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Small Engine sealing


1、Intake/Carburetor(Air/Fuel)
2、Carburetor/Spacers(Air/Fuel)
3、Air Cleaner/Carburetor(Air/Fuel) 
4、Crankcase(Oil)
5、Cylinder Head(Oil) 
6、Rocker Cover(Oil) 
7、Heat Shields(Hot Air) 
8、Exhaust(Hot Air) 
Material Recommendations
Application
Value Grade
Standard Grade
Crankcase(Oil) CMP-4200 S-8091
Carburetor/Intake/Air Cleaner(Fuel& Air) PF-4N N-8092
Rocker Cover (Oil) TS-9003 S-8091
Cylinder Head MWK-8208* MWK-8208*
Exhaust HTX-900 NI-4002*
Heat Shields EMC-7201 HT-5050

*Material will need be combined with metal reinforcement 
Specification
Gasket Materials Density(g/cc) Bider Type Continuous/Peal
Temp.Rating
(℃)
Recommended
Fluids to Seal
Min Tensile Strenth (MPa)
Fluid Sealing Materials
CMP-4200 1.55 NBR Blend 177/350 Oil,Air,Fuel 12.00
PF-4N 1.44 NBR 163/290 Oil,Air,Fuel 8.90
TS-9003 1.44 SBR 177/350 Oil,Air 6.90
S-8091 1.20 SBR 135/180 Oil,Air 12.40
N-8092 1.20 NBR 135/180 Oil,Air,Fuel 11.00
EMC-7201 2.20 NBR 163/290 Oil,Air,Fuel 15.20
Temperature Resistant Materials
MWK-8208 1.36 Organic 650(Max) Hot Air,Exhaust 2.70
NI-4002 0.88 NBR Exhaust Temp. Hot Air,Exhaust 2.00
HT-5050 0.96 NBR Exhaust Temp. Hot Air 1.30
HTX-900 2.00 NBR Exhaust Temp. -Hot Air,Exhaust 15.20

1、Air cleaner gasket
2、Carburetor gasket
3、Intake gasket
4、Valve cover gasket
5、Breather gasket
6、Breather passage gasket
7、Crankcase gasket


Characteristics & Advantages

·Tolerance to extreme surface finishing conditions, such as "ascast" 
·Conformable to flanges with higher "out-of-flatness" values, such as stamped steel and plastic covers .
·Lower bolt torques possible. 
·Fewer fasteners in the system. 
·Smaller or lower grade fasteners. 
·Components with less mass and more distortion 
·Stable damping values across the frequency range reducing vibrations effectively 
·Easy to fabricate 

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