Synthetic Quartz

All ALCHEMIST products are designed to meet the standards required in industrial fields, and based on accumulated technological expertise, our durability, precision, and stability are further enhanced for reliable use.

Synthetic Quartz

Etching Parts

ALCHEMIST’s synthetic quartz features high purity and low OH content.
With a high-density structure free of internal bubble defects,
it reduces particle generation during etching processes.

Specification

	OH	F	CI	Pb	Sn
	ppm			ppb
EQ#01	≤1	0.5	976	≤0.1	≤0.1
EQ#02	≤200	3	5	≤0.1	≤0.1
EQ#03	≤1300	100	100	≤1.0	≤1.0

※ NQ #4 : Natural quartz materials and parts are also supported

Unit : ppb

Item	Al	Be	Ca	Co	Cr	Cu	Fe	K	Li	Mg	Mn	Na	Ni	Ti	V	Zn
EQ#01	≤10	≤1	≤10	≤1	≤1	≤1	≤5	≤30	≤1	≤10	≤1	≤15	≤1	≤1	≤1	≤1
EQ#02	≤10	≤1	≤10	≤1	≤1	≤1	≤5	≤30	≤1	≤10	≤1	≤15	≤1	≤1	≤1	≤1

Physical Properties

Items	Values
Density ( g/cm3 )	2.2
Coefficient of Thermal Expansion ( x10-7 /K )	5.5
Softening Point (˚C )	1.670
Annealing Point (˚C )	1.210
Strain Point (˚C )	1.070
Thermal Conductivity(20 ℃ , w/m.k)	1.38