Application: Lab Glassware, Gift/Craft, Home Decoration. Model: HH Boro 18.
Overview
The Coe3.3 High Borosilicate Glass Tube for Industrial Explosion Proof Lighting, is supplied as a lighting protective glass made from Glass. Listed geometry: size Diameter 90-250mm, round shape. Optical / electrical data: transmittance Clear glass ensures stable luminous efficiency, sheet resistance Low expansion structure prevents burst under high temperature difference. Listed for Lab Glassware, Gift, Craft and Home Decoration applications. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
Material
Glass
Shape
Round
Size
Diameter 90-250mm
Style
Modern
Model NO.
HH Boro 18
Item
Borosilicate 3.3 Glass Tube for Explosion Proof
Process
Cut, Polish, Ground, Printing
Use
Lab Glassware, Gift/Craft, Home Decoration
Special Process
Annealed to Remove Inner Stress
Property
Heat Resistant and Eco Friendly
Property 2
Acid and Alkali Resistant
Excellent explosion & crack resistance
Low expansion structure prevents burst under high temperature difference
High mechanical strength
Anti-impact, reduce safety hazards in dangerous workshops
High light transmittance
Clear glass ensures stable luminous efficiency
Corrosion resistant
Tolerate chemical vapor, acid and alkali environments
Stable performance
No yellowing or light attenuation after long continuous lighting
Customizable dimensions
OD, wall thickness and cut length on demand
Transport
By ship or express
Supplier
Jinan Honhai Glass Company Limited
Technical data
Physical data of COE 3.3 borosilicate glass tube
No.
Physics Performance
Numerical Value
Unit
1
Medium coefficient of linear expansion α20/300 acc.To DIN 52328
Temperature for the specific electrical resistance of 108Ω·cm(DIN52326)tk 100
250
degree Celsius
12
Stress-optical constant(DIN52314)K
4.0
10-6mm2/N
Composition
SiO2
B2O3
Na2O + K2O
Al2O3
approx.weight %
81
13
4
2
high borosilicate 3.3 glass tube
Description
Rate
Water resistance to ISO720
1
Water resistance to European Pharmacopoeia
1
Water resistance to USP23
1
Acid resistance Class(DIN12116)
1
Alkali resistance Class(ISO695)
2
What to specify when you request a quote
Glass type and thickness — listed as “Glass”; name the glass (soda-lime, aluminosilicate, borosilicate) and thickness.
Strengthening — listed as “Anti-impact, reduce safety hazards in dangerous workshops”; state thermal tempering or chemical strengthening and the required surface compression or impact rating.
Printing and coatings — list silk-screen colours, windows, and any AR / AG / AF coating.
Outline and edges — listed as “Round”; send a drawing with cut-outs, holes and edge finish.
Optical requirements — listed as “Clear glass ensures stable luminous efficiency”; give transmission, haze or gloss targets for the viewing area.
What is the Coe3.3 High Borosilicate Glass Tube for Industrial Explosion Proof Lighting, made of? expand_more
It is listed as Glass. Other grades can be quoted if your application needs different transmission, thermal or chemical properties.
What sizes and thicknesses are available? expand_more
The listing gives size Diameter 90-250mm. Custom outlines and thicknesses are made to drawing; state the tolerance you need.
What optical or electrical performance does it have? expand_more
Listed values: transmittance Clear glass ensures stable luminous efficiency, sheet resistance Low expansion structure prevents burst under high temperature difference. Confirm the values at your operating wavelength, angle and temperature when you request a quote.
Where is this lighting protective glass used? expand_more
Listed applications: Lab Glassware, Gift, Craft and Home Decoration.
What should I include in a quote request? expand_more
Include glass type and thickness, strengthening, printing and coatings, outline and edges and optical requirements, plus quantity and a drawing if the part is custom.
Configure in 3D, draw in 2D
3D Model & 2D Drawing Builder
PRECISION GLASS3D
3D Precision Glass ConfiguratorBuild a visual 3D preview for custom precision glass parts, including wafers, microfluidic chips, coated glass, optical filters, and machined quartz plates.This tool is for visual configuration only. Final dimensions, tolerances, materials, coatings, and manufacturability will be reviewed from your drawing or specification.
Paste a configuration JSON (from Export) or a copied RFQ summary. The product and all recognized parameters are applied automatically; unknown parameters are listed and skipped.
Answer the choices below step by step — every value comes from the real option list, so it always renders.
Save the current configuration under a name and recall it any time on this device.
2D PreviewYour browser is showing a simplified engineering preview because WebGL is unavailable.
LED / OLED Cover Glass Builder
Interactive visual preview for custom precision glass configuration.
CMD
Import Code (One-Click Recall)
Save this code before you leave — it is the only way to recall this exact model. If you lose it, your configuration cannot be restored.
SUBMIT RFQ — ENGINEERING REVIEWYour current 3D configuration and specification summary are attached automatically. Attach a drawing if you have one.
FREQUENTLY ASKED QUESTIONSWhat machined features can be added to cover glass?
Edge grooves, a center cavity or an edge step for module packaging, each with adjustable width and depth. Functional coatings such as AR, anti-fingerprint, ITO or a black border print are also available.
Which edge finishes are supported?
As-cut, ground, polished or C-chamfer. The preview color-codes the edge and shows a double line for a C-chamfer.
Lead Free Glass Tube for Lighting (HH Lighting glass 05) — a lighting protective glass: High Barium Lead-Free Glass (. Specs, RFQ checklist and custom…
This website uses only necessary and functional cookies to operate, secure, and improve basic website performance.
We do not use advertising cookies, Google Analytics, or cross-site tracking technologies.
Privacy Policy
