Write test specifications
Tungsten carbide balls for gel tips
| Sr. No. |
Item |
Obi/Obg |
Gel |
| 01 |
ISO STANDARD |
12757 - 1 & 2 : 1998(E) |
14145 - 1 & 2 : 1998(E) |
| 02 |
WRITE-TEST MACHINE |
HUTT HST10 |
HUTT HST10 |
| 03 |
WRITING SPEED |
9.00 mtrs/min |
4.50 mtrs /min |
| 04 |
WRITING ANGLE |
70° |
65° |
| 05 |
EFFECTIVE WEIGHT |
110 gms |
80 gms |
| 06 |
AXIAL ROTATION |
11.00 mtrs/rev |
6.75 mtrs/rev |
| 07 |
PAPER |
ISO 12757 |
ISO 14145 |
| 08 |
PAPER SPEED |
50 mm/min |
50 mm/min |
| 09 |
TEMPERATURE |
25°C to 27°C |
25°C to 27°C |
| 10 |
RELATIVE HUMIDITY |
50% to 60% |
50% to 60% |
