ETFE Ball — Material Specifications, Engineering Data & OEM Supply
Produced at our Gujarat manufacturing works, ETFE Ball offers superior sealing and wear resistance for precision valve balls. Combines virgin and reinforced engineering fluoropolymer grades with precision compression moulding and 100% batch quality inspection for OEM applications.
Where ETFE Ball is used
Sealing and flow-control element in ball valves and pump check seats, where sphericity and surface finish decide shutoff tightness and operating torque.
Selected for mechanical toughness and radiation resistance alongside fluoropolymer chemical inertness.
Supplied to drawing across the published range — Diameter
5mm to 310mm — industry-leading ETFE Ball size range; Material: ETFE (Ethylene Tetrafluoroethylene) — toughest fluoropolymer — with dimensional and material reports on request.
Key properties
Diameter
5mm to 310mm — industry-leading ETFE Ball size range
Material
ETFE (Ethylene Tetrafluoroethylene) — toughest fluoropolymer
Grade
ISO 3290 Grade G10 precision
Mechanical Strength
highest of all fluoropolymers, tensile up to 45 MPa
Excellent impact and abrasion resistance
superior to PTFE, FEP, PFA
Good chemical resistance
acids, alkalis, solvents
Temperature range
-200°C to +150°C
UV resistant
excellent for outdoor service
FDA Compliance
grade available on request
When to Choose
PTFE lacks sufficient impact or mechanical strength
Lower chemical resistance range than PTFE
not for HF acid service
IEC registered
export-ready quality
Specifications
| Property | Value |
|---|---|
| Component Type & Grade | ETFE Ball (Specification Code HES-752) |
| Base Raw Material | engineering 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
Our manufacturing route for ETFE Ball begins with precision die compaction of granular engineering 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 selection notes
Designed around the molecular stability of engineering fluoropolymer, ETFE Ball 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.
How to specify your order
RFQ requirements for ETFE Ball: 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 checks and inspection
Our in-house quality inspection team tests ETFE Ball across multiple critical parameters: raw resin lot traceability, preform green density, sintered tensile strength, and finished dimensional compliance using calibrated digital gauges.
Ordering and export documentation
Domestic ETFE Ball 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. Recurring supply schedules supported with fixed drawing revision and lot numbering for plant stores Contact info@hemsun.com or sales@hemsun.com with your balls specification.
Export packing and lead time
We export ETFE Ball to industrial clients across 30+ countries. Shipments include full customs compliance paperwork, Certificate of Origin, and robust export crating engineered for safe international freight.
Storage and handling
Handling and assembly guidelines for ETFE Ball: 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 & Standards
HEMSUN is a DGFT IEC registered exporter (Government of India). Diameter and sphericity are verified on calibrated gauges and the achieved grade is recorded on the inspection report; sintered density is 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
When should I choose ETFE Ball over PTFE Ball?
Choose ETFE Ball when: fluoropolymer chemical resistance is needed alongside higher mechanical strength or impact resistance than PTFE can provide. ETFE Balls handle higher differential pressure across the valve seat and resist cracking under high-velocity fluid impact better than PTFE Balls. Choose PTFE Ball when broadest chemical resistance (including HF) and lowest friction are the priority.
What is the largest ETFE Ball you manufacture?
We manufacture ETFE Balls up to 310mm diameter.
Related Machinery, Tooling & Technical Guides
Manufacturing Presses
Engineering Process Guides
Related Products
Related Articles
Can PTFE Balls Be Used in Drinking Water Systems?
View DetailsChoosing the Right Ball Size for a Check Valve
View Details