Introduction to PIR concept

　　PIR is a public resource database that integrates data on protein function prediction with the purpose of supporting genomic/proteomic studies. PIR, in collaboration with other organizations, forms the PIR-International Protein Sequence Database (PSD), a major database of predicted proteins, including 250,000 proteins. The performance of the PIR

　　PIR is a novel organic polymer thermal insulation material. It is a foam polymerization with Isocyanate secondary to polyether (Ployol) as the main raw material, together with catalyst, fireproof agent and environmental protection foaming agent, which is produced after mixing, reaction and foaming with special formulation and strict technological conditions. Due to its independent closed cell structure and high obturator rate, fine and uniform foaming cells, good heat insulation performance, excellent flame resistance and flame retardant performance, the foam polymer has shown excellent quality in heat insulation performance, water resistance, moisture permeability, persistence, pressure resistance, flame retardant and cold shrinkage rate. This HIGH-TECH organic polymer material has excellent fire resistance, small thermal conductivity, good water resistance, stable chemical properties, good aging resistance, and is the best choice for thermal insulation polymer materials in cryogenic and general cooling temperature environment. Its suitable adiabatic temperature range is -196°C to +120°C.

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