{"id":3069,"date":"2026-01-20T19:20:42","date_gmt":"2026-01-20T11:20:42","guid":{"rendered":"https:\/\/joobond.com\/?post_type=construction_insight&p=3069"},"modified":"2026-01-20T19:20:42","modified_gmt":"2026-01-20T11:20:42","slug":"bang-thoi-gian-dong-cung-cua-polyurethane","status":"publish","type":"construction_insight","link":"https:\/\/joobond.com\/vi\/thong-tin-xay-dung\/bang-thoi-gian-dong-cung-cua-polyurethane\/","title":{"rendered":"B\u1ea3ng th\u1eddi gian \u0111\u00f4ng c\u1ee9ng c\u1ee7a polyurethane"},"content":{"rendered":"

\u0110\u00e2y l\u00e0 m\u1ed9t B\u1ea3ng th\u1eddi gian \u0111\u00f4ng c\u1ee9ng c\u1ee7a keo polyurethane (PU) trong su\u1ed1t, ti\u00eau chu\u1ea9n ng\u00e0nh.<\/strong> \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 nh\u00e0 th\u1ea7u th\u01b0\u1eddng s\u1eed d\u1ee5ng. \u0110i\u1ec1u n\u00e0y \u00e1p d\u1ee5ng cho Keo PU m\u1ed9t th\u00e0nh ph\u1ea7n kh\u00f4 b\u1eb1ng h\u01a1i \u1ea9m<\/strong> (lo\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t).<\/p>\n

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\ud83d\udd52 B\u1ea3ng th\u1eddi gian \u0111\u00f4ng c\u1ee9ng c\u1ee7a keo polyurethane<\/h2>\n

(Gi\u00e1 tr\u1ecb \u0111i\u1ec3n h\u00ecnh \u1edf 23 \u00b0C \/ 50% RH)<\/em><\/p>\n

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S\u00e2n kh\u1ea5u<\/th>\nTh\u1eddi gian<\/th>\n<\/tr>\n<\/thead>\n
Qu\u00e1 tr\u00ecnh h\u00ecnh th\u00e0nh l\u1edbp da (Th\u1eddi gian kh\u00f4ng d\u00ednh)<\/strong><\/td>\n30\u201390 ph\u00fat<\/td>\n<\/tr>\n
\u0110i\u1ec1u tr\u1ecb ban \u0111\u1ea7u \/ X\u1eed l\u00fd<\/strong><\/td>\n3\u20136 gi\u1edd<\/td>\n<\/tr>\n
T\u1ed1c \u0111\u1ed9 ch\u1eefa l\u00e0nh<\/strong><\/td>\n~2\u20134 mm m\u1ed7i 24 gi\u1edd<\/td>\n<\/tr>\n
\u0110\u1ed9 s\u00e2u kh\u00f4 trong 24 gi\u1edd<\/strong><\/td>\n2\u20134 mm<\/td>\n<\/tr>\n
Ch\u1eefa l\u00e0nh ho\u00e0n to\u00e0n (\u0110\u01b0\u1eddng k\u00ednh h\u1ea1t m\u1ecfng \u22645 mm)<\/strong><\/td>\n2\u20133 ng\u00e0y<\/td>\n<\/tr>\n
Qu\u00e1 tr\u00ecnh \u0111\u00f4ng c\u1ee9ng ho\u00e0n to\u00e0n (\u0111\u01b0\u1eddng k\u00ednh h\u1ea1t 10\u201315 mm)<\/strong><\/td>\n5\u20137 ng\u00e0y<\/td>\n<\/tr>\n
\u0110\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc to\u00e0n ph\u1ea7n<\/strong><\/td>\n7\u201314 ng\u00e0y<\/td>\n<\/tr>\n
Th\u1eddi gian c\u00f3 th\u1ec3 s\u01a1n<\/strong><\/td>\nSau khi l\u1edbp s\u01a1n kh\u00f4 ho\u1eb7c sau 2\u20134 gi\u1edd (t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i s\u01a1n)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
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\ud83c\udf21\ufe0f \u1ea2nh h\u01b0\u1edfng c\u1ee7a m\u00f4i tr\u01b0\u1eddng \u0111\u1ebfn th\u1eddi gian \u0111\u00f4ng c\u1ee9ng<\/h2>\n
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\u0110i\u1ec1u ki\u1ec7n<\/th>\n\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh \u0111\u00f4ng c\u1ee9ng<\/th>\n<\/tr>\n<\/thead>\n
\u0110\u1ed9 \u1ea9m cao h\u01a1n<\/strong><\/td>\nKh\u00f4 nhanh h\u01a1n \u2705<\/td>\n<\/tr>\n
\u0110\u1ed9 \u1ea9m th\u1ea5p h\u01a1n<\/strong><\/td>\nQu\u00e1 tr\u00ecnh \u0111\u00f4ng c\u1ee9ng ch\u1eadm h\u01a1n \u26a0\ufe0f<\/td>\n<\/tr>\n
Nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n (>30 \u00b0C)<\/strong><\/td>\nL\u1ed9t da nhanh h\u01a1n<\/td>\n<\/tr>\n
Nhi\u1ec7t \u0111\u1ed9 th\u1ea5p (<5 \u00b0C)<\/strong><\/td>\nR\u1ea5t ch\u1eadm \/ c\u00f3 th\u1ec3 d\u1eebng l\u1ea1i<\/td>\n<\/tr>\n
L\u1edbp ph\u1ee7 d\u00e0y<\/strong><\/td>\nTh\u1eddi gian ch\u1eefa l\u00e0nh ho\u00e0n to\u00e0n l\u00e2u h\u01a1n nhi\u1ec1u.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
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Keo d\u00e1n PU Ch\u1eefa tr\u1ecb t\u1eeb b\u00ean ngo\u00e0i v\u00e0o b\u00ean trong<\/strong> \u2014 H\u1ea1t d\u00e0y c\u00f3 th\u1ec3 c\u1ea3m th\u1ea5y kh\u00f4 tr\u00ean b\u1ec1 m\u1eb7t nh\u01b0ng v\u1eabn m\u1ec1m b\u00ean trong.<\/p>\n<\/blockquote>\n

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\ud83e\uddea So s\u00e1nh nhanh gi\u1eefa PU m\u1ed9t th\u00e0nh ph\u1ea7n v\u00e0 PU hai th\u00e0nh ph\u1ea7n<\/h2>\n
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Lo\u1ea1i<\/th>\nTh\u1eddi gian ch\u0103m s\u00f3c da<\/th>\nCh\u1eefa kh\u1ecfi ho\u00e0n to\u00e0n<\/th>\n<\/tr>\n<\/thead>\n
1K PU (kh\u00f4 b\u1eb1ng h\u01a1i \u1ea9m)<\/strong><\/td>\n30\u201390 ph\u00fat<\/td>\nNg\u00e0y<\/td>\n<\/tr>\n
2K PU (ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc)<\/strong><\/td>\n10\u201330 ph\u00fat<\/td>\n6\u201324 gi\u1edd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
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\u26a0\ufe0f L\u01b0u \u00fd quan tr\u1ecdng cho chuy\u00ean gia<\/h2>\n