Cam-Tite - Metal Ball Valves - ITT Engineered Valves - #9

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PEEK 9cdl drill Jcdl
Components
PEEK is a tough high temperature engineered thermoplastic offering broad chemical resistance, excellent recovery from deforma­tion, a high degree of dimensional stability, and exceptional resistance to hydrolysis. PEEK has outstanding abrasion resistance and is not sensitive to dynamic fatigue.
G2000 PEEK
Chemical
Since G2000 PEEK is a virgin crystalline polymer, its resistance to chemical attack is excellent. G2000 PEEK is recommended for most environments other than strong oxidiz­ers. It is compatible with numerous acids, bases, and aliphatic and aromatic hydrocar­bons.
G3000 PEEK
G3000 PEEK combines the basic properties of the G2000 PEEK with that of carbon graphite and PTFE fillers, yielding a seating material with greater stability at higher temperatures and significantly reduced seating torque. Due to its filled content, G3000 PEEK is an excellent choice for high temperature applications, having a maximum temperature capability of 550°F (288°C).
Table 1
Comparison of typical physical properties
G3000
G2000
PTFE
Property
PEEK
PEEK
PTFE
Filled
Specific Gravity
1.48
1.32
2.20
2.19
Hardness (Shore) A
D85
D85
D50-55
D50-60
Tensile Strength (psi)
17,000
14,500
4000
2000
Tensile Elongation(%)
5
35
300
200
Flexural Strength (psi)
30,500
16,000
No break
-
Flexural Modulus (psi)
1.45M
550,000
90,000-
100,000
-
Shear Strength (psi)
@ 100F
-
12,000
2800
3400
@ 200F
-
11,000
1900
2750
@ 300F
7,750
9,000
1700
2500
@ 400F
-
6,500
-
-
@ 500F
-
3,800
-
-
Impact Strength
Notched IZOD
9
1.6
-
2.7
Tensile (ft-lbs/in)
-
-
30-200
-
Steam
Unlike most thermoplastics, G2000 PEEK will not hydrolize and is recommended for use in steam service and other high-temperature aqueous processes.
Nuclear
G2000 PEEK offers excellent resistance to embrittlement when exposed to gamma radiation. This resistance is maintained in both acid and alkali media.
» Rockwell "D"Scale
7

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