Meaning
German technical standard that defines the gravimetric method for determining the ash content of rubber and elastomers. Testing under DIN 53568 involves heating a sample in a furnace until only inorganic residues remain. This procedure allows laboratories to quantify the loading level of fillers such as chalk or glass.
Residue Characterization
The standard provides a framework for analyzing the solid material left after the organic components have burned away. By measuring the mass of the ash, a technician can confirm that the reinforcement levels meet the engineering requirements of the part. This step is required for verifying the consistency of incoming raw materials from different suppliers.
Measurement Accuracy
Precise control of the furnace temperature and the cooling environment is required to prevent the absorption of atmospheric moisture by the ash. Deviations in the heating cycle can lead to incomplete combustion or the unwanted decomposition of mineral fillers. Following the strict timings in the document ensures that results are repeatable across different testing facilities.
Material Comparison
Benchmarking different batches against the established values in the standard helps maintain production stability. If the ash content deviates from the specification, it indicates a change in the formulation or a failure in the compounding process. This objective data supports the rejection of non compliant lots before they enter the manufacturing stream.
