Feinforced PTFE Material Main seal, Corrosion Resistance Main Seal Model:AL1412 lining PTFE loading arm Suitable occasion:loading/unloading strong acid. Suitable medium:hydrochloric acid,thin sulfuric acid,dilute nitric acid,etc. Find here details of Hechang selling lining PTFE loading arm. All the products with super quality and competitive price. Our company is a leader in the industry and we will not disappoint you.