Round quartz glass
Offer type: salePublished: 15.05.2018
Tempered glass porthole (PPE) intended for Windows surface ships and vessels of all types.
Glass classification:
form: round and rectangular;
by type of treatment: transparent and frosted on one side.
Glass is made from polished glass.
Tempered glass (porthole)Glass should be round or rectangular shapes. Allowed for round glasses oval to rectangular, the deviation from perpendicularity (cosmogonist), provided that they do not extend beyond the limits of dimensional tolerances of glass.
Tempered glass (porthole)Glass must have a uniform thickness. The deviation from parallelism of the surface (thickness variation) must not exceed 0,2 mm.
Tempered glass (porthole)Glass should be produced with polished edges and blunt edge.
Tempered glass (porthole)the regular light transmittance shall be not less than 0,86.
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