Links United is an Egypt-based company listing mineral and agricultural products on Global Trade Plaza. Its catalog includes talc, calcium carbonate, silica sand and alfalfa hay. The talc offered is magnesium silicate, noted as the softest mineral on the Mohs hardness scale at 1, with perfect cleavage in one direction and a greasy feel. The calcium carbonate is supplied as CaCO3, described in its natural forms of chalk, limestone and marble. Silica sand is listed as silicon dioxide (SiO2), also referred to as quartz sand. Alfalfa hay is specified with protein above 16%, moisture no more than 12%, purity above 95%, green color above 85%, bale dimensions of 220*110*70 cm and bale weight of 420-440 kg. Buyers can send an enquiry through Global Trade Plaza.