{"id":142,"date":"2025-05-09T02:50:31","date_gmt":"2025-05-09T01:50:31","guid":{"rendered":"https:\/\/polyisofactory.com\/?p=142"},"modified":"2025-05-09T03:04:29","modified_gmt":"2025-05-09T02:04:29","slug":"%e8%81%9a%e7%95%b0%e7%9f%bd%e8%86%a0%e7%b5%95%e7%b7%a3%e6%9d%90%e6%9c%83%e9%9a%a8%e8%91%97%e6%99%82%e9%96%93%e6%90%8d%e5%a4%b1-r-%e5%80%bc%e5%97%8e-%e8%a9%b3%e7%b4%b0%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"https:\/\/polyisofactory.com\/zh\/knowledge\/does-polyiso-insulation-lose-r-value-over-time-a-detailed-analysis\/","title":{"rendered":"Polyiso \u9694\u71b1\u6750\u6599\u7684 R \u503c\u6703\u96a8\u8457\u6642\u9593\u800c\u964d\u4f4e\u55ce\uff1f\u8a73\u7d30\u5206\u6790"},"content":{"rendered":"

\u805a\u7570\u6c30\u8132\u9178\u916f (Polyisocyanurate, polyiso) \u7d55\u7de3\u6750\u6599\u56e0\u5176\u9ad8\u71b1\u963b\u503c (R \u503c) \u548c\u9ad8\u80fd\u6e90\u6548\u7387\u800c\u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u5efa\u7bc9\u4e2d\u3002\u7136\u800c\uff0c\u6709\u95dc\u5176\u9577\u671f\u6027\u80fd\u7684\u554f\u984c\uff0c\u7279\u5225\u662f\u805a\u7570\u6c30\u8132\u9178\u916f\u662f\u5426\u6703\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\u800c\u964d\u4f4e R \u503c\uff0c\u4ecd\u7136\u662f\u5efa\u7bc9\u5546\u3001\u5efa\u7bc9\u5e2b\u548c\u5c4b\u4e3b\u975e\u5e38\u95dc\u5fc3\u7684\u554f\u984c\u3002\u672c\u6587\u5c07\u6839\u64da\u7814\u7a76\u548c\u7522\u696d\u6578\u64da\uff0c\u63a2\u8a0e\u5f71\u97ff\u805a\u7d22 R \u503c\u7a69\u5b9a\u6027\u7684\u56e0\u7d20\uff0c\u4e26\u540c\u6642\u89e3\u6c7a\u95dc\u65bc\u7d55\u7de3\u8010\u4e45\u6027\u548c\u74b0\u5883\u5f71\u97ff\u7684\u76f8\u95dc\u554f\u984c\u3002<\/p>\n\n\n\n

\"\u805a\u916f\u7e96\u7dad<\/figure><\/div>\n\n\n\n
\n\n\n\n

\u77ad\u89e3\u805a\u7570\u6c30\u8132\u9178\u916f\u7d55\u7de3\u6750\u6599<\/strong><\/h3>\n\n\n\n

Polyiso \u662f\u4e00\u7a2e\u7531\u9589\u5b54\u7d50\u69cb\u7d44\u6210\u7684\u786c\u8cea\u6ce1\u6cab\u677f\u9694\u71b1\u6750\u8cea\uff0c\u5176\u8868\u9762\u901a\u5e38\u8986\u6709\u92c1\u7b94\u6216\u73bb\u7483\u7e96\u7dad\u3002\u5b83\u7684\u9ad8 R \u503c\uff08\u6bcf\u82f1\u5bf8\u7d04 R-6 \u81f3 R-6.5\uff09\u4f7f\u5176\u6210\u70ba\u5c4b\u9802\u3001\u7246\u58c1\u548c\u5730\u9762\u4ee5\u4e0b\u61c9\u7528\u7684\u71b1\u9580\u9078\u64c7\u3002\u8207\u73bb\u7483\u7e96\u7dad\u6216\u7e96\u7dad\u7d20\u4e0d\u540c\uff0c\u805a\u7570\u7e96\u7dad\u662f\u9760\u5145\u6eff\u6c23\u9ad4\u7684\u55ae\u5143\u4f86\u62b5\u6297\u71b1\u50b3\u5c0e\u3002\u7136\u800c\uff0c\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u9019\u4e9b\u55ae\u5143\u5167\u7684\u6c23\u9ad4\u6703\u64f4\u6563\uff0c\u53ef\u80fd\u6703\u964d\u4f4e\u71b1\u6027\u80fd--\u9019\u500b\u904e\u7a0b\u7a31\u70ba \u71b1\u8001\u5316<\/em> \u6216 \u71b1\u6f02\u79fb<\/em>.<\/p>\n\n\n\n

\n\n\n\n

Polyiso \u7684 R \u503c\u6703\u964d\u4f4e\u55ce\uff1f\u79d1\u5b78\u89e3\u91cb<\/strong><\/h3>\n\n\n\n

\u7814\u7a76\u8868\u660e\uff0c\u805a\u7570\u77fd\u81a0\u7d55\u7de3\u6750\u6599\u5728\u6700\u521d\u5e7e\u5e74\u7684 R \u503c\u6703\u6709\u660e\u986f\u7684\u4e0b\u964d\u3002\u51fa\u73fe\u9019\u7a2e\u60c5\u6cc1\u7684\u539f\u56e0\u662f\u88fd\u9020\u904e\u7a0b\u4e2d\u4f7f\u7528\u7684\u767c\u6ce1\u5291\uff08\u620a\u70f7\u6216\u78b3\u6c2b\u5316\u5408\u7269\u7b49\u6c23\u9ad4\uff09\u6703\u9010\u6f38\u9038\u51fa\uff0c\u53d6\u800c\u4ee3\u4e4b\u7684\u662f\u9694\u71b1\u6027\u80fd\u8f03\u4f4e\u7684\u7a7a\u6c23\u3002\u7f8e\u570b\u5c4b\u9802\u627f\u5305\u5546\u5354\u6703 (NRCA) \u548c\u6a61\u6a39\u5dba\u570b\u5bb6\u5be6\u9a57\u5ba4 (ORNL) \u7b49\u7d44\u7e54\u7684\u7814\u7a76\u986f\u793a\uff1a<\/p>\n\n\n\n

    \n
  • \u77ed\u671f\u640d\u5931<\/strong>:\u5927\u591a\u6578\u7684\u71b1\u6f02\u79fb\u767c\u751f\u5728\u6700\u521d\u7684\u5169\u5e74\u5167\uff0cR \u503c\u6703\u4e0b\u964d 10-15%\u3002<\/li>\n\n\n\n
  • \u9577\u671f\u7a69\u5b9a\u6027<\/strong>:\u5728\u6b64\u521d\u671f\u4e4b\u5f8c\uff0cR \u503c\u6703\u7a69\u5b9a\u4e0b\u4f86\uff0c\u5927\u7d04\u6703\u4fdd\u7559\u539f\u59cb\u984d\u5b9a\u503c\u7684 85-90%\u3002<\/li>\n<\/ul>\n\n\n\n

    \u4f8b\u5982\uff0c\u6bcf\u82f1\u540b\u984d\u5b9a R-6 \u7684\u805a\u85a9\u68c9\u5728\u8001\u5316\u5f8c\u53ef\u80fd\u6703\u7a69\u5b9a\u5728 R-5.1 \u5230 R-5.4\u3002\u9019\u500b\u7a69\u5b9a\u503c\u901a\u5e38\u7528\u65bc\u5efa\u7bc9\u898f\u7bc4\u7684\u80fd\u6e90\u8a08\u7b97\u3002<\/p>\n\n\n\n

    \n\n\n\n

    \u5f71\u97ff\u805a\u7570\u6c30\u8132\u9178\u916f\u9577\u671f\u6548\u80fd\u7684\u56e0\u7d20<\/strong><\/h3>\n\n\n\n
      \n
    1. \u6975\u7aef\u6eab\u5ea6<\/strong>:\u9577\u6642\u9593\u66b4\u9732\u5728\u9ad8\u6eab\u4e4b\u4e0b\uff08\u4f8b\u5982\u5728\u5c4b\u9802\u4e0a\uff09\u6703\u52a0\u901f\u6c23\u9ad4\u64f4\u6563\u3002<\/li>\n\n\n\n
    2. \u6fd5\u6c23\u66b4\u9732<\/strong>:\u96d6\u7136\u805a\u916f\u7e96\u7dad\u5177\u6709\u9632\u6f6e\u6027\uff0c\u4f46\u9577\u671f\u7684\u6c34\u4efd\u6ef2\u900f\u6703\u640d\u5bb3\u5176\u9762\u677f\u548c\u82af\u6750\u3002<\/li>\n\n\n\n
    3. \u5b89\u88dd\u54c1\u8cea<\/strong>:\u5b89\u88dd\u6642\u5bc6\u5c01\u6216\u58d3\u7e2e\u4e0d\u7576\uff0c\u6703\u7522\u751f\u7e2b\u9699\uff0c\u964d\u4f4e\u6709\u6548 R \u503c\u3002<\/li>\n\n\n\n
    4. \u6750\u6599\u539a\u5ea6<\/strong>:\u8f03\u539a\u7684\u677f\u5b50\u7531\u65bc\u8868\u9762\u7a4d\u8207\u9ad4\u7a4d\u6bd4\u8f03\u4f4e\uff0c\u56e0\u6b64\u6c23\u9ad4\u64f4\u6563\u901f\u5ea6\u8f03\u6162\u3002<\/li>\n<\/ol>\n\n\n\n
      \n\n\n\n

      \u805a\u7570\u6c30\u8132\u9178\u916f\u8207\u5176\u4ed6\u7d55\u7de3\u6750\u6599\u7684\u6bd4\u8f03<\/strong><\/h3>\n\n\n\n

      \u8981\u4e86\u89e3\u805a\u7570\u6c30\u8132\u9178\u916f\u7684\u6027\u80fd\uff0c\u8acb\u8003\u616e\u7af6\u722d\u5c0d\u624b\u7684\u6750\u6599\uff1a<\/p>\n\n\n\n

        \n
      • XPS (\u64e0\u51fa\u805a\u82ef\u4e59\u70ef)<\/strong>:\u7531\u65bc\u985e\u4f3c\u7684\u6c23\u9ad4\u64f4\u6563\u554f\u984c\uff0c\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\u6703\u640d\u5931 10-20% R \u503c\u3002<\/li>\n\n\n\n
      • EPS (\u767c\u6ce1\u805a\u82ef\u4e59\u70ef)<\/strong>:\u9577\u671f\u7dad\u6301\u63a5\u8fd1 100% \u7684 R \u503c\uff0c\u4f46\u521d\u59cb\u984d\u5b9a\u503c\u8f03\u4f4e\uff08\u6bcf\u82f1\u540b R-3.6 \u81f3 R-4.2\uff09\u3002<\/li>\n\n\n\n
      • \u5674\u9727\u6ce1\u68c9<\/strong>:\u9589\u5b54\u5674\u5857\u6ce1\u6cab\u80fd\u66f4\u597d\u5730\u4fdd\u6301 R \u503c\uff0c\u4f46\u6210\u672c\u660e\u986f\u8f03\u9ad8\u3002<\/li>\n<\/ul>\n\n\n\n

        \u96d6\u7136\u805a\u916f\u7e96\u7dad\u7684\u8001\u5316 R \u503c\u4ecd\u7136\u5177\u6709\u7af6\u722d\u529b\uff0c\u4f46\u5176\u6027\u80fd\u53d6\u6c7a\u65bc\u7279\u5b9a\u7684\u61c9\u7528\u689d\u4ef6\u3002<\/p>\n\n\n\n

        \n\n\n\n

        \u7522\u696d\u6a19\u6e96\u8207\u6e2c\u8a66\u65b9\u6cd5<\/strong><\/h3>\n\n\n\n

        \u805a\u7570\u77fd\u81a0\u7d55\u7de3\u6750\u6599\u5fc5\u9808\u7d93\u904e\u52a0\u901f\u8001\u5316\u6e2c\u8a66\uff08\u4f8b\u5982 ASTM C1289\uff09\uff0c\u4ee5\u6a21\u64ec\u5728\u53d7\u63a7\u74b0\u5883\u4e2d\u6578\u5341\u5e74\u7684\u4f7f\u7528\u58fd\u547d\u3002\u88fd\u9020\u5546\u5fc5\u9808\u5831\u544a \u8001\u5316\u7684 R \u503c<\/em> \u4ee5\u9019\u4e9b\u6e2c\u8a66\u70ba\u57fa\u790e\uff0c\u78ba\u4fdd\u900f\u660e\u5ea6\u3002\u7136\u800c\uff0c\u5be6\u969b\u74b0\u5883\u689d\u4ef6 (\u4f8b\u5982\u7d2b\u5916\u7dda\u66dd\u66ec\u6216\u6a5f\u68b0\u640d\u58de) \u53ef\u80fd\u6703\u5c0e\u81f4\u5be6\u9a57\u5ba4\u7d50\u679c\u51fa\u73fe\u504f\u5dee\u3002<\/p>\n\n\n\n

        \n\n\n\n

        \u6e1b\u5c11 R \u503c\u640d\u5931\uff1a\u6700\u4f73\u5be6\u52d9<\/strong><\/h3>\n\n\n\n
          \n
        • \u4f7f\u7528\u5de5\u5ee0\u8001\u5316\u8cc7\u6599<\/strong>:\u6307\u5b9a\u5177\u6709\u7d93\u6e2c\u8a66\u9577\u671f R \u503c\u7684\u9694\u71b1\u5c64\uff0c\u4ee5\u9032\u884c\u6e96\u78ba\u7684\u80fd\u6e90\u5efa\u6a21\u3002<\/li>\n\n\n\n
        • \u9632\u8b77\u5c4f\u969c<\/strong>:\u5b89\u88dd\u9632\u6c7d\u5c64\u6216\u53cd\u5149\u9762\u5c64\uff0c\u4ee5\u9632\u6fd5\u6c23\u548c\u6eab\u5ea6\u8b8a\u5316\u3002<\/li>\n\n\n\n
        • \u5b9a\u671f\u6aa2\u67e5<\/strong>:\u6aa2\u67e5\u662f\u5426\u6709\u58d3\u7e2e\u3001\u7e2b\u9699\u6216\u6c34\u640d\uff0c\u5c24\u5176\u662f\u5c4b\u9802\u6216\u5730\u9762\u4ee5\u4e0b\u7684\u5b89\u88dd\u3002<\/li>\n<\/ul>\n\n\n\n
          \n\n\n\n

          \u7e3d\u7d50<\/strong><\/h3>\n\n\n\n

          \u805a\u919a\u781c\u9694\u70ed\u6750\u6599\u786e\u5b9e\u4f1a\u51fa\u73b0 R \u503c\u635f\u5931\uff0c\u4e3b\u8981\u662f\u5728\u5934\u4e24\u5e74\uff0c\u4f46\u4e4b\u540e\u4f1a\u8d8b\u4e8e\u7a33\u5b9a\uff0c\u5e76\u4fdd\u6301\u5176\u5927\u90e8\u5206\u70ed\u963b\u3002\u96d6\u7136\u805a\u919a\u7e96\u7dad\u4e0d\u53d7\u964d\u89e3\u5f71\u97ff\uff0c\u4f46\u6b63\u78ba\u7684\u5b89\u88dd\u548c\u74b0\u5883\u4fdd\u8b77\u53ef\u78ba\u4fdd\u5b83\u4ecd\u662f\u4e00\u7a2e\u5177\u6709\u6210\u672c\u6548\u76ca\u7684\u9ad8\u6027\u80fd\u9078\u64c7\u3002\u5efa\u7bc9\u5546\u548c\u5c4b\u4e3b\u5728\u9078\u64c7\u9694\u71b1\u6750\u8cea\u6642\uff0c\u61c9\u512a\u5148\u8003\u616e\u88fd\u9020\u6642\u7684 R \u503c\uff0c\u4e26\u8003\u616e\u7279\u5b9a\u6c23\u5019\u7684\u6311\u6230\u3002<\/p>\n\n\n\n

          \u5c0d\u65bc\u90a3\u4e9b\u8a55\u4f30\u9577\u671f\u7bc0\u80fd\u6548\u679c\u7684\u4eba\u4f86\u8aaa\uff0c\u805a\u85a9\u68c9\u5728\u521d\u59cb\u6027\u80fd\u3001\u8010\u7528\u6027\u548c\u6709\u7af6\u722d\u529b\u7684\u50f9\u683c\u4e4b\u9593\u7684\u5e73\u8861\u4f7f\u5176\u6210\u70ba\u4e00\u500b\u53ef\u884c\u7684\u9078\u64c7 - \u53ea\u8981\u5728\u8a2d\u8a08\u548c\u7dad\u8b77\u6642\u8003\u616e\u5230\u5b83\u7684\u5c40\u9650\u6027\u3002<\/p>\n\n\n\n

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

          Polyisocyanurate (polyiso) insulation is widely used in construction for its high thermal resistance (R-value) and energy efficiency. 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