樂泰 438平板電腦/筆記本ipad專用膠水，樂泰膠水
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樂泰® 438™ is a rubber toughened adhesive with increased flexibility and peel strength along with enhanced resistance to shock. The product provides rapid bonding on a wide range of materials, including metals, plastics and elastomers, as well as porous and absorbent materials like wood, paper, leather and fabric. TYPICAL PROPERTIES OF UNCURED MATERIAL Specific Gravity @ 25 °C 1.1 Flash Point - See MSDS Viscosity, Cone & Plate, mPa•s (cP): Temperature: 25 °C, Shear Rate: 1,000 s -1 100 to 250LMS TYPICAL CURING PERFORMANCE Under normal conditions, the atmospheric moisture initiates the curing process. Although full functional strength is developed in a relatively short time, curing continues for at least 24 hours before full chemical/solvent resistance is developed. Cure Speed vs. Substrate The rate of cure will depend on the substrate used. The table below shows the fixture time achieved on different materials at 22 °C / 50 % relative humidity. This is defined as the time to develop a shear strength of 0.1 N/mm2. Fixture Time, seconds: Steel (degreased) 30 to 45 Aluminum (Isopropanol wiped) ≤60LMS Zinc dichromate 105 to 120 Neoprene 30 to 45 Rubber, nitrile
樂泰®438™是一種橡膠增韌粘合劑，具有增強的柔韌性和剝離強度以及增強的抗沖擊性能。該產(chǎn)品在各種材料（包括金屬，塑料和彈性體）以及多孔和吸收材料（如木材，紙張，皮革和織物）上提供快速粘合。固化材料的典型特性25°C時的比重1.1閃點 - 參見MSDS粘度，錐和板，mPa•s（cP）：溫度：25°C，剪切速率：1,000 s -1 100至250LMS典型固化性能正常情況下，大氣中的水分開始固化過程。盡管在相對較短的時間內(nèi)開發(fā)了全功能強度，但在全面的化學/耐溶劑性開發(fā)之前，固化持續(xù)至少24小時。固化速度與基材固化速率將取決于所使用的基材。下表顯示了在22°C / 50％相對濕度的不同材料上實現(xiàn)的固化時間。這被定義為開發(fā)剪切強度為0.1N / mm 2的時間。夾具時間，秒：鋼（脫脂）30〜45鋁（異丙醇擦拭）≤60LMS重鉻酸鋅105〜120氯丁橡膠30〜45橡膠，腈 |
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