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Model 09721

The specimen tube, model 09721, is intended for the production of cylindrical samples from wet sands of mold and core mixtures for the purpose of determining gas permeability according to GOST 23409.6-78 and determining compression strength according to GOST 23409.7-78. The specimen tube operation principle is the production of a sample for the mixture which is poured into the tube and squeezed with the impact testing device.

Components

A specimen tube consists of the actual tube and a mold base. A mold base is used as a specimen tube bottom when it is filled with mixture. The specimen tube is applied in molding materials workshops and factory laboratories and research institutions laboratories.

PDFBrochure
Technical specifications:
Internal diameter, mm 50±0.025
Surface hardness, HRC ≥49
Internal surface roughness, μm Ra≤0.4
Specified no-failure operating time, cycles 5х104
Specimen tube dimensions:
Diameter, mm 57.9
Specimen tube height, mm 120-0.35
Specimen tube weight without a mold base, max. kg 0.6
Controlled parameter for determination of specimen tube unserviceability:
Value out of range of the permissible limit values for specimen tube inner diameter 50.025 mm