Views: 25 Author: Site Editor Publish Time: 2020-03-20 Origin: Site
1. PEEK has good heat and water resistance and steam resistance among all engineering plastics. PEEK polymer and its composite products (i.e. filled with glass fiber, carbon fiber, graphite, PTFE, etc.) can resist the chemical damage caused by water or high pressure steam, can be continuously used in hot water and high pressure steam conditions, and still maintain good mechanical properties.
2. The good hydrolysis resistance of PEEK and its composite products can be repeatedly subjected to high temperature and high pressure steam disinfection, which can not be sustained by other thermoplastics for a long time, so PEEK has been successfully used in harsh parts of therapeutic instruments and other fields.
3. PEEK and its composite materials under the steam conditions of 200℃ and 1.4MPa mechanical properties change detection data:
mechanical
Test standard
indicators
requirements
Time of measurement results (in hours)
75
350
1000
2000
2500
tensile strength
(MPa)
PEEK5600G
ISO527
92
95
97
97
97
97
PEEK5600GF30
134
98
93
90
92
89
bending strength
(MPa)
PEEK5600G
ISO178
142
162
165
159
169
156
PEEK5600GF30
216
177
164
167
167
166
Bending modulus
(GPa)
PEEK5600G
ISO178
3.7
4
4
3.8
4
3.6
PEEK5600GF30
9.8
9.1
8.3
9
8.9
8.7
elongation at break
(%)
PEEK5600G
ISO527
40
15
15
12
7
9
PEEK5600GF30
3
3
3
3
3
3
4. The test shows that: PEEK polymer and its composite products can be used in high temperature and high pressure steam for medium and long-term continuous, little change mechanical properties, mechanical properties of the original work for a period of time will increase, mainly because of PEEK parts in injection molding process the release of stress, and with the increase of temperature of PEEK parts, the equivalent of PEEK parts for the heat treatment, The crystallinity is further improved.
Jingjiang Mitong PEEK Co,Ltd specializes in researching and developing applicable Polyetheretherketone(PEEK),Polyimide(PI)and other high-quality engineering plastics with high industrial standard,and has applied them into actual using area in form of profile,bars,sheet,pipe and faliment.