PTFE+Graphite Pump Bush for Pumps and Motors

• Structure: Hollow Pipe
• Pressure: Medium Pressure Mechanical Seals
• Speed: General Speed Mechanical Seal
• Temperature: -200ºC~260ºC
• Performance: Corrosion
• Balance: Balanced
• Model NO.: pump bush
• Color: Black
• Service Branches: USA, Australia, Shanghai, Guangzhou, Wenzhou
• Lead Time: Around 35 Days
• Transport Package: Trisun Standard or Customised
• Specification: Customised
• Trademark: Trisun, Nuetral or customised
• Origin: Made in China
• HS Code: 8484200090
• Production Capacity: 100, 000PCS/Year

Product Description

Pump Bush made in PTFE with Graphite:

Composition: 85% PTFE, 23% Carbon, 2% Graphite

Working temperature from -200ºC to 260ºC 
 

PROPERTIES	UNIT	METHOD	VALUE
Phisical
Density	g/cm3	ASTM D 1457	2.05 - 2.11
Mechanical
Hardness Shore D		ASTM D 2240	62 - 67
Tensile Strength	N/mm2	ASTM D 1457	14 - 19
Elongation at break	%	ASTM D 1457	70 - 120
Compressive strength at 1% deformation	N/mm2	ASTM D 695	7 - 9
Deformation under load at room temp., 24 hours at 13.7 N/mm2	%	ASTM D 621	5 - 6
Permanent deformation as above after releasing of 24 hours at room temp	%	ASTM D 621	2.5 - 4
Deformation under load at 260ºC, 24 hours at 4.1 N/mm2	%	ASTM D 621	11 - 13
Permanent deformation as above after releasing of 24 hours at room temp	%	ASTM D 621	6 - 8
Impact strength IZOD	J/m	ASTM D 256	--
Coefficient of friction (dynamic)		--	0.15 - 0.30