{"id":1011,"date":"2025-08-13T06:11:15","date_gmt":"2025-08-13T06:11:15","guid":{"rendered":"https:\/\/lzbmetal.com\/?p=1011"},"modified":"2025-08-13T06:11:16","modified_gmt":"2025-08-13T06:11:16","slug":"luoi-tan-nhiet-don-composite-500x320x50","status":"publish","type":"post","link":"https:\/\/lzbmetal.com\/vi\/luoi-tan-nhiet-don-composite-500x320x50\/","title":{"rendered":"L\u01b0\u1edbi t\u1ea3n nhi\u1ec7t \u0111\u01a1n composite 500\u00d7320\u00d750"},"content":{"rendered":"<h3 class=\"wp-block-heading\">I. V\u1eadt li\u1ec7u c\u1ed1t l\u00f5i v\u00e0 thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u &nbsp;<\/h3>\n\n\n\n<p>1. Ma tr\u1eadn t\u1ed5ng h\u1ee3p hi\u1ec7u su\u1ea5t cao &nbsp;<\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;H\u1ee3p ch\u1ea5t \u0111\u00fac t\u1ea5m SMC\/BMC (nh\u1ef1a polyester kh\u00f4ng b\u00e3o h\u00f2a gia c\u01b0\u1eddng s\u1ee3i th\u1ee7y tinh) \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh th\u00f4ng qua qu\u00e1 tr\u00ecnh \u0111\u00fac n\u00e9n \u0111\u01a1n \u1edf nhi\u1ec7t \u0111\u1ed9 cao\/\u00e1p su\u1ea5t cao. Thi\u1ebft k\u1ebf d\u00e0y 50mm t\u00edch h\u1ee3p c\u1ed1t th\u00e9p l\u01b0\u1edbi 3D, t\u1ea1o ra c\u1ea5u tr\u00fac kh\u1ed1i li\u1ec1n kh\u1ed1i m\u1eadt \u0111\u1ed9 cao \u0111\u1ec3 ph\u00e2n b\u1ed5 t\u1ea3i tr\u1ecdng \u0111\u1ed3ng \u0111\u1ec1u. &nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">II. N\u0103m l\u1ee3i th\u1ebf tr\u00ean chi\u1ebfn tr\u01b0\u1eddng: Ng\u01b0\u1eddi ch\u01a1i to\u00e0n n\u0103ng trong ng\u00f5 h\u1eb9p &nbsp;<\/h3>\n\n\n\n<p><strong>1. Vua \u0103n m\u00f2n th\u00e1ch th\u1ee9c m\u01b0a d\u1ea7u v\u00e0 axit \u00a0<\/strong><\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;Ma tr\u1eadn nh\u1ef1a c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i h\u00f3a ch\u1ea5t\u2014kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi s\u1ef1 c\u1ed1 tr\u00e0n axit trong nh\u00e0 m\u00e1y, d\u1ea7u m\u1ee1 tr\u00ean ph\u1ed1 \u1ea9m th\u1ef1c ho\u1eb7c s\u1ef1 \u0103n m\u00f2n c\u1ee7a ch\u1ea5t ch\u1ed1ng \u0111\u00f3ng b\u0103ng trong h\u01a1n 20 n\u0103m. &nbsp;<\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;L\u1edbp ch\u1ed1ng m\u00e0i m\u00f2n \u0111\u01b0\u1ee3c gia c\u1ed1 b\u1eb1ng c\u00e1t th\u1ea1ch anh c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p l\u1ef1c r\u1eeda trong h\u00e0ng th\u1eadp k\u1ef7 (\u0111\u1ed9 m\u00e0i m\u00f2n &lt;1mm), b\u1ec1n h\u01a1n 1,5 l\u1ea7n so v\u1edbi l\u01b0\u1edbi gang t\u01b0\u01a1ng \u0111\u01b0\u01a1ng. &nbsp;<\/p>\n\n\n\n<p><strong>2. Ng\u01b0\u1eddi b\u1ea3o v\u1ec7 c\u1ed9ng \u0111\u1ed3ng im l\u1eb7ng v\u00e0 ch\u1ed1ng tr\u01b0\u1ee3t \u00a0<\/strong><\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;Gio\u0103ng cao su + gi\u1ea3m ch\u1ea5n t\u1ed5ng h\u1ee3p h\u1ea1n ch\u1ebf ti\u1ebfng \u1ed3n \u1edf m\u1ee9c \u226440dB (y\u00ean t\u0129nh h\u01a1n ti\u1ebfng l\u1eadt trang trong th\u01b0 vi\u1ec7n) khi ch\u1edf xe ba b\u00e1nh. &nbsp;<\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;B\u1ec1 m\u1eb7t ch\u1ed1ng tr\u01b0\u1ee3t c\u00f3 h\u1ecda ti\u1ebft kim c\u01b0\u01a1ng + r\u00e3nh tho\u00e1t n\u01b0\u1edbc gi\u00fap t\u0103ng l\u1ef1c b\u00e1m tr\u00ean m\u1eb7t n\u01b0\u1edbc l\u00ean 35%, b\u1ea3o v\u1ec7 an to\u00e0n cho ng\u01b0\u1eddi gi\u00e0 v\u00e0 tr\u1ebb em. &nbsp;<\/p>\n\n\n\n<p><strong>3. Ti\u1ebft ki\u1ec7m d\u00e0i h\u1ea1n kh\u00f4ng c\u1ea7n b\u1ea3o tr\u00ec \u00a0<\/strong><\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;Kh\u00f4ng r\u1ec9 s\u00e9t\/\u0103n m\u00f2n, ch\u1ec9 c\u1ea7n v\u1ec7 sinh s\u1ea1ch b\u00f9n \u0111\u1ea5t\u2014kh\u00f4ng c\u1ea7n s\u01a1n l\u1ea1i. T\u1ed5ng chi ph\u00ed th\u1ea5p h\u01a1n 40% so v\u1edbi l\u01b0\u1edbi gang, l\u00fd t\u01b0\u1edfng cho vi\u1ec7c c\u1ea3i t\u1ea1o h\u1ea1n ch\u1ebf v\u1ec1 ng\u00e2n s\u00e1ch \u1edf c\u00e1c khu ph\u1ed1 c\u1ed5. &nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">III. Th\u00e0nh th\u1ea1o x\u00e2y d\u1ef1ng: H\u01b0\u1edbng d\u1eabn v\u1ec1 c\u1ea1m b\u1eaby c\u1ee7a c\u1ef1u chi\u1ebfn binh &nbsp;<\/h3>\n\n\n\n<p><strong>1. C\u00e2n b\u1eb1ng \u1edf m\u1ee9c milim\u00e9t gi\u00fap ng\u0103n ng\u1eeba v\u1ea5p ng\u00e3 \u00a0<\/strong><\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;Nh\u00fang c\u00e1c m\u00f3ng th\u00e9p \u03a610 (nghi\u00eang ra ngo\u00e0i 15\u00b0 \u0111\u1ec3 ch\u1ed1ng k\u00e9o) \u1edf b\u1ed1n g\u00f3c; \u0111\u1ed9 s\u00e2u \u0111\u1ed5 &gt;15cm. &nbsp;<\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;L\u1eafp l\u01b0\u1edbi ch\u1eafn th\u1ea5p h\u01a1n m\u1eb7t \u0111\u01b0\u1eddng 2-3mm \u0111\u1ec3 xe l\u0103n\/xe \u0111\u1ea9y tr\u1ebb em c\u00f3 th\u1ec3 \u0111i qua d\u1ec5 d\u00e0ng. &nbsp;<\/p>\n\n\n\n<p><strong>2. \u0110\u1ed9 d\u1ed1c quy\u1ebft \u0111\u1ecbnh \u0111\u01b0\u1eddng tho\u00e1t n\u01b0\u1edbc \u00a0<\/strong><\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;\u0110\u1ed9 nghi\u00eang ra ngo\u00e0i 7\u00b0 (so v\u1edbi ti\u00eau chu\u1ea9n 5\u00b0) t\u1eadn d\u1ee5ng chi\u1ec1u d\u00e0i 500mm \u0111\u1ec3 t\u1ea1o ra d\u00f2ng ch\u1ea3y m\u1ea1nh m\u1ebd. &nbsp;<\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;\u0110\u1ed9 d\u1ed1c \u1ed1ng \u22658% x\u1ea3 s\u1ea1ch b\u00f9n \u1edf h\u1ea1 l\u01b0u, k\u00e9o d\u00e0i chu k\u1ef3 l\u00e0m s\u1ea1ch t\u1eeb 1 \u0111\u1ebfn 6 th\u00e1ng. &nbsp;<\/p>\n\n\n\n<p><strong>3. Chi ti\u1ebft quan tr\u1ecdng v\u1ec1 ch\u1ed1ng \u0111\u1ecbnh c\u01b0 \u00a0<\/strong><\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;L\u1ea5p \u0111\u1ea7y b\u1eb1ng c\u00e1t th\u00f4 v\u1eeba tr\u1ed9n v\u1edbi v\u1eefa xi m\u0103ng 10% (kh\u00f4ng bao gi\u1edd s\u1eed d\u1ee5ng m\u1ea3nh v\u1ee5n x\u00e2y d\u1ef1ng). &nbsp;<\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;B\u01a1m ch\u1ea5t tr\u00e1m k\u00edn c\u00f3 nhi\u1ec7t \u0111\u1ed9 t\u1eeb -40\u00b0C \u0111\u1ebfn 120\u00b0C v\u00e0o c\u00e1c m\u1ed1i n\u1ed1i nh\u1ef1a \u0111\u01b0\u1eddng \u0111\u1ec3 ng\u0103n n\u01b0\u1edbc r\u00f2 r\u1ec9 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng \u0111\u00f3ng b\u0103ng. &nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">IV. Nh\u1eefng chi\u1ebfn tr\u01b0\u1eddng kh\u00f4ng th\u1ec3 thay th\u1ebf &nbsp;<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1. M\u00e1ng x\u1ed1i h\u1eb9p trong c\u00e1c c\u1ed9ng \u0111\u1ed3ng c\u0169: M\u00e1ng x\u1ed1i 500\u00d7320 ho\u00e0n h\u1ea3o cho r\u00e3nh t\u01b0\u1eddng c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 30-50cm\u2014kh\u00f4ng c\u1ea7n m\u00e1y m\u00f3c, ch\u1ec9 c\u1ea7n n\u00e2ng th\u1ee7 c\u00f4ng! &nbsp;<\/li>\n\n\n\n<li>2. L\u1ed1i v\u00e0o ph\u00eda sau nh\u00e0 h\u00e0ng: B\u1ec1 m\u1eb7t ch\u1ed1ng d\u1ea7u ch\u1ecbu \u0111\u01b0\u1ee3c d\u1ea7u m\u1ee1 khi r\u1eeda s\u1ea1ch; r\u1eeda b\u1eb1ng \u00e1p l\u1ef1c s\u1ebd kh\u00f4ng b\u1ecb bong tr\u00f3c. &nbsp;<\/li>\n\n\n\n<li>3. H\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc h\u00e0nh lang tr\u01b0\u1eddng h\u1ecdc: Thi\u1ebft k\u1ebf im l\u1eb7ng gi\u00fap l\u1edbp h\u1ecdc t\u1eadp trung; c\u00e1c c\u1ea1nh bo tr\u00f2n b\u1ea3o v\u1ec7 tr\u1ebb em ch\u1ea1y nh\u1ea3y. <\/li>\n\n\n\n<li>4. H\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc \u1ea9n cho v\u01b0\u1eddn tr\u00ean m\u00e1i: Tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9 gi\u00fap gi\u1ea3m t\u1ea3i tr\u1ecdng cho t\u1ea5m b\u00ea t\u00f4ng; b\u1ec1 m\u1eb7t c\u00f3 th\u1ec3 s\u01a1n m\u00e0u xanh l\u00e1 c\u00e2y h\u00f2a h\u1ee3p v\u1edbi b\u00e3i c\u1ecf. &nbsp;<\/li>\n\n\n\n<li>5. \u0110\u01b0\u1eddng \u0111i b\u1ed9 trong nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t: Ch\u1ed1ng axit b\u1eafn v\u00e0o; l\u1edbp c\u00e1ch nhi\u1ec7t b\u1ea3o v\u1ec7 c\u00e1p ng\u1ea7m. &nbsp;<\/li>\n<\/ul>\n\n\n\n<p>So v\u1edbi l\u01b0\u1edbi s\u1eaft d\u1ebbo: M\u1eb7c d\u00f9 gang c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i cao h\u01a1n m\u1ed9t ch\u00fat nh\u01b0ng l\u1ea1i kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, d\u1ec5 l\u1eafp \u0111\u1eb7t v\u00e0 chi ph\u00ed tr\u1ecdn \u0111\u1eddi - \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi c\u00e1c c\u00f4ng tr\u00ecnh c\u1ea3i t\u1ea1o l\u00e0n \u0111\u01b0\u1eddng h\u1eb9p, l\u01b0\u1edbi \u0111\u01a1n composite l\u00e0 l\u1ef1a ch\u1ecdn kh\u1ea3 thi duy nh\u1ea5t!<\/p>","protected":false},"excerpt":{"rendered":"<p>I. V\u1eadt li\u1ec7u l\u00f5i v\u00e0 thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u 1. H\u1ee3p ch\u1ea5t \u0111\u00fac t\u1ea5m SMC\/BMC hi\u1ec7u su\u1ea5t cao (nh\u1ef1a polyester kh\u00f4ng b\u00e3o h\u00f2a gia c\u01b0\u1eddng s\u1ee3i th\u1ee7y tinh) \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh th\u00f4ng qua qu\u00e1 tr\u00ecnh \u0111\u00fac n\u00e9n \u0111\u01a1n nhi\u1ec7t \u0111\u1ed9 cao\/\u00e1p su\u1ea5t cao. Thi\u1ebft k\u1ebf d\u00e0y 50mm t\u00edch h\u1ee3p c\u1ed1t th\u00e9p l\u01b0\u1edbi 3D, t\u1ea1o n\u00ean c\u1ea5u tr\u00fac nguy\u00ean kh\u1ed1i m\u1eadt \u0111\u1ed9 cao, ph\u00e2n b\u1ed5 t\u1ea3i tr\u1ecdng \u0111\u1ed3ng \u0111\u1ec1u. II. N\u0103m \u01b0u \u0111i\u1ec3m c\u1ee7a chi\u1ebfn tr\u01b0\u1eddng: S\u1ea3n ph\u1ea9m \u0111a n\u0103ng cho l\u1ed1i \u0111i h\u1eb9p 1. Vua ch\u1ed1ng \u0103n m\u00f2n [\u2026]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,54,2],"tags":[85,87,63],"class_list":["post-1011","post","type-post","status-publish","format-standard","hentry","category-composite-resin-fiber-products","category-grate-composite-resin-fiber-products","category-products","tag-composite-manhole-cover","tag-grate","tag-manhole-cover"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>500\u00d7320\u00d750 Composite Single Grille - Composite Grate - Luzhongbao Metal Products Co., Ltd<\/title>\n<meta name=\"description\" content=\"The 500\u00d7320\u00d750 composite single grille redefines trench cover genetics with SMC\/BMC composites\u2014its 50mm thickness embeds steel mesh to tame wheel loads, while V-shaped grille bars paired with nano-coating elevate drainage efficiency and anti-clogging to unprecedented levels. Its value transcends hardware: explosion-proof properties safeguard lives at gas stations; corrosion resistance saves millions in coastal highway upkeep; lightweight design eliminates tripping risks for seniors in aging neighborhoods. 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Its value transcends hardware: explosion-proof properties safeguard lives at gas stations; corrosion resistance saves millions in coastal highway upkeep; lightweight design eliminates tripping risks for seniors in aging neighborhoods. 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