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PTFE products are generally referred to as "non-stick coatings". It is a synthetic polymer material that uses fluorine to replace all hydrogen atoms in polyethylene. PTFE cnc machining is resistant to acid, alkali and various organic solvents. It is almost insoluble in all solvents. PTFE cnc is also resistant to high and low temperatures, up to -180°C to 260°C. Its friction coefficient is extremely low, and the friction with steel can reach 0.04, which is close to rolling friction and can be used for lubrication.

AAI ATC 2025 Crash Course - Freedom Batch Who It's For This course is specially designed for aspirants preparing for the AAI ATC 2025 exam who want a structured, affordable, and flexible study plan. Ideal for students and working professionals who prefer self-paced learning without the pressure of live classes. Key Features Budget-Friendly: Offered at a heavily subsidized price to support aspirants with limited financial resources. Fully Recorded Format: No live sessions-study anytime with complete access to structured video lectures. 2025-Test Series Ready: Includes topic-wise, sectional, and full-length mock tests based on the latest exam pattern. Based on NCERT + PYQs: Focused preparation using 11th and 12th-grade Physics and Mathematics along with previous-year questions. No Distractions: No random or recycled content-everything is made specifically for the 2025 ATC exam. Course Inclusions Subjects: Physics (Class 11 & 12) Mathematics (Class 11 & 12) Study Material: Topic-wise assignments (20 questions each) Chapter-end quizzes Weekly full-length mock tests 500+ ATC-level practice problems Concept-based short eBooks Lecture PDFs & formula reference books NCERT-based concept charts Current Affairs: Daily video summaries Monthly current affairs compilations Exam Strategy Add-ons: Time management guidance Smart attempt strategy sessions Format & Duration Course Validity: 6 months Language: Lectures: Bilingual (Hindi + English) PDFs/eBooks: English Access: Available 24/7 on mobile and desktop Live Classes: Not included (fully recorded batch) Pricing Discounted Fee: ₹1,999 Original Fee: ₹3,999 Refunds: Not available (digital course) Optional Upgrade Learners can upgrade to a live mentorship course later, often with fee adjustments if done within the Freedom Batch validity. Why Choose This Batch? Feature Benefit Affordable Pricing Great for tight budgets Structured Learning Focused syllabus with no distractions Self-Paced F