Compliance With Following International Standards: IS-2720 (PART-VII), EN ISO 17892 (PART 12) The plastic limit is defined as the lowest moisture content of a soil that will permit a sample to be rolled into threads of 3 mm diameter without the threads breaking. The apparatus required is simple yet effective. Further details available on our website. Price and specifications mentioned here are subject to change as per the application, customer requirements and prevailing market conditions. Please refer to us for the final rates and offer.