Pot Life
What is Pot Life?
Pot life is the processing time of a mixed 2-component adhesive within which the material can still be applied and processed before viscosity increases too much due to progressive crosslinking. After the pot life has expired, the adhesive is no longer processable.
Properties of Pot Life
- Time window after mixing both components
- Viscosity increase through initiating polymerization
- Temperature-dependent duration of processability
- Product-specific pot lives from minutes to hours
- Irreversible process after expiration
- Difference to open time for 1K systems
Factors Influencing Pot Life
- Mixing ratio: Deviations shorten or extend pot life
- Temperature: Higher temperatures significantly shorten pot life
- Catalysts: Accelerate the setting reaction
- Mix volume: Larger quantities generate more reaction heat
- Shelf life of components: Influences reactivity
System-Dependent Pot Lives
- Dual cartridges: Defined pot life after mixing begins
- Manual mixing systems: Pot life from complete homogenization
- Automatic mixing systems: Continuous processing possible
- High Temperature Adhesives: Often shorter pot lives due to reactivity
Application Relevance
- Structural Bonding: Sufficient pot life for complex components
- PEEK Bonding: Controlled pot life for pretreatment
- Automotive Potting Compound: Complete potting before pot life end
- High Temperature Potting Compound: Bubble-free potting within time window
Pot Life vs. Related Terms
- Pot life: Processing time of mixed 2K systems
- Open time: Processing time after application for 1K systems
- Contact time: Waiting time for contact adhesives
- Shelf life: Durability of unprocessed adhesive
Process Optimization
- Temperature control: Cooling to extend pot life
- Dispensing Valves: Fast application before pot life end
- Tube Squeezing Valves: Gentle dispensing of reactive systems
- Batch size optimization: Adaptation to consumption quantities
Common Problems
- Exceeding pot life: Incomplete wetting of bonding surface
- Too short pot life: Insufficient time for positioning
- Temperature influences: Fluctuating processing windows
- Mixing errors: Deviating pot lives through incorrect ratio
DELO Adhesive Solutions
- Adhesives with various pot lives from 5 minutes to several hours
- 1-Component alternatives without pot life limitation
- Technical consulting for optimal system selection
Looking for adhesives with specific pot lives?
