About Sag Engineers
Your Trusted Partner for High-Quality PTFE Products
For over 25 years, Sag Engineers has established itself as an authoritative manufacturer and supplier of specialized PTFE (Polytetrafluoroethylene), Fluon, and high-performance engineering plastics in India.
We are dedicated to providing our industrial clients with unmatched quality, zero-defect consistency, and extensive technical application support in solving complex sealing, chemical attack, and mechanical wear challenges.
Our Mission
To engineer the highest precision fluoropolymer and composite plastic parts that protect chemical, pharmaceutical, and mechanical equipment from downtime, hazardous leaks, and excessive friction.
Our Vision
To be the most dependable and technically proficient engineering partner in India and global export markets for PTFE solutions, continually innovating our molding, compounding, and CNC capabilities.
Quality Assurance
Every batch undergoes rigorous quality checks: resin density verification, tensile strength, elongation at break, dielectric breakdown tests, and 100% dimensional inspection with calibrated micrometers.
What Sets Sag Engineers Apart
We deliver direct factory advantages that empower plant managers, design engineers, and procurement teams.
Reliable Partner
We are committed to dependable on-time delivery, emergency replacement turnaround, and consistent batch-to-batch repeatability for maintenance and OEM contracts.
Experienced Technical Team
Our senior engineers possess deep domain knowledge in polymer rheology, filler blending, and chemical compatibility, assisting you in selecting the ideal grade for your application.
Competitive Factory Pricing
As direct manufacturers with complete in-house sintering and machining infrastructure, we eliminate middleman overheads, delivering exceptional value for your procurement budget.
PTFE Material Properties & Test Standards
Typical physical, mechanical, thermal, and electrical properties of Sag Engineers Virgin PTFE Grade:
| Property | Test Standard | Metric Units | Typical Value (Virgin PTFE) |
|---|---|---|---|
| Specific Gravity / Density | ASTM D792 | g / cm³ | 2.14 – 2.20 |
| Tensile Strength | ASTM D4894 / D638 | kg / cm² (MPa) | 200 – 350 kg/cm² (20 - 35 MPa) |
| Elongation at Break | ASTM D4894 / D638 | % | 250% – 450% |
| Continuous Operating Temperature | UL 746B | °C | -200°C to +260°C (Intermittent: 300°C) |
| Melting Point | ASTM D3418 | °C | 327°C ± 5°C |
| Coefficient of Linear Thermal Expansion | ASTM D696 | 10⁻⁵ / °C | 10 – 15 |
| Dielectric Strength (Short Time 0.5mm) | ASTM D149 | kV / mm | 40 – 80 kV/mm |
| Dielectric Constant (60 Hz to 2 GHz) | ASTM D150 | – | 2.0 – 2.1 (Ultra-low, invariant) |
| Surface & Volume Resistivity | ASTM D257 | Ohm • cm | > 10¹⁸ (Highest of all polymers) |
| Coefficient of Dynamic Friction | ASTM D1894 | – | 0.05 – 0.10 (Self-lubricating) |
| Water Absorption (24 hrs) | ASTM D570 | % | 0.00% (Completely Non-hygroscopic) |
| Flammability Rating | UL 94 | Rating | V-0 (Non-flammable, self-extinguishing) |