He papa inoa piha o nā waiwai plastic maʻamau

He papa inoa piha o nā waiwai plastic maʻamau

1、Pe plastic (polyethylene)

Kaumaha kikoʻī: 0.94-0.96g/cm3

Hoʻoemi ʻia: 1.5-3.6%

ʻO ke ana wela: 140-220 ℃

Hana waiwai

ʻO ka pale ʻana i ka corrosion, ka hoʻoheheʻe uila (ʻoi aku ka nui o ka insulation kiʻekiʻe kiʻekiʻe) maikaʻi loa, hiki ke chlorinated, hoʻololi ʻia i ka irradiation, hiki ke hoʻoikaika ʻia ke aniani fiber.ʻO ka polyethylene haʻahaʻa haʻahaʻa he wahi hoʻoheheʻe kiʻekiʻe, rigidity, paʻakikī a me ka ikaika, haʻahaʻa haʻahaʻa wai, nā waiwai uila maikaʻi a me ka pale ʻana i ka radiation;ʻO ka polyethylene puʻe kiʻekiʻe he hiki ke maʻalahi, elongation, ikaika hopena a me ka permeability;ʻO ka polyethylene kaumaha kiʻekiʻe kiʻekiʻe ka ikaika o ka hopena, ke kūpaʻa luhi a me ke kūpaʻa ʻaʻahu.

He kūpono ka polyethylene haʻahaʻa no ka hana ʻana i nā ʻāpana pale a me nā ʻāpana insulating;kūpono ka polyethylene kiʻekiʻe no ka hana ʻana i nā kiʻiʻoniʻoni, etc.;Ua kūpono ʻo UHMWPE no ka hana ʻana i nā ʻāpana haʻalulu, ʻaʻahu kūʻokoʻa a me nā ʻāpana hoʻoili.

Hana hoʻoheheʻe

1、Maikaʻi Crystalline, liʻiliʻi ka hoʻoheheʻe ʻana i ka wai, ʻaʻole pono e hoʻomaloʻo piha, ka wai maikaʻi loa, ʻoluʻolu ka wai i ke kaomi.He kūpono ke kiʻekiʻe kiʻekiʻe no ka hoʻoheheʻe ʻana, ka mahana o nā mea like, ka wikiwiki hoʻopiha piha a me ka paʻa paʻa.ʻAʻole kūpono ka hoʻohana ʻana i ka puka pololei e pale ai i ka hoʻohaʻahaʻa ʻole a me ka hoʻonui ʻana i ke kaumaha o loko.E noʻonoʻo i ke koho ʻana i kahi wahi o ka ʻīpuka e pale i ka shrinkage a me ka deformation.

2、Shrinkage laulā a me ka shrinkage waiwai nui, ke kuhikuhi ua maopopo, oluolu i ka deformation a me ka warpage.Pono e lohi ka māmā hoʻoluʻu, a he mau lua anu a me ka ʻōnaehana hoʻoluʻu i ka poʻi.

3、ʻAʻole lōʻihi ka manawa hoʻomehana, i ʻole e hiki mai ka decomposition a me ke ahi.

4、Ke loaʻa nā ʻaoʻao pāpaʻu o nā ʻāpana plastik palupalu, hiki ke hoʻokuʻu ʻia ka ʻōpala.

5、 Hiki ke ʻoki ʻia ka heheʻe a ʻaʻole pono e hoʻopili me nā mea hoʻoheheʻe kūlohelohe e pale ai i ka haki ʻana.

2, ʻilika PC (polycarbonate)

Kaumaha kiko: 1.18-1.20g/cm3

ʻO ka hoʻohaʻahaʻa ʻana: 0.5-0.8%

Ke ana wela: 230-320 ℃

Kūlana hoʻomaloʻo: 110-120 ℃ 8 hola

Hana waiwai

ʻO ka ikaika hopena kiʻekiʻe, ke kūpaʻa maikaʻi, ʻaʻohe kala a me ka māmā, ke kala maikaʻi, ka insulation uila maikaʻi, ka pale ʻana i ka corrosion a me ka pale ʻana i ka abrasion, akā maikaʻi ʻole ka lubrication ponoʻī, ka maʻalahi o ka haʻalulu, hydrolysis maʻalahi i ke kiʻekiʻe wela, maikaʻi ʻole me nā resins ʻē aʻe.

He kūpono ia no ka hana ʻana i nā ʻāpana insulating liʻiliʻi a maopopo o nā mea kani a me nā ʻāpana kū i ka hopena.

Hana hoʻoheheʻe

1, mea amorphous, kūpaʻa wela maikaʻi, ākea ākea o ka hoʻoheheʻe ʻana i ka mahana, maikaʻi ʻole ka wai.Pono e hoʻomaloʻo ʻia ka liʻiliʻi o ka wai, akā pili i ka wai.He liʻiliʻi ka hoʻohaʻahaʻa ʻana i ka hoʻoheheʻe ʻana, hiki ke hoʻoheheʻe ʻia i ka haki ʻana a me ke koʻikoʻi koʻikoʻi, no laila pono e hoʻomalu pono ʻia nā kūlana hoʻoheheʻe, a pono e hoʻopili ʻia nā ʻāpana plastik.

2, ka wela hoʻoheheʻe kiʻekiʻe, ka viscosity kiʻekiʻe, ʻoi aku ma mua o 200g mau ʻāpana plastik, kūpono ia e hoʻohana i ka nozzle hoʻonui ʻano wela.

3、Fast cooling speed, mold pour system to coarse, short as the principle, pono e hoonoho maikai ia mea anu, e lawe nui ia ka puka, e wela ka mold.

4, ʻo ka haʻahaʻa haʻahaʻa haʻahaʻa e kumu ai ka nele o nā mea, nā ʻāpana plastik me ka ʻole o ka luster, ʻoi aku ka kiʻekiʻe o ka mahana o ka mea maʻalahi i ke kahe ʻana i ka lihi, nā ʻāpana plastik blistering.Ke haʻahaʻa ka mahana o ka mold, ʻoi aku ka kiʻekiʻe o ka shrinkage, elongation a me ka ikaika o ka hopena, ʻoiai ka haʻahaʻa o ke kuʻi ʻana, ka hoʻoemi a me ka ikaika tensile.Ke ʻoi aku ka mahana o ka mold ma mua o 120 degere, ua lohi nā ʻāpana plastik i ka maʻalili a maʻalahi hoʻi e hoʻololi a pili i ka ʻōpala.

3、ABS plastic (acrylonitrile butadiene styrene)