LA26美國LA26測試膠帶
【簡單介紹】
【詳細(xì)說明】
供應(yīng)LA26膠帶是美國ASTM作為P-99為D3359-08附著力測試替換產(chǎn)品,型號:LA-26 基材:pet 厚度 0.15mm 寬度 25.4mm(mm) 顏色 米白色(黃) 適用范圍 測試(高粘力的拼接)、保護(hù)、密封、包裝等。 AmericanPermacelP-99 alternative Tape Polyester/rope fiber laminate; offers bulk and stiffness;hand tears for tabbing, holding & wrapping Intertape LA-26 Polyester/Rope-Fiber Laminate Tape combines the moisture, chemical, abrasion and puncture resistance of polyester film with the machine direction strength and dimensional stability of rope-fiber paper backing, this pressure sensitive adhesive is designed for use in high temperature conditions. It is ideal for tabbing, holding and wrapping, masking PCB gold fingers during wave solder and HAL operations. It can also be used for "powder coat" masking. It is also currently being considered as a replacement to Permacel P-99 for ASTM D3359-08adhesion testing. Physical CharacteristicsROLL SIZETensileAdhesionThicknessElongation1 in. x 60yds.lb/inN/25mmoz/inN/25mmmilsmm% 25mm x 55m45.0197.060.016.76.00.152.0 百格測試步驟:? 用刀口寬約10mm~12mm的百格刀在測試樣本表面劃10×10(100個(gè)) 的正方形小網(wǎng)格,以1mm~1.2mm為間隔,每一條劃線應(yīng)深及油漆的底層;? 用毛刷將測試區(qū)域的碎片刷干凈;? 用P-99膠帶或等同效力的膠紙牢牢粘住被測試的小網(wǎng)格,并用橡皮擦用力擦拭膠帶以加大膠帶與被測區(qū)域的接觸面積及力度;? 用手抓住膠帶一端,在垂直方向(90°)迅速扯下膠紙,同一位置進(jìn)行2次相同試驗(yàn)。結(jié)果判定: 手機(jī)客戶要求附著力≥4B為合格。實(shí)驗(yàn)等級:? ISO等級:0 =ASTM等級:5B (切口邊緣*光滑,格子邊緣沒有任何剝落)? ISO等級:1 =ASTM等級:4B (在切口的相交處有小片剝落,劃格區(qū)內(nèi)實(shí)際破損≤5% )? ISO等級:2 =ASTM等級:3B (切口的邊緣和/或相交處有被剝落,其面積大于5%~15% )? ISO等級:3 =ASTM等級:2B (沿切口邊緣有部分剝落或整大片剝落,或部分格子被整片剝落。剝落的面積超過15%~35% )? ISO等級:4 =ASTM等級:1B (切口邊緣大片剝落/或者一些方格部分部分或全部剝落,其面積大于劃格區(qū)的35%~65% )? ISO等級:5 =ASTM等級:0B(在劃線的邊緣及交叉點(diǎn)處有成片的油漆脫落,且脫落總面積大于65%)。 *代理美國IPG測試膠帶LA26。
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