You must use the correct contact plate in your instrument to ensure adequate homogenization. Please see below for the contact plate appropriate for the tubes you are using:
SLV1E5A tube adapters
Compatible 1.5 mL snap cap tubes
- Eppendorf® Safe Lock 1.5 mL tubes (Part# TUBE1EP5-S or TUBE1EP5)
SLV2A tube adapters
Compatible 1.5 and 2.0 mL screw cap tubes
- RINO® 1.5 mL tubes (Part# TUBE1R5-S)
- Simport® 2.0 mL tubes (Part# T334-6S)