Chemistry · Polymers
निम्नलिखित में से किस सामग्री में स्व-स्नेहक (self-lubricating) गुण होते हैं, जो रसायनों के हमले के प्रति अत्यधिक प्रतिरोधी है और जिसकी लागत बहुत अधिक होती है?
- 1नायलॉन (Nylon)
- 2लैमिनेटेड फेनोलिक्स (Laminated phenolics)
- 3सिंटर्ड मिश्र धातु (Sintered alloys)
- 4टेफ्लॉन (Teflon)✓
सही उत्तर देखें
टेफ्लॉन (Teflon)
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