Hartform 1

Hartform 1 is a high strength formulated plaster used in decorative casting and modelling applications as well as an additive in construction material formulations.

Chamotte
Al₂O₃ content (%)		Open porosity (%)
Vitreous phase (%)		Pyroscopic resistance (°C)
Apparent density

Plaster
Chemical composition	CaSO₄½H₂O	Linear expansion (%)	0.43
Chemical name	Calcium sulphate hemihydrate	Colorimeter L (L* value)
Plaster to water mix ratio (by weight)	100/40	Colorimeter a (a* value)
Plaster to water ratio (by weight)	2.5:1	Colorimeter b (b* value)
Water to plaster ratio (by weight)	40%	Colour
Fluidity / spread (cm)		Sieve analysis (Mesh size & % weight retained)	+200 microns :0.04%
Initial setting time (minutes)	8-18	Bulk density loose (kg / m³)
Final setting time (minutes)		Bulk density compacted (kg / m³)
Wet compressive strength MPa		Apparent bulk density (g/cm³)	1200
Dry compressive strength MPa	31	Pore volume (%)
Flexural strength MPa	11	Start of warming phase (minutes)
Brinell hardness MPa	70	End of warming phase (minutes)
Hardness shore D		Shelf life (Months)	6

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	pH
Chemical name	Solubility of Gypsum (g/ litre)
Minimum Gypsum purity (%)	Bulk density loose(kg/cm³)
Sieve analysis (mesh size & % weight retained)	Bulk density compacted (kg/cm³)
Colorimeter L (L* value)	Apparent bulk density	[]
Colorimeter a (a* value)	Gypsum hardness (MOH scale)
Colorimeter b (b* value)	Shelf life
Colour

Please refer to product data sheets for futher information

Technical data
Applications
Process
Tutorials
Logistics

Hartform 1 is a high strength formulated plaster used in decorative casting and modelling applications as well as an additive in construction material formulations.

Plaster based construction elements	Plaster is commonly used as the base material (binder) for the manufacturing of prefabricated construction elements for interior walls, ceilings and plaster blocks.
Interior Wall Products	Plaster is a popular material for interior wall finishing.
Interior Design	Formula plasters are used to achieve unique architectural renovation and interior design features, for building interiors in renovation and commercial interior design projects, with respect for technical and design constraints.
Flooring Products	Plaster and gypsum are used in flooring applications, including floor screeds and levelling compounds.
Construction Chemicals	Formula offers high quality plaster and uncalcined gypsum products for use in various construction products and chemicals.

Fibrous Casting	Reinforced plaster casting is used in cases where higher quality, higher strength pieces are required, or where due to shape of the element e.g. fire surrounds, reinforcement is required in specific parts, such as angles which will support additional weight or stress. Reinforcements are also used to reduce the amount of plaster used, and thereby produce lighter weight elements.
Hollow Casting / Slush Casting	Hollow casting allows larger plaster pieces to be cast, without the weight of solid casting.
Solid Plaster Casting	Solid plaster casting may be carried out manually, or using continuous casting equipment for industrial scale production. Due to the solid nature of non-reinforced elements, drying may take longer than for items with thin sections.

Customer Service Office Hours
Monday - Thursday: 8.00am - 4.30pm
Friday: 8.00am - 3.00pm

Plant Loading Times
Monday - Thursday: 6.00am - 8.00pm
Friday: 6.00am - 6.00pm

Standard Pack Options
25kg, 40kg, 50kg valve paper sacks
1 tonne bulk bag
Bulk tanker

Standard Palette Sizes
1 tonne pallet (25kg), 0.96 tonne pallet (40kg), 1.05 tonne (50kg)

Please consult our Customer Service Team for any further information.

Oliver Kneip :                     + 49 (0) 5525 203 52
Babett Biele :                      + 49 (0) 5525 203 80
Lianne Neumann :               + 49 (0) 5525 203 98
Michael Bestert :                 + 49 (0) 5525 203 18

Fax : + 49 (0) 5525 203 58

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Hartform 1

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