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

Clase de tolerancia

Tolerancia alcanzable

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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).