毛氈
尺寸 Size |
mm |
≥2mm,圖紙有要求時按照圖紙要求執(zhí)行 When There Are Requirements On The Drawing, Follow The Drawing Requirements |
發(fā)泡實驗 Foam Experiment |
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毛氈不能與發(fā)泡料產(chǎn)生反應(yīng),不能結(jié)塊 Felt Cannot React With Foam Material And Cannot Clump Together |
毛氈不能結(jié)塊,應(yīng)具有絲狀纖維 Felt Should Not Clump And Should Have Filamentous Fibers |
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觀察泡料上粘貼痕跡,粘貼面積應(yīng)大于80%Observe the adhesive Marks On The Foam Material, And The Adhesive Area Should Be Greater Than 80% |
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克重 Grammage |
g/m2 |
≥180 |
拉伸強度 Tensile Strength |
MPa |
≥1.0 |
斷裂伸長率 Elongation At Break |
% |
≥80%,圖紙有要求時按圖紙要求執(zhí)行 When There Are Requirements On The Drawing, Follow The Drawing Requirements |
隔離紙克重 Weight Of Isolation Paper |
g/㎡ |
材質(zhì)為淋膜牛皮紙,重量≥75;材質(zhì)為綿紙,重量≥30g/㎡。圖紙有要求時按圖紙要求執(zhí)行 The Material Is Coated Kraft Paper, With A Weight Of ≥ 75; The Material Is Cotton Paper, With A Weight Of ≥ 30g/㎡ . When There Are Requirements On The Drawing, Follow The Drawing Requirements |
環(huán)戊烷熏蒸 Cyclopentane Fumigation |
h |
將毛氈置于裝有環(huán)戊烷的燒杯上24h,觀察有無腐蝕 Place The Felt On a Beaker Containing Cyclopentane For 24 Hours And Observe For Corrosion |