{"id":347,"date":"2020-04-27T16:00:46","date_gmt":"2020-04-27T07:00:46","guid":{"rendered":"https:\/\/rovalworld.com\/vi\/anti-corrosion-performance\/"},"modified":"2024-02-27T14:06:17","modified_gmt":"2024-02-27T05:06:17","slug":"anti-corrosion-performance","status":"publish","type":"page","link":"https:\/\/rovalworld.com\/vi\/anti-corrosion-performance\/","title":{"rendered":"Hi\u1ec7u su\u1ea5t ch\u1ed1ng \u0103n m\u00f2n"},"content":{"rendered":"\n

Hi\u1ec7u su\u1ea5t ch\u1ed1ng \u0103n m\u00f2n \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn<\/strong><\/p>\n\n\n\n

\"\"<\/figure>
\n

Cold Galvanizing ROVAL Method<\/strong><\/p>\n\n\n\n

ROVAL \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn c\u00f3 hi\u1ec7u su\u1ea5t ch\u1ed1ng \u0103n m\u00f2n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng b\u1edfi H\u1ed9i \u0111\u1ed3ng \u0110\u00e1nh gi\u00e1 v\u00e0 Ch\u1ee9ng nh\u1eadn C\u00f4ng ngh\u1ec7 X\u00e2y d\u1ef1ng t\u1ea1i Nh\u1eadt B\u1ea3n.

Ph\u01b0\u01a1ng ph\u00e1p m\u1ea1 k\u1ebdm l\u1ea1nh ROVAL \u0111\u01b0\u1ee3c ch\u1ee9ng minh l\u00e0 c\u00f3 hi\u1ec7u su\u1ea5t ch\u1ed1ng \u0103n m\u00f2n t\u01b0\u01a1ng t\u1ef1 nh\u01b0 HDZ55, l\u00e0 c\u1ea5p cao nh\u1ea5t c\u1ee7a m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng trong b\u1ea5t k\u1ef3 tr\u01b0\u1eddng h\u1ee3p n\u00e0o sau \u0111\u00e2y.
(1) S\u01a1n ROVAL 80 \u03bcm tr\u1edf l\u00ean tr\u00ean b\u1ec1 m\u1eb7t th\u00e9p \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ed5i \u0111\u1ec3 l\u00e0m s\u1ea1ch.
(2) S\u01a1n ROVAL 40 \u03bcm tr\u1edf l\u00ean tr\u00ean b\u1ec1 m\u1eb7t m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng.<\/p>\n\n\n\n

>> T\u1ea3i xu\u1ed1ng<\/a><\/p>\n<\/div><\/div>\n\n\n\n

<\/div>\n\n\n\n

K\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m \u0103n m\u00f2n c\u1ea5p t\u1ed1c<\/strong><\/p>\n\n\n\n

\n
\"K\u1ebft<\/a>
B\u1ea5m v\u00e0o h\u00ecnh \u1ea3nh \u0111\u1ec3 ph\u00f3ng to<\/figcaption><\/figure>\n<\/figure>\n\n\n\n

Hi\u1ec7u su\u1ea5t ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a ROVAL t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi lo\u1ea1i m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng cao nh\u1ea5t hi\u1ec7n c\u00f3 t\u1ea1i Nh\u1eadt B\u1ea3n.<\/strong><\/p>\n\n\n\n

\u0110\u1ec3 so s\u00e1nh hi\u1ec7u qu\u1ea3 ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a ROVAL v\u1edbi hi\u1ec7u qu\u1ea3 t\u1eeb qu\u00e1 tr\u00ecnh m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng, c\u00e1c th\u1eed nghi\u1ec7m t\u0103ng t\u1ed1c \u0103n m\u00f2n \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi Hi\u1ec7p h\u1ed9i Ki\u1ec3m tra v\u00e0 Ki\u1ec3m tra S\u01a1n Nh\u1eadt B\u1ea3n theo ti\u00eau chu\u1ea9n Nh\u1eadt B\u1ea3n “JIS H8502-1999”.
K\u1ebft qu\u1ea3 v\u00e0 h\u00ecnh \u1ea3nh t\u1eeb th\u1eed nghi\u1ec7m cho th\u1ea5y ROVAL c\u00f3 hi\u1ec7u su\u1ea5t ch\u1ed1ng \u0103n m\u00f2n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng. ROVAL \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn c\u00f3 hi\u1ec7u su\u1ea5t ch\u1ed1ng \u0103n m\u00f2n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng b\u1edfi H\u1ed9i \u0111\u1ed3ng \u0110\u00e1nh gi\u00e1 v\u00e0 Ch\u1ee9ng nh\u1eadn C\u00f4ng ngh\u1ec7 X\u00e2y d\u1ef1ng t\u1ea1i Nh\u1eadt B\u1ea3n.<\/p>\n\n\n\n

\"\" \"\"<\/p>\n\n\n\n

\uff1cTh\u1eed nghi\u1ec7m phun mu\u1ed1i<\/strong>\uff1e<\/strong>
Th\u1eed nghi\u1ec7m t\u0103ng t\u1ed1c \u0103n m\u00f2n b\u1eb1ng c\u00e1ch phun n\u01b0\u1edbc mu\u1ed1i
\uff1cKi\u1ec3m tra \u0103n m\u00f2n theo chu k\u1ef3\uff1e<\/strong>
Th\u1eed nghi\u1ec7m t\u0103ng t\u00f4\u0301c \u0103n m\u00f2n li\u00ean quan \u0111\u1ebfn vi\u1ec7c ti\u1ebfp x\u00fac theo chu k\u1ef3 v\u1edbi s\u01b0\u01a1ng mu\u1ed1i, \u0111i\u1ec1u ki\u1ec7n kh\u00f4 v\u00e0 \u01b0\u1edbt
\uff1cKi\u1ec3m tra CASS\uff1e<\/strong>
Th\u1eed nghi\u1ec7m phun mu\u1ed1i axit axetic gia t\u1ed1c \u0111\u1ed3ng<\/p>\n\n\n\n

<\/div>\n\n\n\n

ISO12944 C5-High<\/strong><\/a><\/p>\n\n\n\n

ISO12944: 2018 S\u01a1n v\u00e0 vecni – B\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n k\u1ebft c\u1ea5u th\u00e9p b\u1eb1ng h\u1ec7 th\u1ed1ng s\u01a1n b\u1ea3o v\u1ec7<\/strong><\/p>\n\n\n\n

\"ISO12944<\/figure>
\n

ISO12944 l\u00e0 ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf v\u1ec1 b\u1ea3o v\u1ec7 th\u00e9p ch\u1ed1ng \u0103n m\u00f2n b\u1eb1ng h\u1ec7 th\u1ed1ng s\u01a1n b\u1ea3o v\u1ec7.
L\u1edbp ph\u1ee7 80\u03bcm c\u1ee7a ROVAL<\/strong> <\/mark>ho\u1eb7c EPO ROVAL<\/mark><\/strong> tu\u00e2n th\u1ee7 c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh b\u1edfi ISO12944<\/strong> C5-High<\/strong><\/mark>. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 ROVAL ho\u1eb7c EPO ROVAL c\u00f3 th\u1ec3 c\u00f3 tu\u1ed5i th\u1ecd s\u1eed d\u1ee5ng t\u1eeb 15 \u0111\u1ebfn 25 n\u0103m trong m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n C5.<\/p>\n\n\n\n

>> T\u1ea3i xu\u1ed1ng
<\/a>
C\u00e1c lo\u1ea1i \u0103n m\u00f2n<\/strong><\/p>\n\n\n\n

Ph\u00e2n lo\u1ea1i<\/span><\/strong><\/td>S\u1ef1 \u0103n m\u00f2n<\/span><\/strong><\/td><\/tr>
C1<\/span><\/td>R\u1ea5t th\u1ea5p<\/span><\/td><\/tr>
C2<\/span><\/td>Th\u1ea5p<\/span><\/td><\/tr>
C3<\/span><\/td>Trung b\u00ecnh<\/span><\/td><\/tr>
C4<\/span><\/td>Cao<\/span><\/td><\/tr>
C5<\/span><\/strong><\/td>R\u1ea5t cao<\/span><\/strong><\/td><\/tr>
CX<\/span><\/td>C\u1ef1c k\u1ef3 cao<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
Im1<\/span><\/td>N\u01b0\u1edbc ng\u1ecdt<\/span><\/td><\/tr>
Im2<\/span><\/td>Bi\u1ec3n ho\u1eb7c n\u01b0\u1edbc l\u1ee3<\/span><\/td><\/tr>
Im3<\/span><\/td>\u0110\u1ea5t<\/span><\/td><\/tr>
Im4<\/span><\/td>Bi\u1ec3n ho\u1eb7c n\u01b0\u1edbc l\u1ee3 v\u00e0 c\u00f3 \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p b\u1ea3o v\u1ec7 ca t\u1ed1t<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n


Th\u1eddi gian b\u1ec1n mong \u0111\u1ee3i<\/strong><\/p>\n\n\n\n

Ph\u00e2n lo\u1ea1i<\/span><\/strong><\/td>Th\u1eddi gian<\/span><\/strong><\/td><\/tr>
Th\u1ea5p (Low)<\/span><\/td>L\u00ean \u0111\u1ebfn 7 n\u0103m<\/span><\/td><\/tr>
Trung b\u00ecnh (Medium)<\/span><\/td>7-15 n\u0103m<\/span><\/td><\/tr>
Cao (High)<\/span><\/strong><\/td>15-25 n\u0103m<\/span><\/strong><\/td><\/tr>
R\u1ea5t cao (Very High)<\/span><\/td>H\u01a1n 25 n\u0103m<\/span><\/td><\/tr><\/tbody><\/table>
L\u01b0u \u00fd: Th\u1eddi gian b\u1ec1n kh\u00f4ng ph\u1ea3i l\u00e0 \u201cth\u1eddi gian \u0111\u1ea3m b\u1ea3o\u201d.<\/mark><\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n
<\/div>\n\n\n\n

\u0110\u1ea1t k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m ph\u01a1i s\u00e1ng li\u00ean t\u1ee5c 15 n\u0103m trong m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n C5<\/strong><\/p>\n\n\n\n

Ch\u00fang t\u00f4i \u0111\u00e3 ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m ph\u01a1i s\u00e1ng tr\u00ean \u0111\u1ea3o Miyakojima, n\u01a1i c\u00f3 m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n \u0111\u1ea1t ti\u00eau chu\u1ea9n C5. \u0110\u1ed1i v\u1edbi lo\u1ea1i s\u01a1n th\u00f4ng th\u01b0\u1eddng, g\u1ec9 s\u00e9t s\u1ebd xu\u1ea5t hi\u1ec7n tr\u00ean to\u00e0n b\u1ed9 b\u1ec1 m\u1eb7t s\u01a1n trong v\u00f2ng 03 n\u0103m, nh\u01b0ng ROVAL kh\u00f4ng xu\u1ea5t hi\u1ec7n g\u1ec9 s\u00e9t k\u1ec3 c\u1ea3 sau 15 n\u0103m. \u0110\u00e2y l\u00e0 d\u1eef li\u1ec7u \u0111\u1ea3m b\u1ea3o s\u1ef1 h\u1ee3p quy theo ti\u00eau chu\u1ea9n ISO12944 C5-High.<\/span><\/strong><\/p>\n\n\n\n

ROVAL Cold Galvanizing Compound<\/span><\/strong><\/td><\/td><\/td><\/td><\/tr>
\"0y<\/td>\"3y<\/td>\"10y<\/td>\"15y<\/td><\/tr>
Tr\u01b0\u1edbc khi ph\u01a1i s\u00e1ng<\/strong><\/span><\/td>3 n\u0103m<\/strong><\/span><\/td>10 n\u0103m<\/strong><\/span><\/td>15 n\u0103m<\/strong><\/span><\/td><\/tr>
\"0y<\/td>\"3y<\/td>– – – – –<\/td> – – – – – <\/td><\/tr>
S\u01a1n ch\u1ed1ng \u0103n m\u00f2n + S\u01a1n ph\u1ee7 phthalic<\/strong><\/td><\/td><\/td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\n
\"World<\/a><\/figure>\n\n\n\n
\"Miyakojima<\/a><\/figure>\n\n\n\n
\"Miyakojima<\/a><\/figure>\n\n\n\n
\"\"<\/a><\/figure>\n
V\u1ecb tr\u00ed c\u1ee7a Trung t\u00e2m th\u00ed nghi\u1ec7m \u0111\u1ed9 ph\u01a1i nhi\u1ec5m Miyakojima<\/mark><\/figcaption><\/figure>\n\n\n\n

>> T\u1ea3i xu\u1ed1ng<\/a><\/p>\n\n\n\n

<\/div>\n\n\n\n

K\u1ebft qu\u1ea3 ki\u1ec3m tra \u0111\u1ed9 ph\u01a1i s\u00e1ng \u1edf Trung t\u00e2m ki\u1ec3m tra \u0111\u1ea3o Miyakojima<\/strong>
(So s\u00e1nh v\u1edbi h\u1ec7 th\u1ed1ng s\u01a1n c\u1ee7a c\u00e1c c\u00f4ng ty kh\u00e1c)<\/strong><\/p>\n\n\n\n

\n
\"K\u1ebft<\/a>
B\u1ea5m v\u00e0o h\u00ecnh \u1ea3nh \u0111\u1ec3 ph\u00f3ng to<\/figcaption><\/figure>\n<\/figure>\n\n\n\n

\u0110\u1ec3 so s\u00e1nh hi\u1ec7u qu\u1ea3 ch\u1ed1ng \u0103n m\u00f2n, ch\u00fang t\u00f4i \u0111\u00e3 ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m ph\u01a1i nhi\u1ec5m tr\u00ean \u0111\u1ea3o Miyakojima.
\u0110\u1ea3o Miyakojima n\u1eb1m \u1edf khu v\u1ef1c ph\u00eda nam c\u1ee7a Nh\u1eadt B\u1ea3n, \u1edf c\u00f9ng v\u0129 \u0111\u1ed9 v\u1edbi Florida, Hoa K\u1ef3.
\u0110\u1ea3o \u0111\u01b0\u1ee3c bao quanh b\u1edfi r\u1ea5t nhi\u1ec1u y\u1ebfu t\u1ed1 l\u00e0m suy gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng nh\u01b0 nhi\u1ec7t \u0111\u1ed9 cao, \u0111\u1ed9 \u1ea9m cao, n\u1eafng g\u1eaft v\u00e0 b\u1ea7u kh\u00f4ng kh\u00ed ch\u1ee9a nhi\u1ec1u mu\u1ed1i.

Trong m\u00f4i tr\u01b0\u01a1\u0300ng kh\u0103\u0301c nghi\u00ea\u0323t nh\u01b0 th\u00ea\u0301 na\u0300y, khi s\u01b0\u0309 du\u0323ng s\u01a1n Ch\u1ed1ng g\u1ec9 theo ti\u00eau chu\u1ea9n JIS + Axit phthalic thi\u0300 sau 1 n\u0103m gi\u0309 se\u0301t b\u0103\u0301t \u0111\u00e2\u0300u xu\u00e2\u0301t hi\u00ea\u0323n, sau 3 n\u0103m thi\u0300 gi\u0309 se\u0301t lan r\u1ed9ng tr\u00ean toa\u0300n b\u00f4\u0323 b\u00ea\u0300 m\u0103\u0323t.
S\u1eed d\u1ee5ng s\u01a1n Epoxy ph\u1ee7 m\u1ed9t l\u1edbp uretan l\u00ean tr\u00ean, r\u1ec9 s\u00e9t xung quanh khu v\u1ef1c c\u1eaft ngang.
M\u1eb7t kh\u00e1c, ROVAL kh\u00f4ng x\u1ea3y ra r\u1ec9 s\u00e9t k\u1ec3 c\u1ea3 sau 3 n\u0103m.

Nh\u1eefng k\u1ebft qu\u1ea3 v\u00e0 h\u00ecnh \u1ea3nh n\u00e0y ch\u1ee9ng minh r\u1eb1ng ROVAL b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t th\u00e9p kh\u1ecfi r\u1ec9 s\u00e9t b\u1eb1ng ph\u1ea3n \u1ee9ng \u0111i\u1ec7n h\u00f3a c\u1ee7a n\u00f3, trong khi c\u00e1c lo\u1ea1i s\u01a1n kh\u00e1c cho ph\u00e9p r\u1ec9 s\u00e9t lan r\u1ed9ng t\u1eeb c\u00e1c khu v\u1ef1c c\u1eaft ngang.<\/p>\n\n\n\n

<\/div>\n\n\n\n

K\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m ph\u01a1i nhi\u1ec5m 20 n\u0103m trong m\u00f4i tr\u01b0\u1eddng chung<\/strong><\/p>\n\n\n\n

[ M\u1ee5c \u0111\u00edch ]<\/strong>
X\u00e1c minh t\u00ednh n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a ROVAL v\u00e0 M\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng b\u1eb1ng c\u00e1ch ti\u1ebfp x\u00fac v\u1edbi kh\u00ed quy\u1ec3n.

[ V\u1ecb tr\u00ed ]<\/strong>
Hi\u1ec7p h\u1ed9i Ki\u1ec3m \u0111\u1ecbnh v\u00e0 Ki\u1ec3m tra S\u01a1n Nh\u1eadt B\u1ea3n Chi nh\u00e1nh T\u00e2y
\"\"<\/p>\n\n\n\n

<\/td>ROVAL<\/span><\/strong>
<\/span>(80\u03bcm)<\/span><\/td>		M\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng<\/strong>
(550g\/m2)<\/span><\/td><\/tr>
Tr\u01b0\u1edbc khi ph\u01a1i s\u00e1ng<\/span><\/td>\"\"<\/td>\"\"<\/td><\/tr>
Sau 5 n\u0103m<\/span><\/td>\"\"<\/td>\"\"<\/td><\/tr>
Sau 10 n\u0103m<\/span><\/td>\"\"<\/td>\"HDZ55<\/td><\/tr>
Sau 15 n\u0103m<\/span><\/td>\"\"<\/td>\"\"<\/td><\/tr>
Sau 20 n\u0103m<\/span> <\/td>\"ROVAL<\/td>\"HDZ55<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

[ K\u1ebft qu\u1ea3 ]<\/strong>
\u0110\u00e1nh gi\u00e1 sau 20 n\u0103m ti\u1ebfp x\u00fac v\u1edbi kh\u00ed quy\u1ec3n.
ROVAL<\/span><\/strong> (\u0110\u1ed9 d\u00e0y m\u00e0ng: 80\u00b5m)
— S\u1ef1 thay \u0111\u1ed5i m\u00e0u s\u1eafc c\u1ee7a m\u00e0ng \u0111\u00e3 \u0111\u01b0\u1ee3c nh\u00ecn th\u1ea5y nh\u01b0ng kh\u00f4ng b\u1ecb g\u1ec9 trong 20 n\u0103m.
M\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng<\/strong><\/strong> (HDZ55: 550g\/m2)
— G\u1ec9 s\u00e9t x\u1ea3y ra tr\u00ean v\u00f9ng x\u00e1m, c\u00f3 th\u1ec3 l\u00e0 do s\u1ef1 \u0103n m\u00f2n c\u1ee7a l\u1edbp h\u1ee3p kim k\u1ebdm s\u1eaft. Tuy nhi\u00ean, v\u1ebft r\u1ec9 s\u00e9t ch\u1ec9 \u1edf tr\u00ean b\u1ec1 m\u1eb7t v\u00e0 kh\u00f4ng n\u1eb7ng.<\/p>\n\n\n\n

>> T\u1ea3i xu\u1ed1ng<\/a><\/p>\n\n\n\n

<\/div>\n\n\n\n

C\u01a1 ch\u1ebf ch\u1ed1ng \u0103n m\u00f2n<\/strong><\/p>\n\n\n\n

\n
\"\"<\/a>
B\u1ea5m v\u00e0o h\u00ecnh \u1ea3nh \u0111\u1ec3 ph\u00f3ng to<\/figcaption><\/figure>\n<\/figure>\n\n\n\n

H\u00e3y \u0111\u1ec3 t\u00f4i gi\u1ea3i th\u00edch s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 c\u01a1 ch\u1ebf ch\u1ed1ng \u0103n m\u00f2n gi\u1eefa s\u01a1n ROVAL v\u00e0 s\u01a1n th\u00f4ng th\u01b0\u1eddng.
C\u00e1c lo\u1ea1i s\u01a1n th\u00f4ng th\u01b0\u1eddng b\u1ea3o v\u1ec7 th\u00e9p b\u1eb1ng c\u00e1ch che ch\u1eafn th\u00e9p kh\u1ecfi n\u01b0\u1edbc v\u00e0 kh\u00f4ng kh\u00ed, nh\u01b0ng kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 c\u1ee7a ROVAL d\u1ef1a tr\u00ean ph\u1ea3n \u1ee9ng \u0111i\u1ec7n h\u00f3a. (anti-corrosion by electrochemical reaction)<\/span><\/strong>

M\u00e0ng s\u01a1n th\u00f4ng th\u01b0\u1eddng \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t m\u00e0ng ng\u0103n c\u00e1ch b\u1ec1 m\u1eb7t v\u1edbi n\u01b0\u1edbc v\u00e0 kh\u00f4ng kh\u00ed. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 “ch\u1ed1ng \u0103n m\u00f2n b\u1eb1ng b\u1ea3o v\u1ec7 h\u00e0ng r\u00e0o”. (anti-corrosion by barrier protection)<\/span><\/strong>
Nh\u01b0ng m\u1ed9t khi b\u1ed9 phim b\u1ecb h\u01b0 h\u1ecfng ho\u1eb7c b\u1ecb xu\u1ed1ng c\u1ea5p, r\u1ec9 s\u00e9t s\u1ebd ph\u00e1t tri\u1ec3n \u1edf khu v\u1ef1c \u0111\u00f3 v\u00e0 b\u1eaft \u0111\u1ea7u lan ra b\u00ean d\u01b0\u1edbi b\u1ed9 phim.

ROVAL b\u1ea3o v\u1ec7 th\u00e9p b\u1eb1ng c\u01a1 ch\u1ebf ph\u1ea3n \u1ee9ng \u0111i\u1ec7n h\u00f3a, s\u1eed d\u1ee5ng \u0111\u1eb7c t\u00ednh t\u1ef1 hy sinh c\u1ee7a k\u1ebdm. N\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n l\u00e0 gi\u1eef cho s\u1eaft v\u00e0 k\u1ebdm ti\u1ebfp x\u00fac g\u1ea7n nhau, ch\u1ec9 c\u00f3 m\u1eb7t k\u1ebdm s\u1ebd b\u1ecb g\u1ec9 ch\u1ee9 kh\u00f4ng ph\u1ea3i s\u1eaft.
M\u1eb7c d\u00f9 n\u01b0\u1edbc v\u00e0 kh\u00f4ng kh\u00ed xuy\u00ean qua c\u00e1c h\u1ea1t k\u1ebdm \u0111\u1ebfn b\u1ec1 m\u1eb7t th\u00e9p, nh\u01b0ng ph\u1ea3n \u1ee9ng \u0111i\u1ec7n h\u00f3a c\u1ee7a k\u1ebdm s\u1ebd ng\u0103n c\u1ea3n s\u1ef1 ph\u00e1t tri\u1ec3n th\u00eam c\u1ee7a g\u1ec9.
Ngay c\u1ea3 khi m\u00e0ng ROVAL b\u1ecb h\u1ecfng, r\u1ec9 s\u00e9t s\u1ebd kh\u00f4ng lan r\u1ed9ng do s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a c\u00e1c h\u1ea1t k\u1ebdm xung quanh.<\/p>\n\n\n\n

<\/div>\n\n\n\n
< Home ><\/a><\/td>M\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng >><\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

Hi\u1ec7u su\u1ea5t ch\u1ed1ng \u0103n m\u00f2n \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn Cold Galvanizing ROVAL Method ROVAL \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn c\u00f3 hi\u1ec7u su\u1ea5t ch\u1ed1ng \u0103n m\u00f2n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng …<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-347","page","type-page","status-publish","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/rovalworld.com\/vi\/wp-json\/wp\/v2\/pages\/347","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rovalworld.com\/vi\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/rovalworld.com\/vi\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/rovalworld.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rovalworld.com\/vi\/wp-json\/wp\/v2\/comments?post=347"}],"version-history":[{"count":117,"href":"https:\/\/rovalworld.com\/vi\/wp-json\/wp\/v2\/pages\/347\/revisions"}],"predecessor-version":[{"id":2290,"href":"https:\/\/rovalworld.com\/vi\/wp-json\/wp\/v2\/pages\/347\/revisions\/2290"}],"wp:attachment":[{"href":"https:\/\/rovalworld.com\/vi\/wp-json\/wp\/v2\/media?parent=347"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}