Castro e Oliveira Guerra – Cristal Glass 3

Experiment

Heritage

Research

Reproduction of a cristal glass recipe from Castro e Oliveira Guerra Book

Material

Glass

Craft

Glass-making

General Technique

Combining

Specific Technique

The glasses were melted in an electric furnace and left to cool to room temperature inside

Properties & Qualities

Application

Product Sample making

Qualities

3D Rigid Shiny Smooth Transparent

Colour

Other

Sample Information

Date of creation

01/02/2018

Process & Production

Firing program:

Ramp 600ºC – 4ºC/min, Dwell 1h, Ramp 900ºC – 4ºC/min, Dwell 1h, Ramp 1300ºC – 4ºC/min, Dwell 2h, Ramp 1000ºC – 5ºC/min, End

Recipe Details

SiO2 22.625 g, K2CO3 9.518 g, KNO3 2.062 g, Na2CO3 2.448 g, Pb3O4 2.329 g, CaCO3 2.151 g, MnO2 1.101 g, Sb2O3 0.069 g, Borax 0.090 g

Credits

Craft Maker

Catarina Santos

Library Contributor

VICARTE, NOVA

Photographer

Catarina Santos