Technical Specifications У 24.3-24010285-001:2002
Resin 188 is a solution of glyphtal resin in toluene, solvent or xylene, as well as mixure 90:10 by weight of xylene, solvent or toluene. The resin is modified by semidrying oils.
Application: a superior quality shall be used to produce colourless nitrolacquers and white nitro enamels, a first grade shall be used to produce coloured nitrolacquers and enamels.
Table: Qualitative indices according to Technical Specification У 24.3-24010285-001:2002
|№||Description||Requirements as to Technical Documentation|
|superior quality||first quality|
|1||Colour (iodimetry scale), mg I2/100 cm3, not darker than||30||100|
|2||Appearance||Transparent, some opalescence is allowed|
|3||Purity||Varnish coat, applied on glass plate, shall be transparent without any mechanical inclusions and small extrinsic particles||Individual mechanical inclusions are allowed|
|4||Relative viscosity at temperature /20±0.5/°С (viscosimeter ВЗ-246, nozzle diameter 4 mm), с||50 – 100||50 – 100|
|5||Weight fraction of nonvolatile matter, %||50 ± 2||50 ± 2|
|6||Solubility||Precipitation and splitting shall not be observed|
Note: It is possible to produce Resin 188 (as agreed with Customer) by indicating in paragraph “without precursors” (dissolvent – xylene or solvent), accordingly marking – Resin 188 without precursors.