The unique needle shaped fibers of the rubber plastic special series of wollastonite fibers provide excellent insulation, wear resistance, and high refractive index, making them high-quality filling materials for plastic and rubber products. Wollastonite fibers can improve the impact strength of rubber and plastics, enhance their flowability, and improve linear tensile and mold shrinkage rates.
TYPICAL PHYSICAL PROPERTIES /TYPICAL VALUE
Morphology – Powder
Appearance – White
Whiteness % 90.5
Refractive index – 1.67
Gravity – 2.79
Bulk Density(Loose) g/ml 0.55
Minus 325 U.S. Mesh Screen % 100
Hardness(Moh’s Scale) – 4.5-5.0
Solubility in water g/100ml 0.0095
Melting point ℃ 1540
Coefficient of expansion – 6.5×10-6
FIBER CHARACTERISTICS /TYPICAL VALUE
D10 Laser-diffraction Particle Size μm 2.227
D50 Laser-diffraction Particle Size μm 9.525
D90 Laser-diffraction Particle Size μm 23.44
CHEMICAL PROPERTIES /TYPICAL VALUE
SiO2 % 49.37
CaO % 44.62
Fe2O3 % 0.38
Al2O3 % 0.33
TiO2 % 0.01
MgO % 0.20
MnO % 0.35
Na2O % 0.01
K2O % 0.01
P2O5 % 0.01
H2O % 0.05
L.O.I % 4.0
PH VALUE(10% slurry) – 9.9
The data provided are typical characteristics of the product. Only for your information. Welcome customers to request sample and test.