Molda® 3 Fin

Molda 3 Fin is an unformulated hemihydrate plaster (CaSO4.1/2H2O) produced from naturally occurring high purity gypsum mineral. It is off-white in colour.It is used as a filler or raw material within proprietary formulations and also for modelling in ceramics industry and art & decoration.

Benefits

Unformulated high purity plaster uses within proprietary formulations

Fine Particle Size distribution, No coarse grains

its low water demand (for a beta hemihydrate) provides high flexibility for formulators

Markets

Construction Materials

Ceramics

Fibrous and Decorative Plaster

Applications

Technical data

Physical Properties
Apparent Bulk Density (g/cm³)	0.56
Loose bulk density (kg/m³)	560
Particle Size (% weight retained)	0.05% at 200 µm 1% at 100 µm

Mechanical Properties
Brinell Hardness (MPa)	22
Dry compressive strength (Mpa)	14
Flexural Strength (MPa)	4
Hardness Shore D	50

Chemical Properties
Chemical Composition	CaSO₄.1/2H₂O
Chemical Name	Calcium sulphate hemihydrate
Colour	white
Minimum gypsum purity %	91

Setting Parameters
Final setting time (minutes)	46
Initial setting time (minutes)	17
Linear Expansion (%)	0,17
Vicat Ring Fluidity (cm)	18

Plaster to Water Ratio
Plaster to water mix ratio (by weight)	100/67
Plaster to Water Ratio (by weight)	1.5:1
Water to plaster ratio (by weight)	67%

Instructions for use

Please use with the recommended plaster water ratio, with a mixing time of approx. 2 to 4 minutes.The precise consistency to use will need to be adjusted to suit the individual application. Changes to plaster to water ratio will influence product performance particularly setting time and strength.

Packaging and shelf life

Bag

Packaging available : 25 kg

Shelf life : 10

Bulk Tanker

Packaging available : 25 T

Shelf life : Technical properties noted are at receipt of goods.

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