GVVS-13

GVVS-13

Extra strong separated gypsum of grade 13

Pack types

Package 40kg
Package 40kg
Big bag<br>750/1200 kg
Big bag
750/1200 kg

The price of the products

  • 490 ru/ 40 kg bag

Price includes VAT, excluding delivery.

Description

Gypsum binder (alpha- hemihydrate of calcium sulfate CaSO4 * 0.5 H2O) is produced from natural gypsum stone and is a white fine powder obtained by grinding of natural gypsum stone with further heat treating it in an autoclave, followed by milling and separation.

Alternative names are alpha gypsum, technical gypsum, and high-strength gypsum.

Environmentally friendly material; there is the expert opinion. The products are certified in GOST R system

Application

  • Production of molds and models in porcelain and ceramic industry, and mechanic engineering;
  • Production of dry construction mixes;
  • Casting of molds for parts in metallurgy and mechanic engineering;
  • Production of interior details.

Technical specifications

Divergence from the net mass in accordance with GOST 26871 ± 1kg
Produced according to TU 21 RSFSR-153-90, MOD. 15


Water consumption for paste of standard consistencyNot more than 43% of weight of the binder
Setting time of standard consistencyStart (loss of solution mobility) - no earlier than 4.5 minutes

Finish (complete solution hardening) - not later than 20 minutes
Beating rateThe maximum residue on a sieve with a mesh size of 0.2 mm in clear - not more than 1%
Breaking strength of sample bars aged of 2 hoursUnder bending - not less than 5.5 MPa. Under compression - not less than 13 MPa
Guaranteed storage life6 months from the date of shipment in unopened original package. Storage in dry indoor spaces on wooden pallets. Material should be fully utilized after opening the original packaging
Content of metal impurities in the binderNot more than 10 mg/kg
How to buy

Sales department for gypsum product:
+7 (846) 269-64-25 (ext. 4085)


Sales department for gypsum boards
and dry building mixes:
+7 (846) 269-64-25 (ext. 4241)


Online order All dealers Our contacts
Buy with product
Documents for downloading
Go up