Model: HHLGG.
Overview
Tempered Soda-Lime Sight Glass Disc: a sight / viewing glass made from Soda Lime Float Glass. Listed geometry: size Od From 50mm to 500mm, equal shape. Optical / electrical data: transmittance ≥90% visible light, sheet resistance Long working temperature ≤ 450 ° C, short time working ≤ 500 ° C. Temperature Long working temperature ≤ 450 ° C, short time working ≤ 500 ° C. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Soda Lime Float Glass |
|---|---|
| Shape | Equal |
| Size | Od From 50mm to 500mm |
| Head Code | Square |
| Model NO. | HHLGG |
| Connection | Female |
| Item | High Pyrex Pressed Round Sight Glass |
| Process | Cut, Polish, Ground, Tempered |
| Property 1 | Borosilicate Heat Resistant |
| Shipment | by Sea, by Air, by Courier |
| Fluid pipeline | pump sight glass, small tank liquid level viewing disc, pipeline observation window |
| Household appliances | domestic oven, small drying cabinet, disinfection cabinet transparent panel |
| General industrial cabinet | control cabinet window, constant temperature incubator sight glass |
| Light lab equipment | normal-temperature small reaction tank, simple culture chamber light panel |
| Water treatment | water purifier, small filter equipment observation sight glass |
| Light transmittance | ≥90% visible light |
| Standard thickness | 2/3/4/5/6/8/10mm |
| Continuous working temp | -20ºC ~ 120ºC (untempered); -30ºC ~ 180ºC (tempered) |
| Styles | Flat plain disc / stepped tier sight glass / rectangular window |
| Optional processing | CNC polished edge, drilling, silk printing, hydrophobic coating |
| Break feature | Tempered version breaks into safe blunt fragments |
| Temperature resistance | Long working temperature ≤ 450 ° C, short time working ≤ 500 ° C |
| Light transmission rate | 95% up |
| Hydraulic Water-resistant strength | More than test 40Kgf/cm ² |
| Thermal stability | T300 ° C |
| Linear expansion coefficient (0-300 ° C) | 3.3 × 10-7 K-1 |
| Softening temperature | 820° C |
| Supplier | Jinan Honhai Glass Company Limited |
What to specify when you request a quote
- Glass type and thickness — listed as “Soda Lime Float Glass”; name the glass and thickness.
- Temperature and pressure — listed as “Long working temperature ≤ 450 ° C, short time working ≤ 500 ° C”; give working temperature, thermal shock and any pressure rating.
- Strengthening and safety — listed as “More than test 40Kgf/cm ²”; state tempering, lamination or the safety standard.
- Outline and edges — listed as “Equal”; send a drawing with outline, holes and edge finish.
Engineering guides for this part
For material grades and coating options, see Infrared Window Glass: Material Options for Optical Sensors & Parts. How parts like this are machined and finished is covered in How Borosilicate Glass Is Sandblasted for Matte Surface Processing. For an application example, read Quartz Glass Windows for High-Temperature Appliance Modules. Before sending a drawing, check Thermal Conductivity of Quartz Glass & Fused Quartz: A Process Guide. A related standard product is AR Anti-Reflection Optical Window.
