The ring pressure test center plate is an auxiliary device required to determine the ring compressive strength of paper and cardboard on the compression Tester, which is designed according to the provisions of the national standard GB/T2679.8 "Determination of the ring compressive strength of paper and cardboard", and can be used for the ring compressive strength test of base paper with QD3013 compressive strength Tester.
This accessory is composed of a specimen holder and thirteen central discs of different sizes and specifications, which can adapt to specimens of different thicknesses, and is widely used in industries and departments such as papermaking, packaging and product quality supervision and inspection.