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ISO 3302-1 Molded Silicone Tolerance Calculator
Check the dimensional tolerance your compression molded part can hold by ISO 3302-1 class.
Nominal dimension (mm)
Dimension type
Tolerance class
Values per BS ISO 3302-1 for compression molded solid rubber. M1 is precision molding; M4 is general-purpose. Closure (C) dimensions cross two tool halves and carry a wider band than Fixed (F).
