Description
Designed for making samples of asphalt concrete.
It consists of 3 parts - a hollow cylinder with stiffening ribs, an upper and a lower pressure plunger. Elements of the form made of steel St.35 or better in their mechanical characteristics.
They conform to DSTU B V.2.7-89-99, GOST 12801.
Technical characteristics
| Name | Ø, mm | h, mm | h upper plunger, mm | h lower plunger, mm | S specimen, sm2 |
| LO-257 (50,5) | 50,5 | 130 | 80 | 50 | 20 |
| LO-257 (71,4) | 71,4 | 160 | 100 | 60 | 40 |
| LO-257 (101,0) | 101,0 | 180 | 110 | 70 | 80 |