Petroleum Pipeline Insulation Polyurethane Catalyst PT303 Hydrocarbon Permeability Composite Protection System 1. Introduction: “Heating Clothes” and “Protective Shield” of Pet ...

Catalytic optimization process for sealed polyurethane catalyst PT303 radiation-resistant aging Preface: “Guardian” in nuclear-level equipment In a place full of mystery and high-tech in n ...

1. Introduction: Magical bubbles in the construction world In today’s era of rapid development of technology, the 3 architectural world has also ushered in its own “magic moment”. Th ...

Magnetic levitation track shock absorbing polyurethane catalyst PT303 high frequency vibration energy dissipation scheme Introduction: From “head-to-head” to “soft landing” As ...