PTFE Insulator — Material Specifications, Engineering Data & OEM Supply
HEMSUN ENGG. INDUSTRIES manufactures PTFE Insulator in Dahegam, Gandhinagar, Gujarat, India for high-performance industrial sealing, chemical processing, and valve OEM applications. Engineered from 100% virgin and custom-filled PTFE fluoropolymer, featuring chemical inertness (pH 0–14), wide operating temperature (-200°C to +260°C), and precision CMM-inspected tolerances for domestic and export supply.
Where PTFE Insulator 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 Insulator 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 Insulator (Specification Code HES-969) |
| 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
At our Gujarat works, PTFE Insulator is fabricated through specialized powder compression moulding and thermal sintering cycles. Virgin or filled PTFE fluoropolymer powder is volumetrically charged into hardened tool steel dies, compacted under 300–420 kg/cm² force, and sintered for one hour per 25 mm of wall thickness to guarantee homogeneous matrix density.
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
When requesting a proposal for PTFE Insulator, please provide 2D/3D component drawings with dimensional tolerances, material resin grade (virgin or specific filler ratio), operating pressure/temperature conditions, and required batch quantities. Our engineering team reviews manufacturability and returns quotes within 24 hours.
Quality checks and inspection
Inspection protocols for PTFE Insulator 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 Insulator 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 Insulator 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
Maintenance and care for PTFE Insulator: Clean components using neutral solvent degreasers or warm water solutions. Avoid metal scrapers or abrasive pads that could abrade the precision-machined sealing surfaces.
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 Insulator options does HEMSUN manufacture?
HEMSUN ENGG. INDUSTRIES manufactures PTFE Insulator in Dahegam, Gandhinagar, Gujarat, India for high-performance industrial sealing, chemical processing, and valve OEM applications. Engineered from 100% virgin and custo…
Can you supply PTFE Insulator 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 Insulator?
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.