Tianjin Manda Chemicals

China‑based Tianjin Manda Chemicals lists ten active chemical products within the Chemicals & Allied Products sector. The catalogue includes both inorganic salts and specialty acids, each identified by its material name and, where available, an HS‑code from Chapter 28 or 31. The supplier’s portfolio spans potassium nitrate (HS 2834.20), ammonium bicarbonate (HS 2836.99), sodium nitrate (HS 3102.50), sodium thiosulfate (HS 2832.30), picric acid (HS 2904.99), calcium carbide (HS 2849.10) and sodium acid pyrophosphate (HS 2835.39) among others.

The catalogue groups three main families: inorganic nitrate salts (potassium nitrate, sodium nitrate, ammonium bicarbonate), acid‑based compounds (citric acid, picric acid, sodium acid pyrophosphate) and specialty chemicals (sodium thiosulfate, calcium carbide, sodium hexametaphosphate). In global trade, nitrate salts are typically supplied at 99 % purity for fertilizer or industrial use, with moisture content below 0.5 % and granule size 0.5‑2 mm. Acid products such as citric acid are commonly offered in 99.5 % purity, with a typical particle size of 100‑200 µm and bulk density around 0.6 g cm‑3. Calcium carbide is usually shipped as 80‑85 % purity chunks, packaged in 25 kg steel drums to limit moisture exposure. Sodium thiosulfate and sodium hexametaphosphate are supplied as fine powders with purity levels of 98‑99 % and are often used in water treatment and food additives. Picric acid, a regulated explosive precursor, is handled under strict safety protocols and is generally offered in 95 % purity for analytical or laboratory use.