GMB-2,5 model plaster, white
GMB-2,5 white model plaster is a modified mineral sealant with enhanced durability manufactured from gypsum roasted from natural high-quality gypsum from the deposits of NOWY LĄD mine. It is used mainly in model making, making gypsum moulds, sculpting and coving. Low expansion of the gypsum enables an accurate representation of shapes of coving patterns.
Technical parameters
Setting start:
after 6 min. at the earliest
Bend strength after 2h
2,5 N/mm2
Compressive strength after 2h
at least 5,0 N/mm2
Water-plaster ratio
around 60/100
Expansion after 2h
max 0,30%
Packaging
Paper bags with foil lining 20kg.
Transport and storage
Gypsum sealants should be transported and kept in dry places in sealed bags.
Protect against humidity.
The absorption of humidity may change the physical parameters of the plaster: setting time and strength.
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