1. no bubble no stripe 2. polish two surfaces 3. the competitive price 4. good reoutation

Quartz glass        JGS1 JGS2 JGS3

JGS1( ZS-1)       JGS2(ZS-2)     JGS3(HS)

1. The technical force of our company is rich. We have rich experience to manufacture quartz glass.

2. We have the competitive price.

3. Dimension tolerence: +/-0.01 -  +/-0.2mm( according to the requirement)

4. Surface quality :40/20   60/40   80/50

5. Thickness: 0.6mm - 30mm  (according to the requirement)

A variety of optical quartz glass can achieve the highest category

 ZS-1ZS-2HSSpectral characteristicsThe average transmittanceBubble classBirefringenceGrain structureStripeUniformityFluorescenceRadiation Performance

180-2500nm	200-2500nm	260-3500nm
90%	85%	85%
0	2	2
1-2	1-2	1-2
1	2	2
1-2	1-2	2
1-2	2	2
1	2	2
Does not change color	Slight discoloration	Change color

  

 quartz glass characteristics

Thermal  properties	Standard value
Transformation point	1280°c
Softening point	1780°c
Annealing point	1250°c
Specific heat	670J/kg.°c
Thermal conductivity	1.4W/m.°c
Index of refraction	1.4585
Thermal processing temperature	1750 - 2050°c
Short-term use temerature	1300°c
Long-term use temerature	1100°c

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