Agricultural Gypsum

Agricultural Gypsum is a CE fertiliser grade gypsum obtained from naturally occurring mineral. It is used in a variety of agricultural applications including as a carrier for horticultural dressings, as a mushroom composting ingredient, as a soil improver and in land reclamation after salt water flooding.

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Chamotte
Al2O3 content (%) Open porosity (%)
Vitreous phase (%) Pyroscopic resistance (°C)
Apparent density
Plaster
Chemical composition Linear expansion (%)
Chemical name Colorimeter L (L* value)
Plaster to water mix ratio (by weight) Colorimeter a (a* value)
Plaster to water ratio (by weight) Colorimeter b (b* value)
Water to plaster ratio (by weight) Colour
Fluidity / spread (cm) Sieve analysis (Mesh size & % weight retained)
Initial setting time (minutes) Bulk density loose (kg / m³)
Final setting time (minutes) Bulk density compacted (kg / m³)
Wet compressive strength MPa Apparent bulk density (g/cm³)
Dry compressive strength MPa Pore volume (%)
Flexural strength MPa Start of warming phase (minutes)
Brinell hardness MPa End of warming phase (minutes)
Hardness shore D Shelf life (Months)
Refractory Investments
Water used (%) Liquid Density
Mixing Time (minutes) Linear Expansion 1 hour after setting (%)
Working / Casting Time (minutes) Linear Expansion 2 hours after setting (%)
Initial Setting Time (minutes) Shelf Life (months)
Gypsum
Chemical composition CaSO42H2O pH 7
Chemical name Calcium sulphate dihydrate Solubility of Gypsum (g/ litre) 2.1
Minimum Gypsum purity (%) 85 Bulk density loose(kg/cm³) 1000
Sieve analysis (mesh size & % weight retained) 150microns 20% Bulk density compacted (kg/cm³) 1300
Colorimeter L (L* value) Apparent bulk density [1.00]
Colorimeter a (a* value) Gypsum hardness (MOH scale) 2
Colorimeter b (b* value) Shelf life 24
Colour off-white

Please refer to product data sheets for futher information

  • Technical data
  • Applications
  • Process
  • Tutorials
  • Logistics

Agricultural Gypsum is a CE fertiliser grade gypsum obtained from naturally occurring mineral. It is used in a variety of agricultural applications including as a carrier for horticultural dressings, as a mushroom composting ingredient, as a soil improver and in land reclamation after salt water flooding.

AgricultureFormula’s high purity, natural gypsum formulations are safe, environmentally-friendly, cost-effective solutions for soil treatment in agricultural, horticultural, and leisure applications including products which are conform to the European Standard for fertilisers.

Customer Service Office Hours
Monday - Friday:    8.00am - 5.00pm

Plant Loading Times
Monday - Thursday :   9.30am - 3.45pm
Friday :  9.30am - 3.00pm


Packaging
Products are supplied in nomina 25kg paper sacks on 1400kg or 1050kg, 2-way wooden pallets.
Certain specialist engineering and dental plasters are packed in 25kg tubs on 500kg pallets.
1 tonne Bulk Bag and Bulk Tanker options are also available on request for certain products.

Please consult our Customer Service Team for any further information

Dianne Sweeney:   +44 (0) 1636 670 235
Kevin Reynolds:     +44 (0) 1636 670 213

Fax :   +44 (0) 1636 670 229

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