While you must always refer to your specific MSDS, general guidelines for DSG2 repacks include:
Since MS polymers cure with atmospheric moisture, "repack" containers must be perfectly sealed to prevent the product from hardening in the tube. Why the SDS Matters for "Repacks" decoduct dsg2 msds repack
Perform repacking away from heat, sparks, or open flames, as the material is highly flammable. While you must always refer to your specific