In the actual production process of polyurethane flexible foam, there are often various quality problems in the products, and there are many causes for these problems. Sometimes, the problem cannot be solved well after multiple investigations, but few people notice that it may be due to the high acidity of TDI.

Polyurethane sandwich panels, with their superior properties, have found widespread applications across multiple areas. 

As a well-performance building material, polyurethane sandwich panel has many advantages.

Polyurethane sandwich panel is a kind of high-performance building material primarily composed of three layers: two layers of high-strength metal sheets (such as color-coated steel plates, aluminum plates, etc.) serving as the face sheets, and a core material filled with rigid polyurethane foam. The polyurethane foam is injected between the two metal sheets through high-pressure foaming technology, forming a sturdy sandwich structure with exceptional insulation and thermal barrier properties.

We shared some common problems and solutions in the production process of polyureyhane elastomers last time; Below we will comtinue to share more problems and solutions that attract the attention of producers.

Polyurethane elastomer is a high-performance elastomer with the characteristics of abrasion resistance, cutting resistance, tear resistance, high load-bearing capacity, transparent or translucent, ozone resistance, potting, pouring, and a wide range of hardness. It is widely used in transportation, sports, medical, electronic equipment, military aerospace, machinery manufacturing and other industries.

The conventional design of the top insulation of the cold storage often adopts the 200 mm thick rigid polyurethane foam sprayed along the roof beam plate, referred to as the polyurethane insulation layer, and the surface of the insulation layer is painted with polymer mortar (steel wire mesh) and other structural practices.

Rebonded foam is made from reclaimed foam & scrap foam.It has the following advantages.

Polyurethane rigid foam with thermal insulation effect is widely used in refrigerators and freezers, but there are many problems encountered in the foaming process, and the following is the analysis of some common problems