• Leak testing scope: 10+3 to 10-6 mbar
• Minimum detectable leak rate:
  • Vacuum Mode: 5 x 10^-12 mbar.l.s^-1
  • Sniffer Mode: 5 x 10^-9 mbar.l.s^-1
• Leak testing of sealed components: Helium bombing technique
• Provision of leak testing services: Helium bombing technique
  • Vacuum systems, vacuum furnaces, vacuum coating system, welds & joints
  • Metalizer plant, cryogenic vessels, vacuum chambers, oil dehydration plant
  • Pharmaceutical industry, food industry, packaging industry, automobile industry

• Base pressure: < 1 x 10^-8 mbar
• Temperature Range: (23-125) °C
• Standard followed: 5 x 10^-9 mbar.l.s^-1
  • Total mass loss technique (ECSS-Q-ST-70-02C)
  • Accumulation technique (ISO/PS 20177: 2018)
• Applications: Qualification testing of materials / components for vacuum and space applications

• Vacuum Range: 1x 10^-2 mbar
  • Temperature Range: upto 300°C (Adjustable)
• Applications: Degassing of epoxy materials/ vacuum components, drying of nanomaterials etc.

NINVAST has developed performance evaluation setups using different techniques of the following pumps:

• Rotary Pump
• Roots Pump
• Diffusion Pump

• Scope:
  • Pump repair/overhauling facility
  • Pump leak testing facility
  • Vacuum generation facility up to 10^-9 mbar
  • Pump performance monitoring via VFD (Variable frequency drive)
• QMS certification: ISO 9001:2015 from Certification Services of Pakistan (CeSP).
• Potential Clients: R&D organizations Universities and industries including; cryogenics, packaging, pharmaceutical etc.

NINVAST delivers following services on user’s request:

• Upgradation of existing vacuum systems
• Vacuum system design & integration
• Equipped with CAD-Modeling, Inventor, Solid Edge

Following facilities are available

• Lathe Machines
• Milling Machine
• Drilling Machine
• Surface Grinding Machine
• Engraving Machine
• Power Hacksaw Machine
• Welding and fabrication facility

• E-Beam Evaporation System
  • Electro-Polished Stainless Steel Chamber (D-shaped Box)
  • 4” Diameter View Port on Front Door with Manual Shutter
  • Single/Multi Pocket E-beam Sources with Water Cooled Crucible (4cc up to 75cc)
  • High Voltage Power Supply (3kW to 15 kW) with X-Y Sweep Controller
  • Substrate Size: Maximum 8 inch diameter
  • Maximum melting temperature of source material: ̴3000˚C
  • Quartz Crystal Thickness Sensor with Deposition Controller (10 A˚ - 100 nm)
  • PLC Controlled System
  • Applications: ceramic coatings, oxides, compounds, alloys, hard, optical etc.

• Thermal Evaporation System
  • Sample Size: 450 x 535 mm
  • Maximum attainable temperature: 2000°C
  • Applications: Optical coatings, metallic coatings, ohmic contacts, thermal reflective coatings, reflective mirrors etc.

• PTFE Coating
  • Spray technique
  • Large area can be coated
  • Applications: Anti-corrosion, chemically resistant, self-lubrication, thermal/electrical insulation

• Spin Coater
  • RPM: 0 – 5000 (Adjustable)
  • Substrate Size: 25mm x 25mm
  • Applications: All type of solution based coatings

• Tube Furnace
  • Maximum Temperature: ~1400⁰C with ramp control
  • Base Pressure: ~10^-2 mbar
  • Quartz Tube with glass to metal flanges
  • Controlled environment (Argon / Nitrogen, any other gas)
  • Applications: vacuum heat treatment, annealing, sintering, drying, calcination etc.

• Vacuum Oven
  • Maximum Temperature: ~200 ⁰C with ramp control
  • Working Pressure: ~10^-2 mbar
  • Controlled environment:Argon/Nitrogen etc.
  • Applications: vacuum heat treatment, annealing, drying, calcination etc.

• Autoclave
  • Maximum Temperature: ~300 ⁰C
  • Maximum Pressure: 3 bar
  • Solution capacity: 50-75 ml
  • Material: Stainless Steel
  • Application:
    • Chemical reaction at high pressure without solvent evaporation
    • Hydrothermal synthesis