Plastic Limit Set
Moisture contents at which soil has smallest plasticity is called limit. For determination purpose plastic limit is defined as the water content at which a soil will just to crumble when rolled into a thread of 3mm. dia.
The complete set consists of one each:- 1. Glass plate 20cm x 115cm having ground ends and one side frosted., 2. Brass of stainless steel rod 3mm dia. x 150mm long., 3. Flexible spatula., 4. Set of 6 moisture containers. , 5. Porcelain basin 150mm dia., 6. Plastic wash bottle 500ml.