Waa maxay Shuruudaha Farsamo ee ay tahay inay Gaadhaan Alaabooyinka Melamine Tableware?

Bulshada casriga ah, dadku waxay si aad ah iyo aad u badan u siiyaan caafimaadka cuntada.Kaliya maaha inay fiiro gaar ah u yeeshaan cuntada nadiifka ah iyo nadaafadda, iyo haddii ay waxyeello u leedahay caafimaadka, laakiin sidoo kale waxay aad uga walaacsan yihiin saameynta ay alaabta miiska ku jirta ee cuntada ku leedahay jirka.Haddaba waa maxay heerarka ay leeyihiin miisaska caanka ah ee melamine-ka marka loo eego shuruudaha tignoolajiyada wax soo saarka?

Shuruudaha tayada badeecada 1

(1) Alaabta waa in laga sameeyaa 100% melamine saafi ah.Isticmaalka xabagta urea-formaldehyde ama alaabta kale ee ceeriin ee aan ka soo bixin xeerarka qaranka ee khuseeya waa mamnuuc.

(2) Shuruudaha farsamada: Qalabka ceeriin ee wax soo saarka melamine tableware waa in ay buuxiyaan nadaafadda qaranka iyo heerarka farsamada, kuwa aan sunta ahayn iyo kuwa aan dhadhamin, caabbinta saameyn wanaagsan, caabbinta acid iyo alkali.Intaa waxaa dheer, heerkulka waara wuxuu u baahan yahay inuu gaaro -30 ℃ ilaa + 120 ℃;

2. Soo saaraha alaabta miiska melamine waa inuu helaa shahaado u qalmida QS.

3. Heer qaran:GB9690-2009 "Heerarka Fayadhowrka ee Melamine-Formaldehyde Alaabta ee Weeladaha Cuntada iyo Qalabka Baakadaha"

Shiinaha melaimne resin ka samaysan formaldehyde (1)

4. Halbeegyo gaar ah:

(1) Alaabta la qaabeeyey tusmada dareenka waa inay ahaadaan kuwo caadi ah oo midabkoodu siman yahay, oo aan lahayn ur aan caadi ahayn ama wax kasta.

(2) Tilmaamayaasha jirka iyo kiimikaad

Walxaha

Xaaladaha tijaabada Tusmada

Haraaga uumiga (mg/d㎡)

Biyaha, 60℃, 2h ≤2

Isticmaalka potassium permanganate (mg/d㎡)

Biyaha, 60℃, 2h ≤2

Formaldehyde monomer migration (mg/d㎡)

4% acetic acid, 60℃, 2h ≤2.5

Melamine monomer migration (mg/d㎡)

4% acetic acid, 60℃, 2h ≤0.2

Guuritaanka birta culus (lead) (mg/d㎡)

4% acetic acid, 60℃, 2h ≤0.2

 

 

Tijaabada midabaynta

65% ethanol taban
Saliida cuntada qabow ama dufan aan midab lahayn taban
Dheecaan qooyay taban

Shiinaha melaimne resin ka samaysan formaldehyde (2)

Ka dib markii aan si qoto dheer u ogaanay heerarka farsamada ee melamine tableware, waxaan si cad u fahamsanahay inbudada melamine ceeriinruntii waa muhiim.Kiimikooyinka Huafu ayaa sii wada inay soo saaraanmelamine-ka saafiga ah qaabayntalana wadaag macluumaadka la qiimeeyay macaamiisha.Ku soo dhawoow warshadaha alaabta miiska si ay u soo booqdaan warshadeena Quanzhou.


Waqtiga boostada: Abriil-15-2020

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Aagga Warshadaha ee Magaalada Shanyao, Degmada Quangang, Quanzhou, Fujian, Shiinaha

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