Moulding of polyurethane foam

Moulding of polyurethane foamThe molding process of polyurethane foam and the preparation stage of raw materials are basically the same as that of block foam. Th…

Company news 352 2022-05-10

Preparation of foaming agent

Preparation of foaming agentBubble mechanism: when gas is suspended in liquid or solid, it becomes bubble. Many bubbles gather together and are isolated from eac…

Company news 337 2022-05-09

Viscoelasticity of plastic melt

Viscoelasticity of plastic meltPrevious experimental results have shown that when the plastic melt containing foaming agent passes through the die channel, the p…

Company news 344 2022-05-07

Factors affecting bubble expansion

Factors affecting bubble expansionThere are many factors affecting bubble expansion in liquid, which can be divided into two categories: one belongs to raw mater…

Company news 322 2022-05-06

Material classification of mould

Material classification of mouldThe mold is the molding and shaping equipment for the production of plastic products. The mold used on the injection foaming mold…

Company news 326 2022-05-05

Category of foamed plastics

Category of foamed plasticsFoamed plastic is a new type of material, which takes plastic as the basic component and contains a large number of bubbles. Therefore…

Company news 333 2022-05-04

Application of foam casting

Application of foam castingCompared with other foaming methods, foam casting has the following characteristics. ① The raw material is a mixture of low viscosity…

Company news 355 2022-05-03

Application of extrusion foaming method

Application of extrusion foaming methodAccording to the variety of extruded foam products and the scope of applicable polymers, it can be summarized into the fol…

Company news 316 2022-04-29

Foamed cable insulator

Foamed cable insulatorThe development of this application field is the telephone carrying line of micro coaxial TV cable (CATV). For telephone lines, both chemic…

Company news 319 2022-04-28

Finishing method of polyolefin foamed plastics

Finishing method of polyolefin foamed plasticsThe finishing methods include brush coating, roller coating, spraying, dip coating, etc. The characteristics and ap…

Company news 310 2022-04-27

Styrene resin

Styrene resinPreviously, most PS foam boards were formed by physical foaming method (such as pentane particle system, or direct injection of pentane, or fluoroca…

Company news 328 2022-04-25

polystyrene

polystyreneThe first mock exam lotion of polystyrene foam is emulsion polymerization of powdered polystyrene resin. The process flow is as follows: liquid polyme…

Company news 353 2022-04-23