DuPont™ Vespel® SP-211 Sheet

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Min. Order:: 1 Kilogram

Min. Order:: 1 Kilogram

Transportation:: Ocean, Land, Air, Express

Port:: Shenzhen, Guangzhou, Hongkong

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Basic Info

Supply Ability:	100
Payment Type:	T/T,Paypal
Incoterm:	FOB,CFR,CIF,EXW,DDP,DDU
Transportation:	Ocean,Land,Air,Express
Port:	Shenzhen,Guangzhou,Hongkong

Product Description

DuPont™ Vespel® SP-211 has a lower coefficient of friction than SP-21 without lubrication in various applications. Vespel® SP-211 offers excellent wear resistance up to 300˚F (149˚C). Available as custom parts or stock shapes.

DuPont™ Vespel® SP-211 is available as isostatically molded billet and unidirectionally pressed slab specified as Type II, Class 3M and Type II, Class 3P respectively per ASTM 6456-10 / MIL-R-46198. Vespel® SP-211 is specified as Class 4 per AMS 3644G.

Vespel Sp 211 2 Jpg Vespel Sp 211 Jpg

Key Properties

High Strength at High Temperatures

Low Friction

Low Wear

Limitations

Chemical Resistance to Some Strong Acids and Bases

Hydrolyzes in Presence of Steam

Applications

Bushings & Bearing

Dynamic Seals

Thrust Washers

Typical Properties of Vespel ® Polyimide SP-211 Graphite & PTFE Filled

Description			Value
Material Type			Imidized Amorphous Thermoplastic
Chemical Name			PI Polyimide
Trade Name			DuPont™ Vespel® Polyimide SP-211
Additives			15% Graphite & 10% PTFE
Color			Black
Manufacturer			DuPont
PHYSICAL
Property	Test	Unit of Measure	Value
Density	ASTM D792	g/cm³	1.55
	ASTM D792	lb/in³	0.056
Water Absorption, 24 hrs, Immersion	ASTM D570	% by wt.	0.21
MECHANICAL
Property	Test	Unit of Measure	Value
Tensile Strength	ASTM D638	psi	6500
Tensile Elongation at Break	ASTM D638	%	3.5
Flexural Strength	ASTM D790	psi	10000
Flexural Modulus	ASTM D790	psi	450000
Compressive Strength	ASTM D695	psi	14800
Compressive Modulus	ASTM D695	psi	300000
Hardness	ASTM D785	NA	Rockwell E1 - 20
Static Coefficient of Friction	Static COF in Air*	NA	0.2
Dynamic Coefficient of Friction	COF@PV = 3.5 MPa m/s (100K psi-ft/min)*	NA	0.08
THERMAL
Property	Test	Unit of Measure	Value
Coefficient of Linear Thermal Expansion	ASTM D696	x 10-5 in./in./°F	3
Max Continuous Operating Temp		°C	260
		°F	500
Minimum Operating Temp		°C	-195
		°F	-319
Thermal Conductivity	ASTM C117	BTU-in/ft²-hr-°F	5.3
	ASTM C117	x 10^4 cal/cm-sec-°C	18.3
Flammability Rating	UL94	NA	V-0

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Related Keywords

DuPont Vespel SP-211 Sheet , DuPont Vespel SP-211 Rod , Vespel SP-1 SP-21 SP-22 SP-211 SP-3