Nano Silver is Silver in a form of nanoscale particles. Nano silver has a killing and inhibiting effect on many pathogenic microorganisms. Purity>99%Particle size range: 20 to 500nm About The Nano Silver Ag Powder Silver is Ag. Silver Nanoparti…
Viscosity and fineness are important indicators that affect the performance of hydroxypropyl methylcellulose HPMC. Studies have shown that the water retention effect of HPMC increases with the increase of its viscosity, but after the viscosity exceed…
The open-cell foam concrete is an excellent sound absorption material, while the closed-cell foam concrete is an excellent sound insulation material.…