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The development of polyurethane foam
The development of polyurethane foam Ammonia foam was first successfully developed in Germany in 1947. The hard polynitrogen foam was first put into indust…
Company news 259 2021-08-26
Extrusion cast composite film
Extrusion cast composite film Extrusion cast composite film is to use an extruder T-die to cast a thermoplastic on other substrate films, and become a mul…
Company news 253 2021-08-25
Wuhan Handern Flexo Plate Making
Wuhan Handern Flexo Plate Making There are two types of flexographic plates: rubber plate and photosensitive grease flexographic plate. They use different ma…
Company news 254 2021-08-24
Plastic mesh for packaging
Plastic mesh for packagingPlastic mesh for packaging is a kind of packaging material with continuous mesh structure of certain specification, which is made of pl…
Company news 262 2021-08-23
Production, characteristics and performance of heat shrinkable film
Production, characteristics and performance of heat shrinkable film Shrink film packaging was first applied in France in 1936, and has been widely used sinc…
Company news 257 2021-08-20
Technical Q&A on Flexible Plastic Packaging
Technical Q&A on Flexible Plastic Packaging 1. PVC shrink film is easy to break during printing. Is the quality of PVC shrink film bad? It is n…
Company news 258 2021-08-19
Production process of PVC foam
Production process of PVC foam 1. The process flow of PVC production by molding method: Recipe→kneading two-roll plastic refining pull sheet→cuttin…
Company news 257 2021-08-18
Development of Wuhan Handern Plastic Packaging Industry
Development of Wuhan Handern Plastic Packaging Industry In the synthetic tree, 25% is used in the packaging industry. For this reason, the packaging industr…
Company news 249 2021-08-16
Sexual printing process
Sexual printing process (1) The loading plate is a relief plate with soft texture. The printing plate is in direct contact with the plastic film, and the pr…
Company news 263 2021-08-13
Sexual printing process
Sexual printing process (1) The loading plate is a relief plate with soft texture. The printing plate is in direct contact with the plastic film, and the pr…
Company news 260 2021-08-13
Foaming method of foam
Foaming method of foam There are three foaming methods for foam plastics. (1) Physical foaming method The gas is dissolved in the plastisol or mel…
Company news 249 2021-08-12
Bubble sheets and skin packaging
Bubble sheets and skin packaging Blister packaging is a process of thermoforming a transparent plastic sheet to form a blister with the approximate dimensio…
Company news 249 2021-08-11