Water & moisture resistance
Testing lab of the building materials, articles and constructions
Records of results of comparative trials of patterns cut out of the plaster panels for firmness - these patterns have been winded being in the waterlogged-dried condition and in dry condition, - have been delivered to the Test Lab of NKTC State Unitary Enterprise.
Conclusion: as per the received results of trial of patterns cut out of panels of suspended ceiling, firmness during winding of these patterns being in the waterlogged-dried condition and in dry condition with the comparative data provided was not lost. 
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