What is raw material glair, frit piece glair, salt glair, clay glaze, feldspathi
From; Author:Stand originally
１ , what is raw material glair?
All raw material that glair uses is not made through preelection frit, add water modulation directly and become a thick liquid.
2, what is frit piece glair?
Before frit makes a starch, make fuse of partial raw material vitreous form substance use Shui Cuicheng is small first (frit piece) , mix ball wear glaze slip with the others raw material again.
3, what is saline glair?
This glair is not needed beforehand preparation, come in product to calcine however when high temperature, to salt of the investment inside kiln, saline volatile makes base substrate surface forms layer glass material.
4, what is clay glaze?
This glair is natural coloured clay serves as frit to use directly via pan hind.
5, what is feldspathic glair?
This glair is main by quartz, feldspathic, lime, match with clay, its characteristic is hardness big, burnish is stronger, transparent, have downy feeling, firing range is wide.
6, what is lime glaze?
This glair basically makes flux by oxidation calcium, and the molecular number of oxidation calcium should occupy above of half the number, lime glaze flexibility is good, burnish is strong, OK also and firing mat glaze and lacteal chaotic glair, its defect is firing limits relatively narrow, goods easy smoke as kind of sweet grass.
7, what is plumbic glair?
This glair part cites plumbic oxide serves as flux, often use together with boracic oxide, drop the melt temperature of glair strongly, the biggest advantage of lead and plumbic boracic glair is glossiness strong, flexibility is good, can apply to a variety of base substrate, can strengthen lubricious glair show scene, but the harm that considers plumbic poison, answer to be used less as far as possible at present.
