The control of “the effects of a wide distribution of molecular mass on the stability of the retrofits” is stable, distinguishing, first and foremost, between the intrinsic properties of the material, the state of the material and the thermomechanical effects of the equipment. The key mechanism for this theme is that, unlike the narrow distribution of resins in low shear flow, melting strength and high shear response, replicability of filling and plasticization is changed. The material structure, thermal performance and flow base determine the path to plasticization and cannot simply reproduce temperature and velocity by trade name. Therefore, the name of the material and the recommended setting can only be used as a starting point, and the actual judgement is to return to the plate number, water, filling and assistor, the single total quantity, cycle, screw structure and product requirements to confirm whether the temperature, cut and stay of the material in the equipment is safe.

At the test-model or volume-import stage, an input list should be established around “the impact of wide and narrow molecular distribution on the stability of the plating”, including feedstock suppliers and batches, technical data tables, drying conditions, the ratio of colored mothers to retrofits, specifications of equipment to screws, product and fluid weights, the temperature of the mould and existing defects. The test shall retain the raw material COA, the equipment type, the screw diameter, the single total volume, the cycle, the environmental humidity and the version of the parameters to ensure retroactive results. The main risk of the subject is that the mixing of different distributions of card numbers may lead to a change in the viscosity curve at the same temperature, resulting in size and surface fluctuations. Parameters must be recorded in a specific pattern to distinguish material from equipment from operational changes.

Control methods should not begin with blindly increasing temperature or pressure, but should be based on "substance state - feed drying" The sequence of screw plasticization - nozzles and fluids - product results. For high filling and flame retardant materials, temperature, shearing, corrosive and wear must be jointly assessed, and the flow of the melting alone is prone to underestimation of life risks. The site adjusts only one main variable at a time, while observing the actual melting temperature, measuring time, screw twists, mats, injection pressure, product weight, colour, scent and critical dimensions. If production can only be sustained by extreme parameters, the use of a switch to cover the material or hardware boundary should be discontinued.

The validation of the “effects of wide and narrow molecular mass distribution on the stability of the plume” suggests a replicable approach: comparing current curves, MFIs, product weights, peak pressure and continuous modelling trends. The review cycle can be triggered by production, tonnage of materials or trend thresholds, which are more reflective of the real load than a mere calendar time. The technical agreement between the supplier and the plant shall state the material, the sampling method, the detection project, the permitted scope and the change notification requirements. The plasticization programme can only be considered to have long-term quantitative value if the product ' s probabilities, performance, cyclicality, energy consumption and maintenance costs are met in a continuous production process.