符åJC/T 998-2006ä¸çâ
类产åçè¦æ±ï¼è¾¾å°äºB2级ã æã建çææçç§æ§è½å级æ¹æ³ãï¼GB8624-1997ï¼æ åï¼èæ°¨é
¯è¾¾å°B2级è¦æ±ï¼æ·»å ç¹æ®é»çååå¯ä»¥å°è¾¾B1级ãæäºææ è¾¾å°A级ã
ããèæ°¨é
¯ä¿æ¸©æ¿æ¯ç±èæ°¨åºç²é
¸é
¯ç»è¿ä¸å®çå·¥èºå¶æçå
·æä¿æ¸©æ§è½çæ¿æã
ãã产åç¹ç¹ï¼
ããâãè§æ ¼åç§å¤ï¼å®¹éèå´ï¼ï¼40â60kg/m3ï¼ï¼é¿åº¦èå´ï¼ï¼0.5ç±³â4ç±³ï¼ï¼å®½åº¦èå´ï¼ï¼0.5ç±³â1.2ç±³ï¼ï¼å度èå´ï¼ï¼20毫米â200毫米ï¼ã
ããâãåå²ç²¾åº¦é«ï¼å度误差士0.5mmï¼ä»èä¿è¯äºå¶æå表é¢çå¹³æ´åº¦ã
ããâã泡沫ç»å¯ï¼æ³¡åååã
ããâã容éè½»ï¼å¯ä»¥åå°å¶æåçèªééï¼æ¯ä¼ ç»ç产åä½30â60%ã
ããâãæå强度大ï¼å¯ä»¥æ¿åå¨å¶é æåè¿ç¨ä¸ç巨大ååã
ããâãæ¹ä¾¿è´¨éçæ£éªï¼ç±äºå¨åå²è¿ç¨ä¸å»æäºåå¨ç表ç®ï¼æ¿æçè´¨éä¸ç®äºç¶ï¼ä¿è¯äºå¶æåçä¿æ¸©ææããå度å¯æç¨æ·è¦æ±ç产å å·¥ã
èæ°¨é
¯å
·æä¼å¼çé»çæ§è½ï¼éç«æ¶å¨è¡¨é¢å¼æçåç»ç¦å±ï¼ææé²æ¢ç«å¿è延ãå¤ä¿æ¸©çç«å ä¹å
¨é¨é½æ¯å¨æ½å·¥è¿ç¨ä¸ï¼èæ°¨é
¯æ¬èº«ç¦»ç«èªçï¼ä¸è¯¥æ¿ä¸¤é¢ä¸ºæ æºææï¼æ½å·¥è¿ç¨ä¸å¯ææé¿å
ç«ç¾ãçåæ¶é´çï¼èæ°¨é
¯æ¿æçåæ约为72å°æ¶ï¼èèè¯æ¿çåé42天ã
é²ç«ç级å½å®¶é²ç«å»ºçææè´¨éçç£æ£éªä¸å¿æå¨æ£æµï¼èæ°¨é
¯ï¼PURï¼æ¿é²ç«ç级达å°B1级ï¼èæ°¨é
¯å¤å¢ä¿æ¸©é²ç«ç³»ç»è¾¾å°å½å®¶é²ç«æ åA级ï¼é«æ¸©ä¸ä¸çæ»´ï¼ä¸è½¯åï¼ä¸æ©æ£ç«ç°ç©¿éï¼ä»æ ¹æ¬ä¸è§£å³å¤ä¿æ¸©ç«ç¾çåçã
1ã硬质èæ°¨é
¯å¯¼çç³»æ°ä½ï¼çå·¥æ§è½å¥½ãå½ç¡¬è´¨èæ°¨é
¯å¯åº¦ä¸º35ï½40kg/m3æ¶ï¼å¯¼çç³»æ°ä»
为0.018~0.024w/ï¼mï¼kï¼ï¼çº¦ç¸å½äºEPSçä¸åï¼æ¯ç®åææä¿æ¸©ææä¸å¯¼çç³»æ°æä½çã
2ã硬质èæ°¨é
¯å
·æé²æ½®ãé²æ°´æ§è½ã硬质èæ°¨é
¯çéåçå¨90%以ä¸ï¼å±äºææ°´æ§ææï¼ä¸ä¼å å¸æ½®å¢å¤§å¯¼çç³»æ°ï¼å¢é¢ä¹ä¸ä¼æ¸æ°´ã
温馨提示:答案为网友推荐,仅供参考