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用于電子元器件或其它的小型部件粘接在印刷電路板上的貼片紅膠

品牌 勝泰 樹脂膠分類 環氧樹脂
型號 t-5843 粘合材料 電子元件

t-5843                                technical data sheet

one component epoxy surface mount adhesive

單組分環氧樹脂貼片膠

 

product description產品介紹

t-5843surface mount adhesive is formulated to bond electrical devices or other small parts to printed circuit boards before wave soldering by syringe dispense method. it has following features.t-5843   貼片膠用于注射器分配法的波峰焊之前將電子元器件或其它的小型部件粘接在印刷電路板上.它具有以下特性.

l        high dispense speed高分配速度

l        excellent green/wet strength極佳的未固化/濕強度

l        high dot profile高的點輪廓

l        good electrical properties好的電學性能

l        lead free application無鉛化應用

 

properties of uncured material固化前材料性能

property

性能

test method

測試方法

t-5843

color/appearance顏色/外觀

visual

viscous red gel粘稠紅色凝膠

specific gravity密度, g/cc,

astm d-792

1.2

viscosity粘度,cone & plate, pa.s

astm d-2393

~126(25°c);~115(30°c);

~100 (35°c)

yield strength屈服強度,cone & plate, pa, 25°c

 

150-250

 

typical properties of cured material固化后材料典型物理性能

property

性能

test method 

測試方法

value      

數值

coefficient of thermal expansion熱膨脹系數, cte

astm d696

100 e-06

thermal conductivity熱導率, w/m-k

astm c177

0.32

glass transition temperature玻璃化轉變溫度, tg,°c

astm d4065

115

lap shear strength搭接剪切強度, steel鋼, mpa

 

> 16

torque strength扭轉強度, fr4 pcb, n.mm

 

62

pull off strength拉離強度, fr4 pcb, n

 

55

volume resistivity體電阻系數, ohms-cm

astm d-257

1.5 e+15

surface resistivity表面電阻系數, ohms

astm d-257

50 e+15

dielectric constant電介質常數

astm d150

2.9(1 khz), 2.8(10 khz)

hot solder dip @260°c熱浸焊@260°c

 

pass通過

resistance to lead-free solder無鉛焊接劑的抵抗性

alcohol / water based flux,260°cdual wave水/酒精基焊劑,260°c雙波峰焊接

no component loss in the wave在波峰焊中無成分損失

surface insulation resistance, reliability/electrical bias表面絕緣抵抗性,可靠性/電偏壓

85°c/ 85% rh, 1000 hours85°c/ 85%相對濕度,1000小時

pass通過

 

 

directions for use使用方法

typical curing condition典型固化條件:                90 ~ 120 secondsat 150 ºc在150 ºc下保持90 ~ 120秒

 

curing starts above 100 ºc, with a dsc conversion of 90%, 4 min. at 125 ºc, 10min. at100ºc固化開始于100 ºc以上,在125 ºc保溫4分鐘,在100 ºc保溫10分鐘,熱轉換為90%.

 

cleaning清除

uncured adhesive can be easily removed from printed circuit boards using isopropyl alcohol(ipa) or mek.未固化膠粘劑可被輕易從印刷電路板上用異丙醇或丁酮清除

 

storageinformation保存方法

在5 ºc下密封干燥儲存,保質期為6個月