3MVHB泡棉膠帶 3M#20KR泡棉膠由3M公司產品  此產品用來取代3M4920

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3M#20KR是3M雙面膠中一款VHB基材雙面膠

3M膠帶產品特點：

 3M#20KR雙面膠是3M雙面膠中的一款VHB基材雙面膠，基材為聚氨酯泡棉，膠粘劑類型為A-20（是一種高強度丙烯酸壓敏膠），厚度為0.4MM，顏色為白色，具有超強的粘性，抗紫外線、耐溶濟性好，還具有具有柔軟、貼服性好特性，具有高拉伸力，剪切強度，耐高溫，粘接強度可隨自然老化大大加強；離型紙為綠色格紋離型紙，可以用于取代螺釘、柳釘、點焊等傳統固定方法，用雙面膠帶固定能使產品表面更為光滑、美觀、操作更加簡單、密封性更好、效果更為持久、拆裝十分方便。粘接強度隨膠粘劑與被粘表面接觸面積的增大而增加，施加穩定的壓力有助于膠粘劑與被粘表面的接觸，從而加大粘接強度。   3M#20KR要達到的粘接效果，粘接表面必須是潔凈、干燥的，膠帶應用的溫度范圍是21-38℃,建議若初始粘接溫度低于10℃時，不適于粘接，因此時的膠粘劑太硬，而無法牢固的粘接在物體上；但是，如果已經粘接上了，低溫下的持粘力同樣是令人滿意的。   3M#20KR雙面膠在環保方面符合ROHS法規要求，適用于室內粘接，如果用于室外粘接時，膠帶應得到保護，使之不受環境影響；適用于一般輕質材料的安裝和連接，如安裝空氣清新器、給皂液器等，可以取代螺釘、柳釘等傳統固定方法，從而提高產品美觀度。

3M膠帶產品結構：

3M膠帶產品規格物性：

溫度別剪斷接著力

正確使用3M膠帶的方法【注意事項】：

1.粘結強度取決于粘合劑對表面的接觸量。企業應用時的壓力有助于開發更好的粘接效果，提高粘結強度。 2.欲達粘結效果，粘結表面必須清潔與干燥，膠帶粘合粘結表面時，請以滾筒平均施壓2.0kg/cm2以上的壓力，壓合時間3-5秒，使其有效粘合后，放置時間24h以上，方可達到粘結效果。 3.理想的膠帶應用溫度范圍為70°F至100°F（21°C至38°C）。初始 膠帶施加到表面上，在溫度低于50°F（10℃），不推薦。因為粘合劑變得過于牢固。然而，一旦正確應用，低溫保持基本令人滿意。 4.儲存條件及使用環境：溫度15-28℃，濕度為40%-70%。

3M膠帶,3M410,415,444,465,3M 467MP,468MP,469,665,666,920XL,924,926,927, 950,966,969,471,500,
3M測試膠帶 610,810,3M 600,3M665,3M610;3M810,3M850,850B,3M 851,3M853,3M4981,3M 8333,3M 8401,3M 8402,3M 8411,3M8901,3M8902,3M8952
3M拼接膠帶UHMW-PE, 3M 5421,3M5423,3M5425,5430, PTFE 3M5451,3M5453;3M5461,3M5491,3M5480;
3M腳墊,SJ5302,5312,SJ5816,SJ5608,
3M粘扣帶SJ3562,SJ3527,SJ3440,SJ3441,sJ3540,3541,SJ3550,sj3551,
3M雙面泡綿膠帶4004,3M4008,3M4016,3M 4026,3M 4032,CIP66,4052;4085,3M4416,3M4432,3M 1600T;
3M VHB膠帶,4905,4910,3M4920,4921,3M4926,4929,3M4930,3M4932,4936, 3M4941, 3M4914,3M 4945,4949,3M4950,3M4951,3M4952,4955,4959,4962,4965,4974, 4951,3M4210,3M5608,3M5612,CP5008,,3M5314, 5392,4604,3M4608,3M4611,4615,4630,4609,4627, 3M5925,4008,4032,4026,4016,3M5952,4979,4993,5408,5552,3M5962,3M RP32,3M RP45,49523M9460,3M9469,3M9473,
3M雙面膠帶模切 ，透明VHB 3M 4905,3M 4910;
3M幕墻雙面膠帶G23F,G23B,4972,
3M導電膠帶，3M7303,7951MP,7953MP,7979, 9703,3M9709 ,
3M無基材雙面膠帶,9045MP,9056,9057,9059,9185MP,9415,9420,9425,9429, 9449,9458,9459W,F9460PC,9461,9462,9465,9469,9471, 3M9500PC,
3M轉移膠膜55235,55230,6408,9080,3M9080A,9448HK,3M9448A,3M9485PC,3M9495MP,9472,9473,9482,9485PC,9490LE,9495MP,9495B,9495LE,9500PC,9505,9552,9589,9665,9667,300LSE,9671LE,9672LE,9690,9690B,9692,9695,9703,9713,9731,9752,9755,9820,9828,9885,9890,9925XL,3M9725,3M9731;3M300LSE,3M 9471LE,3M 9472LE,3M9671LE,3M9672LE, 9475LE,9495LE,;7952MP,3M966,3M9461P,8008,3M 8018,8004,988T,55230,55231,55256,55257, 3M9119,55280,55258,cip66,cip60,cip-47,cip-36,cip-01,cip-02, #9795，#9795B，966, ST416P,9079,#9609,#7303,#7816,7818,#7881,
3M3M標簽,#7811,7812,7603,#3921,#3M 7810,#850,
PCB膠帶616,910,920, 3M5557 ,3M7815,3M7816;8402,8401,332T,5419,SuZhou DaTong,7413,8141,8142, 9448,9448B,3M55230,3M 55235,55256,8008,8018,8608,988T,9888t,9075,9070,6408;
電工膠帶 3M 1500,3M 1600,1700,3M1712，
防靜電膠帶 3M 40,42;
電氣膠帶 3M 11,3M54,3M56,3M 69,3M 92,98c-1,
3M導熱膠帶 3M8805,3M8810,8215,
3M汽車膠帶 4229P,4211,4210,4211,4215,4016,4615,4611,4609,5314,4124,CP5008,cp5012,4218,GT6008, CP5108,PT1100,PT1500,RT8016,
3M鋁箔膠帶 3M 425,427,3M363,#471,5702,#5421,5423,#5425,#5491, AL35FR,CN3190,
PTFE膠帶#5490,5480,5481,3M 60,61； 8952,#1020,#1115,#1040, 411,
3M3M保護膜2124C,2104C,#3K04,2K10,332, 331s,331T,336,361,375,371,373,401,411,415,420,
PU 3M 8591,3M8592,8671,8672,犀牛皮，
3M水溶性膠帶#900B,#9069,#3M9996J,#3M913,#906,9974,9979,900B,906,#9996,#9979, 3M R3227,3M r9996,
3M搭扣，3M蘑菇扣 3M SJ3551,3M sj3550, 3M sj4570, 3M sj3560, 3M sj3540, #SJ3526,3527,
封箱膠帶301,309,#3M371,#3M375,#3M373,
3M標識膠帶, 3M 471, 3M764，cip47，
3M斑馬膠帶：3M 5702,3M 766,
美紋紙膠帶 3M 200,3M2396,2090
紙膠帶:#3M232,#2307,2308,2309,200,3M 2214, 3M244,2444,#2364,3M 250，3M2142;
3M布基膠帶#3M6969,3939,3M3900,
Kapton3M高溫膠帶,7413T,3M 7413D,3M5413,7419,5419,2132,92,42,40,cip36,3M547,
硅膠帶,SMT用，
3M熱熔膠帶 3M 588,3M615,615s，3M 690，3M583;
3M纖維膠帶,#8898,#3M 898,3M893,3M 8915,
3M玻纖膠帶2517,336,8952,8402,950,8902,367FR, 369FR,
3M3M電氣膠帶，3M絕緣膠帶,5,3M 10,#11,27,40,42,#69,#60,#92,1350,1554,61,62,12,40,42,54,56,74,1298, 1318,79,90,94,44,46,1276,1312,1339,1170,1181,1194,1245,1345,1190,AL-35FR,
3M防水膠帶 77,23,3M2228,3M2517,2157,13,24,70,130C,2220,2229,2166,1500,1600,1712,1700,1750, 33+,35,88,22,66R,2000,22, #610,#600,810,811,#8915,#5413,#5451,
3M柔印膠帶3M1015,3M 1020,1120,1115,1040,1614,1640,1815,1820M,1915,1920M,
3M貼版膠帶 3M411DL,3M 414DL;3M1015,3M1020,3M244,3M583,3M425,SJ3550,SJ3551,3M 1181,1190,1205,3M 1245,1170,1281,1285,1290,3M1318,1345,3M 1350, 3M1280,200,2214,244,213,2310,214,232,2307,2308,2309,243J,217,236,241, 2517,250,
3M膠水DP100,DP420,190,2216,2214,125DP,DP190,CA40H,TE230,TE100,200, LC1110,2000NF,1357,5,10,4693,826,2262,4475,847,1300,4799,560, 847,2214,

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