Hermcol®Ko te BBN Whero he roto tote barium, he whero kore, he kowhai ake i te poaka whero 57:1.He pai te aukati whakarewa, engari he kino te hopi me te waikawa/waikawa.Te nuinga whakamahia i roto i te gravure tā waituhi me kirihou.He pai te whakahekenga o te hekenga i roto i te PVC ngohengohe, kaore he koanga, te aukati marama o te karaehe 3, me te aukati wera o te 200-240 ℃ / 5min i te PE;