Friction Scratch Testing Instruments Friction Scratch Testing Instruments Guangdong Yuwei Testing instrument Co., Ltd , https://www.yuweiinstrument.com
High quality Pu Rubber printing roller
PU(Polyurethane)is an engineering plastic of tough, crack-resistant and abrasion-resistant which lasts significantly longer than conventional rubbers and plastics.
Other properties:
Oil & Solvent resistance
Resistance to acids/bases
Excellent mechanical properties
Resistance to heat aging
Vibration Dampening build up (hysteresis)
Food grade applications
Applications:
Industry: Gears, Cams, Bushes, Bearings, Gaskets, Pulleys, Liners.
Textile: Loom Pivot Bearings, Gears for Looms and Knitting Machines, Shuttles, Rollers.
Metal: Bearings, Bearing Cages, Slipper Pads, Gears, Bushes, Wear Strips, Rollers, Eccentric Rollers, Wobble Box Inserts.
Material Handling Equipments: Cranes / Forklifts / Conveyors, Ropeways
Automobile: Wear Rings, Pads, Swivel Bushes, Throttle Linkages, Bushes, Shakle Pin Bushes
Paper/Sugar Mills: Gears, Bushes Pulleys, Roller Bearings
Bottling & Food Processing: Star Wheels, Scrolls, Guides, Cams, Cam Followers, Rollers, Timing Screws
Marine: Bushes, Gears, Rings, Trunion Bearings, Rollers & Roller Bearings, Stern Tubes
Property
Item No.
Unit
Value
1
Density
g/cm3
1.16
2
Hardness Shore D
--
60(+,-2)
3
Tensile strength
MPa
45
4
100% ModulusºC
MPa
19.3
5
Angle Tear strength, Die C
KN/m
120
6
Elastic Resilience (%)
%
10
7
Erapol temperature (ºC)
ºC
55~65
8
DIN Abrasion Resistance
mm 3
100
9
Post Cure @110ºC
Hours
16
10
Aging coefficient (100ºCX144h)
--
>0.9
11
Coefficient of water resistance
--
>0.8
12
Rate of volume changing (23 ºCX24h)
--
        <3
13
Elongation
%
330