Determination of carbon black content in polyethylene pipes and fittings (thermal weight loss method)
1. Heat the combustion boat until it is hot, then cool in a desiccator for at least 30 minutes and weigh to the nearest 0.0001g. (1.0 ± 0.1)g of polyethylene samples were placed in a combustion boat...
PVC pipe fittings use special resin material
The special resin for PVC pipe fittings refers to the regularity of the particles above 0.90, the proper porosity, the apparent density is over 15% higher than that of the common type, and the dry...
PVC drainage pipe specifications PVC drainage pipe features
PVC drainage pipe is the largest amount of plastic pipe in the water supply and drainage project. The setting of the drainage pipe generally depends on the slope of the pipeline to achieve the flow...
Analysis of the effect of polyethylene wax on PVC pipe profiles
Under normal circumstances, many manufacturers of PVC pipe profiles prefer to use paraffin as a lubricant. However, they also overlooked a problem, that is, paraffin wax has low softening point and...