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Thermally Prestressed Borosilicate Glass Tube (Strengthened Borosilicate Glass Pipe / Thermal Tempered Borosilicate Tubing)

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Country of Origin
Indonesia
Shipped From
Taman Sari, Jakarta Barat
Category
Glass Pipe
Last Updated
21 Oct 2026

Specifications of Thermally Prestressed Borosilicate Glass Tube (Strengthened Borosilicate Glass Pipe / Thermal Tempered Borosilicate Tubing)

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Thermally Prestressed Borosilicate Glass Tube (Strengthened Borosilicate Glass Pipe / Thermal Tempered Borosilicate Tubing) High Mechanical Impact, Bending Strength & Thermal Shock Resistance

Thermally Prestressed Borosilicate Glass Tube (Strengthened Borosilicate Glass Pipe / Thermal Tempered Borosilicate Glass Tubing) supplied by CV Jaya Utama Packing is an industrial-grade precision glass component manufactured through controlled thermal prestressing (tempering) processes. Engineered from pure borosilicate glass 3.3 base material, this glass tube is heated near its softening point and rapidly quenched on both surfaces to induce a compressive stress layer on the exterior faces and a tensile stress core internally. This thermal strengthening process increases mechanical bending strength (bending strength), physical impact resistance (impact resistance), and thermal shock endurance limits (thermal shock resistance) to several times that of standard annealed borosilicate glass, while retaining optical transparency and acid chemical resistance. Designed specifically to meet high-safety sight glass requirements on high-pressure vessels, pressurized chemical lines, oil and gas installations, and high-vibration machinery. Explore our complete selection in our glass tube product catalog for your high mechanical strength glass requirements.

  • Enhanced Mechanical Strength & Impact Endurance: Delivers mechanical bending strength and impact resistance 2 to 3 times higher than standard annealed borosilicate glass tubing.
  • Extreme Thermal Shock Endurance (ΔT up to 250 K): Resists severe temperature fluctuations and sudden thermal cycles without structural cracking risks.
  • High Chemical Inertness & Acid Resistance (Hydrolytic Class 1): Retains pure borosilicate 3.3 chemical inertness, resisting boiling water, hot steam, and concentrated acid media.
  • Safety Fracture Pattern Characteristics: Should mechanical loads exceed ultimate thresholds, the glass disintegrates into blunt granular fragments, reducing injury risks.
  • Corporate & B2B Order Compliance: We fulfill wholesale industrial supply contracts and manufacturing orders with official Tax Invoice (Faktur Pajak PPN) issuance and protective shipping options nationwide. Review our credentials on our company profile page.



Technical Specifications & Performance Parameters of Thermally Prestressed Borosilicate Glass Tube

The technical parameter matrix below assists process engineers, pressure vessel designers, instrument technicians, and industrial procurement teams evaluating Thermally Prestressed Borosilicate Glass Tube performance:

Parameter Category Technical Specification Attribute Standard Value / Material Performance Indicator
Material Identification & Standards Product Name & Glass Type Thermally Prestressed Borosilicate Glass Tube / Tempered Borosilicate Glass
Base Glass Composition Borosilicate Glass 3.3 (ISO 3585 / DIN ISO 3585)
Strengthening Method Controlled Thermal Prestressing / Tempering Process
Compliance Standards DIN 7080 / DIN 7081 / ASTM E438 Type I Class A / ROHS Compliant
Dimensional & Geometric Characteristics Outer Diameter Options (OD) 10 mm to 200 mm (Precision Sized Prior to Thermal Processing)
Wall Thickness Range (WT) 2.5 mm to 10.0 mm (Heavy Wall Options for High Pressure)
Standard Length Options 100 mm to 1500 mm (Custom Lengths Cut Prior to Tempering)
End Finish Options Fire-Polished / Ground & Beveled (Processed Prior to Tempering)
Mechanical & Thermal Properties Bending Strength (fv) ≥ 90 N/mm² to 120 N/mm² (2-3x Standard Annealed Glass)
Thermal Shock Resistance (ΔT) ΔT 200 K to 250 K (High Thermal Cycle Endurance)
Continuous Operating Temperature Limit Up to +300°C (Short Intermittent Peak +350°C)
Fracture Behavior Pattern Blunt Granular Fragments (Safe Fracture Dicing)
Chemical Resistance Ratings Hydrolytic & Acid Resistance Ratings Class 1 (ISO 719 / DIN 12116 - High Acid Resistance)
Alkali Resistance Rating Class 2 (ISO 692)



Key Operational Advantages of Thermally Prestressed Borosilicate Glass for High-Pressure Applications

Applying Thermally Prestressed Borosilicate Glass Tube components provides workplace safety, mechanical impact endurance, and thermal reliability:

  • Physical Impact Endurance in Heavy Industrial Environments: Surface compressive stress layers withstand physical impacts and machine vibrations, preventing premature glass cracking. Read technical details in our glass tube articles section.
  • Higher Internal Operating Pressure Capacity: Configured internal stress distribution enables glass pipes to contain higher hydrostatic fluid pressures compared to standard annealed tubing.
  • Maximum Operator Safety: Granular blunt fragmenting reduces injury risks to personnel during emergency overpressure events.
  • Crystal-Clear Optical Transparency: Controlled thermal processing maintains pure borosilicate 3.3 visual clarity for unobstructed fluid monitoring.



Target Applications for Thermally Prestressed Borosilicate Glass Tubes Across Core Industrial Sectors

CV Jaya Utama Packing supplies wholesale and custom pre-cut thermally prestressed borosilicate glass tubes across 5 core industrial sectors:

  1. High-Pressure Boilers & Pressure Vessels: Installed as visual level gauge tubes (sight glass tube) on high-pressure steam boilers and chemical reaction vessels. View choices in our glass tube product catalog.
  2. Oil Refineries, Gas Processing & Offshore Rigs: Installed on level gauge assemblies for pressurized crude oil tanks, liquid LPG lines, and offshore platform fluid monitoring systems.
  3. Aggressive Chemical & Slurry Processing Facilities: Installed as fluid inspection channels carrying corrosive chemicals mixed with abrasive solid particles.
  4. Mining Equipment & Heavy Machinery: Installed as oil sight level gauges on heavy industrial machinery subject to intense operational vibration.
  5. Mechanical & Electrical (M&E) Contractors & Technical Suppliers: Supplied for high-safety replacement projects (MRO replacements) in critical processing plants.



Performance Comparison Matrix: Thermally Prestressed Borosilicate vs Standard Borosilicate 3.3 vs Tempered Soda-Lime Glass vs Fused Quartz Tube

Review this comparison matrix to select the optimal strengthened glass tubing material for your safety criteria:

Performance Evaluation Criteria Prestressed Borosilicate (Jaya Utama) Standard Borosilicate 3.3 Tempered Soda-Lime Glass Fused Quartz Tube
Mechanical Bending Strength Very High (≥ 90 N/mm²) Moderate (≈ 35 N/mm²) High (≈ 120 N/mm²) Very High (≈ 110 N/mm²)
Thermal Shock Resistance (ΔT) Very High (ΔT 250 K) High (ΔT 160 K) Low (ΔT 80 K) Extreme (ΔT 1000 K)
Chemical Inertness & Acid Resistance Very High (Class 1) Very High (Class 1) Moderate (Class 3) Extremely High
Maximum Service Temperature Limit Up to +300°C Up to +500°C Up to +110°C Up to +1100°C
Fracture Safety Characteristics Safe Blunt Granules Large Sharp Shards Safe Blunt Granules Large Sharp Shards



Pre-Tempering Fabrication Services & Important Handling Limitations (Pre-Tempering Fabrication Services)

CV Jaya Utama Packing provides precision cutting and end-finishing services prior to the thermal prestressing process:

  • CRITICAL TECHNICAL LIMITATION (Post-Tempering Cutting Ban): Glass tubes that have undergone thermal prestressing CANNOT be cut, ground, drilled, or flame-polished post-treatment. Any post-tempering cutting or surface modification will disrupt compressive surface strain and cause immediate glass destruction.
  • Pre-Tempering Cutting & Beveling: All cut-to-length sizing, end grinding, beveling, and fire-polishing are completed precisely before loading glass tubes into heat-treatment chambers.
  • Custom Specification Orders: We manufacture tempered borosilicate glass tubes customized to exact length and diameter requirements for your gauge housings. Contact our technical team via our company contact page.



Handling, Installation & Maintenance Guidelines for Prestressed Borosilicate Glass

To protect surface compressive strain layers and prevent material failure on Thermally Prestressed Borosilicate Glass Tube installations, follow these technical instructions:

  • Prevent Deep Exterior Scratches: Avoid scratching outer glass surfaces with hard metal tools or diamond edges. Deep scratches penetrate surface compressive stress layers and trigger spontaneous breakage.
  • Install Flexible Elastomeric Sealing Gaskets: When clamping glass tubes between metal flanges or gland nut housings, install resilient EPDM, Graphite, or PTFE gaskets to absorb mechanical shock loads.
  • Balanced Cross-Pattern Fastener Torquing: Tighten flange bolts in an even, crosswise sequence to prevent localized torsional stress concentrations on the glass tube.



Standard Stock Sizes, Wall Thicknesses & Pre-Cut Options

We supply various outer diameters, wall thicknesses, and pre-cut lengths custom-tempered to your specifications:

Wall Thickness Category Outer Diameter x Wall Thickness (OD x WT) Pre-Cut Specific Lengths
Medium Wall Prestressed Tube 16mm x 3.0mm, 19mm x 3.2mm, 25mm x 4.0mm, 30mm x 4.0mm 100 mm to 1200 mm (Custom Order)
Heavy Wall High-Pressure Tube 20mm x 5.0mm, 25mm x 6.0mm, 30mm x 6.0mm, 40mm x 8.0mm 100 mm to 1000 mm (Custom Order)
Large Diameter Vessel Glass 50mm x 8.0mm, 80mm x 9.0mm, 100mm x 10.0mm, 150mm x 10.0mm 100 mm to 800 mm (Custom Order)



Frequently Asked Questions (FAQ) Regarding Thermally Prestressed Borosilicate Glass Tube

Can thermally prestressed borosilicate glass tubes be cut on site? No. Thermally prestressed glass tubes will shatter into granules if cut or deeply scratched after heat treatment. Sizing and end-finishing must be performed prior to tempering.
Why is tempered borosilicate glass safer for high-pressure sight glass applications? Because it delivers up to 3 times higher mechanical bending strength and fractures into safe blunt granules during emergency overpressure events. Read technical guidance in our glass tube articles section.
How is tempered glass tubing packaged for safe shipping? Each glass tube is wrapped in protective foam padding, sleeved in rigid tubing, and boxed in wooden crates for safe land and sea freight. Select matching products in our product catalog.



About CV Jaya Utama Packing

CV Jaya Utama Packing is an official distributor and supplier of industrial sealing and engineering plastics in Indonesia. We are dedicated to supplying high-grade strengthened glass products, Thermally Prestressed Borosilicate Glass Tubes, technical packings, and custom machined parts for manufacturing, boiler, chemical, and energy industries. Explore our home page for new material arrivals, or check full specifications in our glass tube product catalog. Learn about our corporate credentials on the company profile page, and contact our sales engineering team directly via company contact for technical consultations or project quotation requests.



Technical Consultation & Request for Quotation (RFQ)

Obtain official price quotations for high mechanical strength thermally prestressed borosilicate glass tubes at competitive wholesale rates. Contact the Sales Engineering team at CV Jaya Utama Packing today through our company contact page to receive official RFQs, Technical Data Sheets (TDS), or Thermally Prestressed Borosilicate Glass Tube samples.

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Company Details

Founded In
2000
Business Field
-
Number of Employees
-
We Sell
Tirai Plastik,Gasket,Karet NBR,Karet CR,Karet EPDM,Karet FKM
Address
Pertokoan Glodok Jaya, Lt 3 Blok A No 36 Kel. Mangga Besar Kec. Taman Sari
Mangga Besar, Taman Sari, Jakarta Barat, DKI Jakarta

Company Profile

Supplier of high-quality synthetic rubber and engineering plastics for the industry.

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