PTFE Insulators — Material Specifications, Engineering Data & OEM Supply
PTFE Insulators by HEMSUN is manufactured in Gujarat, India, delivering high-reliability performance in aggressive fluid handling and chemical environments. Formulated from premium PTFE fluoropolymer to provide low friction, high dielectric strength, and precise drawing tolerances.
Where PTFE Insulators is used
Electrical standoff and barrier where dielectric strength must hold up at elevated temperature.
PTFE suits insulators because dielectric strength holds up at temperature where most polymers soften.
Common in switchgear, transformers and cable assemblies where creepage and dielectric strength are designed in.
Key properties
In-house PTFE Insulators production
moulding and CNC under one roof
Drawing, CAD (STEP/IGES/DXF), or sample-based reverse engineering
PTFE grade options matched to chemical and thermal duty
Dimensional inspection with reports on request
IEC-registered exporter
worldwide packing and docs
Flexible MOQ
prototypes, pilot lots, recurring OEM supply
Specifications
| Property | Value |
|---|---|
| Component Type & Grade | PTFE Insulators (Specification Code HES-227) |
| Base Raw Material | PTFE fluoropolymer (Virgin FDA 21 CFR 177.1550 / Custom Filled) |
| Continuous Service Temp. | -200°C to +260°C (-328°F to +500°F) |
| Tensile Strength at Break | 20 to 35 MPa (Virgin) / 14 to 25 MPa (Filled) |
| Elongation at Break | 250% to 450% (ASTM D4894) |
| Specific Gravity / Density | 2.14 to 2.18 g/cm³ (ASTM D792) |
| Dielectric Strength | 50 to 80 kV/mm (0.1 mm film) |
| Surface Roughness Finish | Diamond Polished Ra ≤ 0.20 µm to Ra ≤ 0.40 µm |
| Dimensional Tolerance | ISO Grade 1 to Grade 3 / Drawing Nominals (±0.02 mm) |
| Manufacturing & Origin | Moulded, Sintered & CNC Machined in Dahegam, Gandhinagar, Gujarat, India |
Manufacturing process
Production of PTFE Insulators combines cold isostatic/uniaxial compaction of PTFE fluoropolymer powder with multi-stage thermal free-sintering. Compaction loads are held under precise electronic dwell timing to bleed out microscopic air pockets. Sintered blanks are then transferred to climate-controlled CNC turning and milling centers to machine critical drawing features.
Material selection notes
Manufactured from PTFE fluoropolymer, this component combines high tensile strength (20–35 MPa) with excellent chemical and weathering resistance. The material maintains flexibility at low temperatures while providing stable compressive support under high system pressures.
How to specify your order
For engineering consultation on PTFE Insulators, send your component specifications, media compatibility parameters, and production batch sizes. We provide material datasheets, sample trial options, and detailed technical quotes within one business day.
Quality checks and inspection
Inspection protocols for PTFE Insulators encompass dimensional coordinate verification, density testing, sphericity profilometry on balls, and visual surface inspection under optical magnification. Full mill test certificates (MTR) accompany all shipments.
Ordering and export documentation
Domestic PTFE Insulators orders ship with GST invoice and e-way bill where applicable. Export orders include commercial invoice, packing list, and certificate of origin from our IEC-registered works. Air and sea freight packing with desiccant and shock protection for international buyers Contact info@hemsun.com or sales@hemsun.com with your PTFE components specification.
Export packing and lead time
International distribution of PTFE Insulators is supported with multi-currency commercial terms, export shipping documentation, and protective multi-layer packaging to ensure components arrive in pristine condition worldwide.
Storage and handling
Storage, installation, and operating recommendations for PTFE Insulators: Store in clean, temperature-controlled dry storage away from direct UV exposure and particulate contamination. When installing in valve bodies or pump housings, ensure mating surfaces are free of sharp burrs to avoid seal lip damage.
Compliance & Standards
HEMSUN is a DGFT IEC registered exporter (Government of India). Dimensions are verified on calibrated gauges against the supplied drawing and sintered density checked per ASTM D792. A mill test certificate ships with the order. Export paperwork — commercial invoice, packing list and certificate of origin — accompanies international despatch.
Frequently Asked Questions
What PTFE Insulators options does HEMSUN manufacture?
PTFE Insulators by HEMSUN is manufactured in Gujarat, India, delivering high-reliability performance in aggressive fluid handling and chemical environments. Formulated from premium PTFE fluoropolymer to provide low fric…
Can you supply PTFE Insulators for OEM and export orders?
Yes. We support prototype lots, recurring OEM programmes, and export packing with material certificates and dimensional inspection reports on request. Typical RFQ response is within one business day when drawings are complete.
How do I request a quote for PTFE Insulators?
Send material grade, dimensions or drawing, quantity, application media, and operating temperature/pressure via https://hemsun.com/contact. Our engineering team confirms manufacturability, lead time, and pricing.
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