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phenolic resin maka ihe mgbawa
Phenolic resin for foundry Usoro a bụ thermoplastic phenolic resin na-acha odo odo flakes ma ọ bụ granulars, e ji mara dị ka ndị a: 1. Resin nwere ike dị elu na ọnụ ọgụgụ nke mgbakwunye dị ntakịrị, nke nwere ike ibelata ọnụ ahịa. 2. Ọgbọ gas dị ala, belata nkedo porosity ntụpọ ma melite mkpụrụ. 3. The resin nwere ezi flowability, mfe filming, na-ejuputa na-enweghị ihe ọ bụla nwụrụ anwụ akụkụ. 4. phenol dị ala, belata mmetọ gburugburu ebe obibi ma melite ebe ọrụ nke ndị ọrụ. 5. Fasteni...
