PTFE/XYLAN/TEFLON COATED FASTENERS, BOLTS, STUDS, SCREWS
PTFE Stands for Polytetraflurorethylene Coatings. It is also called as BFC/XYLAN/TEFLON Coatings. PTFE Coated bolts provides excellant corrosion resistance, low torque friction, consistency in tensioning & noticeable ease in installation. These coating provides Fasteners extra protection from aggressive corrosive environment like Sea Water & similar salty water lapping. We manufacturer & Supply almost all grades of fasteners with such PTFE Coatings.
TECHNICAL SPECIFICATIONS | |||||
WORKING TEMPERATURE | UPTO 260°C | ||||
CORROSION RESISTANCE | SALT SPRAY (ASTM B117) UP TO 3,000 HOURS ( NUTS NOT FROZEN ) | ||||
PENCIL HARDNESS | 5H – 6H ( ASTM D3363-92A ) | ||||
KINETIC FRICTION CO-EFFICIENT | 0.06 TO 0.08 | ||||
THICKNESS | NOMINAL 0.001” (1 MIL) | ||||
IMPACT | 160 IN LB (ASTM D2794-93) | ||||
ADHESION | 5B (ASTM D3359-95) | ||||
ELONGATION | 35% TO 50% | ||||
TENSILE STRENGTH | 4000 P.S.I | ||||
OPERATING PRESSURE | UPTO 100000 P.S.I |
Material:
ASTM A193 Gr. B7, B8, B8M, B16, B6, B5, B8T, B8MA (High Temperature / Pressure Service Bolts)
ASTM 320-L7, L7M, L43, B8, B8M, B8T, B8MA (Low Temperature Service Bolts )
ASTM A194 Gr. 2H, 2HM, 3, 4, 6, 7, 7M, 8, 8A, 8M, 8C, 8CA, 8T (High Temperature / Pressure Nuts )
Super Alloys Material including Hastelloys, Incoloys, Inconels, Monel 400, Monel K500 & UNS SC31803
MATERIAL SPECIFICATIONS FOR BOLTS AND NUTS
TENSILE AND HARDNESS REQUIREMENTS FOR BOLTS AND NUTS
DIMENSIONS OF FLANGE BOLTS(ANSI B16.5)
Coating :
Zinc Electroplating
Hot Dip Galvanization
Hot Dip Aluminum Plating
Dacromet coatings
Cadmium Electroplating
PTFE® Coatings
Xylan ®Coatings