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Resin Polyester Hangakore
Ko te resin polyester unsaturated, e mohiotia ana e te reo Ingarihi acronym UPR, he polymer wai ngawari ka taea te ta, i te wa i rongoa ai (he hono-whakawhiti ki te styrene, ma te whakamahi i etahi matū, peroxides waro, whakaingoa hardeners), ka mau tonu te ahua totoka i tangohia i roto i te pokepokea ai.Ko te ...Pānuitia atu
