Crt |
Characteristics |
U.M. | Imposed value | ||
Type 1 | Type 2 | ||||
1 | Tensile strenght; min | daN/cm2 | 150 | 150 | |
2 | Elongation at break; min | % | 500 | 500 | |
3 |
Resistance to accelarated aging oven ( 168h X 70oC) - variation of resistance ; max -variation of elongation ; max |
% % |
50 50 |
30 30 |
after 168 h at 1400oC |
Crt | Characteristics | U.M. | Imposed value |
1 |
Class resitance [Rr] min/nr. of plies - conveyor types with 2 plies , commonly used - conveyor types with more than 2 plies , commonly used |
(daN/cm)/nr. ins |
- 200/2; 250/2; 315/2; 400/2; 500/2; 630/2; 800/2 - 315/3; 400/3; 630/4; 800/4; 1000/5; 1250/5; 1600/5; 2000/5 |
2 | Elongation under load reference , max | % | 4 |
3 | Adhesion between plies; min | daN/cm | 6 |
4 | Adhesion between plies and rubber layer, min | daN/cm | 6 |