Sulphate of Potash (SOP)

High-value potassium sulphate designed for chloride-sensitive crops and fertigation. Poly To Xin Trading offers granular, compacted, and soluble SOP grades to support horticulture and specialty crop nutrition.

Potassium Sulphur Premium

Quality Benchmarks

Precision production delivers dependable nutrient concentration.

SOP Grades
Parameter Granular Soluble Compacted
K2O 50% min 51% min 50% min
Sulphur (S) 17% min 17.5% min 17% min
Chloride (Cl) 1.5% max 0.5% max 1.5% max
Moisture 1% max 0.5% max 1% max
Particle Size 2-4 mm, 90% min < 0.5 mm, 90% min 2-5 mm, 90% min

Crop Benefits

Ideal potassium source for high-value agricultural programs.

Chloride-Sensitive Crops

Enhances quality and yield in tobacco, fruits, tea, coffee, vegetables, and ornamentals where chloride must be limited.

Balanced Nutrition

Supplies both potassium and sulphur for improved flavour, colour, and storability, while supporting higher protein formation.

Supply Formats

Flexible logistics for distributors and plantation groups.

Packaging

25 kg and 50 kg bags, 500 kg jumbo bags, with optional customised branding and anti-caking treatment.

Fertigation Ready

Soluble grade delivered in moisture-safe packaging suitable for drip irrigation systems.

Global Reach

Regular shipments to Europe, Middle East, East Africa, and Latin America, leveraging our logistics network.

Secure SOP supply for your specialty crop program.

Send us your required grade and delivery timeline. We will provide tailored offers with quality documentation.

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