Mekhoa e mengata ea rabara ea rabara

1. Ho hanyetsa ho fumana liteko tsa boima ba 'mele

Sehlahisoa se felisitsoeng se ka rempole, se kolobetsoa ho se seng kapa se 'maloa se khethiloeng, se le boima ba mocheso o itseng le sekhahla sa ho fetoloa.

Mohlala, e kenelletse ka oli ea Degree ea 100 ka lihora tse 24, eco, ep, EPBS

2. Teko e futhumetseng ea moea

Nka mehlala ea lihlahisoa tse Feletseng, e behe lebokoseng le hlahang ka letsatsi le le leng, le shebelle ketsahalo e mpe ka mor'a botsofali. Ho tsofala butle butle ho ka hlaha butle butle. Ka mohlala, Cr, NR, NRB e tla be e le brittle ho 150 Derees, ha epd epdm e ntse e le elate. Ha mocheso o tsoha likhato tse 180, nbr e tloaelehileng e tla ba brittle; 'Me HNBR e tla boela ea brittle ka likhato tse 230,' me seea se ntse se e-ba le silingoang.

3. Mokhoa oa ho kopanya

Nka mohlala o nyane ebe o chesa moeeng. Sheba ketsahalo eo.

Ka kakaretso, foorrine Rubber, csm ha e na mollo, e bile lelakabe le tuka, ho nyane haholo ho NR le EPDM. Of course, if we look closely, the state of combustion, color, and smell also provide us with a lot of information. Mohlala, ha NBR / PVC e kopantsoe le sekhomatsi, ha ho e-na le mohloli oa mollo, mollo o oa tšoana le metsi. Re lokela ho hlokomela hore ka linako tse ling lelakabe la ho khutla empa ke le bokhutšoanyane ba linyeoe tse se nang litsitso le tsona li tla itšetleha ka mollo, tse lokelang ho etsoa ka mekhoa e meng.

4. Ho lekanya matla a khoheli a itseng

Sebelisa sekala sa elektroniki kapa tekano ea tlhahlobo, ka nepo ho isa ho 0.01 gram, hammoho le khalase ea metsi le moriri.

Ka kakaretso, rabara ea forerine e na le matla a khoheli a lekaneng, a kaholimo ho 1.8, 'me lihlahisoa tse ngata tsa CR ECE li na le karolo e kholo ka holimo 1.3. Li-glues tsena li ka hlahlojoa.

5. Mokhoa o tlase oa mocheso

Nka mohlala ho tsoa sehlahisoa se felisitsoeng le ho sebelisa leqhoa le joala ho theha tikoloho e loketseng ea ho lla. Soak sampole ka tikoloho ea mocheso o tlase bakeng sa metsotso e 2-5, utloa bonolo le thata mochesong o khethiloeng. Mohlala, likhato tsa ka -40, li-degree tse tšoanang tsa mocheso le oli ea silino le fluorne li bonolo, 'me silile gel e bonolo.