Kalasi ya zinthu za rabara za tubula zomwe zimagwiritsidwa ntchito kunyamula mpweya, madzi, slurry kapena granular. Amapangidwa ndi wosanjikiza wamkati ndi kunja kwa mphira ndi mafupa osanjikiza, ndipo zinthu za mphira wosanjikiza zingakhale thonje CHIKWANGWANI, CHIKWANGWANI zosiyanasiyana kupanga, mpweya CHIKWANGWANI kapena asibesitosi, waya zitsulo, etc. Kawirikawiri, mkati ndi kunja mphira wosanjikiza wa payipi amapangidwa ndi mphira zachilengedwe, mphira styrene-butadiene kapena mphira butadiene; payipi yosagwira mafuta imapangidwa ndi mphira wa neoprene ndi nitrile; payipi ya asidi ndi alkali yosamva kutentha kwambiri imapangidwa ndi mphira wa ethylene propylene, rabala ya fluorine kapena mphira wa silikoni, ndi zina zotero

. EPDM:S512F;S5890F;S552;S552-1;S6090WF;J-3060P;J-3080;J-3080P;J-3092E;TER 4038EP; TER4039; TER 4047; TER4049;
CR: SN121;SN122;SN123;CR111;CR112;SN231;SN232;SN233;SN238;SN239;CR211;CR212;CR213;SN321;SN322;SN323;