Molda® SN75 G
Molda SN75 G is used in the ceramics industry to produce working moulds for the slip casting of Tableware and Sanitaryware.
Benefits
Designed for traditional casting
Allows time for working
Technical data
| Chemical Properties | |
|---|---|
| Chemical Composition | CaSO4 ½ H2O |
| Chemical Name | Calcium sulphate hemihydrate |
| Colour | off-white |
| Min. Gypsum Purity (%) | >92 |
| Mechanical Properties | |
|---|---|
| Dry compressive strength (Mpa) | >10 |
| Flexural Strength (MPa) | >4.5 |
| Setting Parameters | |
|---|---|
| Final setting time (minutes) | <40 |
| Initial setting time (minutes) | 14 - 18 |
| Linear Expansion (%) | <0.2% |
| Vicat Ring Fluidity (cm) | 17 - 22 |
| Physical Properties | |
|---|---|
| Loose bulk density (kg/m³) | 620 - 720 |
| Particle Size Distribution (mesh size and % weight retained) | +63 microns <6.0% 90 microns <1.0% |
| Plaster to Water Ratio | |
|---|---|
| Plaster to water mix ratio (by weight) | 100/64 |
| Plaster to Water Ratio (by weight) | 1.56 : 1 |
| Water to plaster ratio (by weight) | 64% |
Instructions for use
The recommend PWR is 1.50 : 1. The product can be use at 1.40 – 1.60 : 1
Recommend mixing time 3 – 5 min.
Packaging and shelf life
Bag
Packaging available : 25 kg
Shelf life : 6
Big Bag
Packaging available : 1.05 MT
Shelf life : 6