SOP Granular 50% K2O — Chloride-Free Potassium & Sulphur

Name: Sulphate of Potash Granular (SOP)
Brand: EUROCHEMTRADING MIDDLE EAST FZE
SKU: 3104.30

FOB Black Sea / MENA · CFR/CIF worldwide on request

Key parameters — SOP Granular 50% K2O

Potassium (K2O)50% min

Sulphur (S)17% min

Chloride (Cl)1.5% max

Granule size2–4 mm

Moisture0.5% max

HS code3104.30

MOQ1,000 MT

Full specification — SOP Granular 50% K2O

Potassium (K2O)	50% min
Sulphur (S)	17% min
Chloride (Cl)	1.5% max
Moisture	0.5% max
Water insoluble	0.5% max
Granule size	2–4 mm (90% min on sieve)
Granule strength	5.0 MPa min (crush test)
Appearance	White to off-white granules
HS code	3104.30

Product overview — SOP Granular 50% K2O

Granular sulphate of potash (SOP) delivers 50% K2O and 17% sulphur in a single low-chloride fertilizer — the standard premium potash for crops that penalise chloride accumulation in leaf tissue or root zone salinity. Unlike potassium chloride (MOP), SOP supplies potassium as K2SO4 without adding chloride that reduces tuber specific gravity in potato, causes leaf burn in flue-cured tobacco and limits sugar accumulation in wine grapes.

The granular 2–4 mm fraction suits mechanical spreading, bed placement and bulk blending into chloride-free NPK compounds. Production routes include Mannheim furnace conversion and brine-based crystallisation at integrated complexes in Europe, Central Asia and the Middle East. Export buyers span horticulture cooperatives in the Mediterranean, flue-cured tobacco boards in southern Africa and potato processors in South Asia seeking contract-grade raw material security.

SOP granular is hygroscopic at moisture above 0.5% — covered storage and prompt discharge at destination ports preserve granule integrity. The 17% sulphur fraction covers moderate crop demand; high-sulphur oilseed programmes may still require supplemental ammonium sulphate alongside SOP applications.

Full product details

Loading ports & logistics — SOP Granular 50% K2O

Contract MOQ 1,000 MT ships as bagged 50 kg PP or 1,000 kg FIBC for chloride-sensitive crop distributors without bulk discharge, or on handysize bulk carriers from 1,000 MT coastal feeders to 25,000 MT deep-sea parcels from Novorossiysk, Taman and MENA granulation terminals. Moisture control below 0.5% is essential to prevent caking during ocean transit through humid trade lanes.

CFR/CIF deliveries to South Asia (Mumbai, Chittagong, Karachi), East Africa (Mombasa, Dar es Salaam), Mediterranean horticulture hubs and Latin American tobacco regions. Typical lead time 10–20 days from contract to loading window, subject to berth availability and granulation-line scheduling.

Packaging & documentation — SOP Granular 50% K2O

Bulk shipment in vessel holds with moisture barrier tarps, or in 50 kg PP woven bags with inner PE liner, palletised and stretch-wrapped. FIBC big-bags (1,000 kg) available for markets with forklift discharge. Each lot ships with a mill certificate of analysis (COA), commercial invoice, packing list, bill of lading and certificate of origin. SDS per GHS is provided on request. Third-party inspection at loading (SGS, Bureau Veritas) available for LC-backed or first-time contracts.

Crop programmes

Granular SOP applies at 100–250 kg/ha on potatoes at tuber initiation to support specific gravity and fry colour, and at 150–300 kg/ha on flue-cured tobacco during peak potash uptake. Citrus and avocado orchards receive banded applications at 200–400 g/tree/year in split doses. For broadcast on saline soils, SOP avoids the chloride load that MOP would add to the root zone profile.

FAQ — SOP Granular 50% K2O

When should buyers choose granular SOP over soluble grade?

Granular SOP suits broadcast, bed and band application on field crops where dissolution in the soil profile is sufficient. Soluble grade is reserved for fertigation and foliar programmes where immediate K and S availability in irrigation water is required.

What storage conditions prevent caking at tropical discharge ports?

Keep granular SOP under covered warehousing with relative humidity below 65% and stack height limited to 2.5 m on pallets. Minimise open-air dwell time at discharge; if caking occurs, mechanical screening at the bagging line restores flowability without nutrient loss.