1) Absorb na neutralize HCL, na-egbochi mmetụta catalytic akpaaka ya. Ụdị stabilizer a gụnyere nnu ndu, ncha metal acid organic, ogige organotin, ogige epoxy, nnu inorganic, na nnu thiol metal. Ha nwere ike imeghachi omume na HCL ma gbochie mmeghachi omume nke PVC iji wepụ HCL. 2) Dochie...
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