 760 mm Hg pressure, Max. | ASTM D 1837-2011/[P:72] | 2.2 | 2.2 | -38.0 | ||
| 4 | Total Volatile Sulphur ppm, Max. | ASTM D 3246/D6667 | 140 | 140 | 150 | |
| 5 | Copper strip corrosion at 38°C for 1 h | ASTM D 1838 / [P:152]/ISO6251 | Not worse than No. 1 | |||
| 6 | Hydrogen Sulphide | ASTM D 2420/[P:73] | Pass the test | |||
| 7 | Moisture Content | – | — | — | Pass | |
| 8 | Free Water Content. | – | None | None | — | |
| 9 | Caustic test | Pass | Pass | Pass | ||
