Carbon Filled PTFE Manufacturer

Applications

Where Carbon Filled PTFE is used

Supplied as bearings, seal rings and anti-static components where the compound must also conduct.

Carbon filling improves compressive strength, wear resistance and thermal conductivity, and makes the compound electrically conductive.

Features

Key properties

In-house Carbon Filled PTFE 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	Carbon Filled PTFE (Specification Code HES-908)
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

Process

Manufacturing process

Our manufacturing route for Carbon Filled PTFE begins with precision die compaction of granular PTFE fluoropolymer resin under sustained tonnage. Following preform ejection, parts enter multi-zone circulating air sintering ovens where temperatures dwell at 365°C–375°C to achieve full gel coalescence. Components are cooled at controlled rates to optimize crystalline fraction and mechanical stability.

Material

Material selection notes

Designed around the molecular stability of PTFE fluoropolymer, Carbon Filled PTFE offers continuous service in harsh environments with zero chemical attack from oxidizing media. Custom compounding with carbon, bronze, or glass fillers enhances load-bearing capability under dynamic cycling.

Selection

How to specify your order

RFQ requirements for Carbon Filled PTFE: Please state critical bore and surface finish tolerances, operating fluid media, and required quantity. Our engineering team verifies production feasibility and issues comprehensive commercial proposals promptly.

Quality

Quality checks and inspection

Our in-house quality inspection team tests Carbon Filled PTFE across multiple critical parameters: raw resin lot traceability, preform green density, sintered tensile strength, and finished dimensional compliance using calibrated digital gauges.

Supply

Ordering and export documentation

Domestic Carbon Filled PTFE 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

Export packing and lead time

We export Carbon Filled PTFE to industrial clients across 30+ countries. Shipments include full customs compliance paperwork, Certificate of Origin, and robust export crating engineered for safe international freight.

Care

Storage and handling

Handling and assembly guidelines for Carbon Filled PTFE: Components should be kept in protective polybags until final assembly. Use clean, rounded assembly mandrels when installing over shaft threads to prevent surface scratches or edge nicking.

Compliance

Compliance & Standards

HEMSUN is a DGFT IEC registered exporter (Government of India). Filler content and sintered density are verified per ASTM D792 on each batch, with tensile and elongation checked per ASTM D4894. A mill test certificate stating the lot, filler content and measured values ships with the order. Export paperwork — commercial invoice, packing list and certificate of origin — accompanies international despatch.

Frequently Asked Questions

What Carbon Filled PTFE options does HEMSUN manufacture?

Produced at our Gujarat manufacturing works, Carbon Filled PTFE offers superior sealing and wear resistance for carbon filled components. Combines virgin and reinforced PTFE fluoropolymer grades with precision compressi…

Can you supply Carbon Filled PTFE 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 Carbon Filled PTFE?

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.

Carbon Filled PTFE

Where Carbon Filled PTFE is used

Supplied as bearings, seal rings and anti-static components where the compound must also conduct.

Carbon filling improves compressive strength, wear resistance and thermal conductivity, and makes the compound electrically conductive.