Polyurethane rigid foam is mostly porous structure, with good insulation effect, light weight, high specific strength, convenient construction, heat and other excellent characteristics, shock resistance, electrical insulation, heat resistance, cold resist
Photoluminescent pigment yellow green color are europium doped strontium aluminate powder, it can glow in the dark for more than 15 hours at most after absorbing light for 5-10mins.
HPAA is an organic phosphine scale and corrosion inhibitor with low phosphorus content. Its molecule contains phosphonic acid group, carboxylic acid group and hydroxyl group. It has excellent performance in scale and corrosion inhibition, especially in so