Injection Molding
8 visualizações
PETG and elastomer overmolding poor bonding
Fenómeno do problema
When overmolding TPE/TPU elastomer onto a rigid substrate, the bonding force is insufficient.
Análise das causas
The substrate surface cools quickly and wets poorly, the materials are incompatible, and the substrate surface is untreated.
Solução
Plasma or primer pretreatment of the substrate surface; increase the overmolding material temperature; select a compatible elastomer.
Conclusão principal
PETG overmolding requires substrate pretreatment and material selection.
Isto foi útil?
0 pessoas acharam isto útil
Obrigado pelo seu comentário!