Nkhani
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Kodi mitundu ya pulasitiki iyenera kukhala ndi chiyani?
Hue, kupepuka, ndi machulukitsidwe ndi zinthu zitatu zamtundu, koma sikokwanira kusankha mitundu ya pulasitiki potengera zinthu zitatu zamtundu.Nthawi zambiri ngati utoto wa pulasitiki, mphamvu yake yopangira utoto, mphamvu yobisala, kukana kutentha, kukana kusamuka, nyengo ...Werengani zambiri -
Chidziwitso choyambirira cha utoto: kuwaza utoto
Utoto wobalalitsa ndiye gulu lofunika kwambiri komanso lalikulu pamakampani opanga utoto.Zilibe magulu amphamvu osungunuka m'madzi ndipo ndi utoto wopanda ma ionic omwe amapaka utoto wobalalika panthawi yopaka utoto.Amagwiritsidwa ntchito makamaka kusindikiza ndi kudaya ...Werengani zambiri -
Zofunikira za Dye: Dyes Cationic
Utoto wa cationic ndi utoto wapadera wa utoto wa ulusi wa polyacrylonitrile, ndipo utha kugwiritsidwanso ntchito popaka utoto wa polyester wosinthidwa (CDP).Lero, ndikugawana nawo chidziwitso choyambirira cha utoto wa cationic.Chiwonetsero cha cationic ...Werengani zambiri -
Zofunikira za Dye: Udayi wa Acid
Utoto wamtundu wa asidi umatanthawuza utoto wosungunuka m'madzi wokhala ndi magulu a asidi mumtundu wa utoto, womwe nthawi zambiri umapakidwa utoto wa acidic.Chidule cha utoto wa asidi 1. Mbiri ya asidi d...Werengani zambiri
