264800
The glass core has a temperature resistance of up to 550 ° C ( 1022 ° F ) and the PTFE coating is heat-resistant up to 230 ° C ( 446 ° F ) .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None