产品品牌美国陶氏
产品产地
产品型号DOWSIL™ 838 Silicone Adhesive Sealant
包装规格
陶氏DOW有机硅密封胶DOWSIL™ 838 Silicone Adhesive Sealant
单组分,白色,湿固化RTV,不流动,通用,UL。One-part, white, moisture cure RTV, non-flowing, general purpose, UL.
陶氏DOWDOWSIL™838有机硅粘合密封胶参数
颜色:白色
100Hz下的介电常数:2.64
100kHz下的介电常数:2.63
介电强度:500伏/密耳/密耳
在100Hz下的耗散因子:< 0.001
耗散因子在100 kHz:0.001
硬度计 - 邵氏A:28邵氏A
伸长率:430%
疏水性:√
线性CTE:380 um / m / Deg C
不可流动:√
室温固化 - 小时:48小时
剪切:140 psi
[ 123]保质期:720天比重@ 25C:1.02
无粘性时间-50%RH:45分钟
温度范围:-45至200度C
抗拉强度:230 psi
体积电阻率:2.2e + 015 ohm-centimeters
耐水性:√
对铝的附着力:√[ 123]
对陶瓷的附着力:√
对FR4的附着力:√
对金属的附着力:√
对塑料的附着力:√
烷氧基固化:√[123 ]
陶瓷:√冷凝固化:√
高温稳定:√
低温稳定:√
甲氧基固化:√[
非坍落度:√
单部分:√
抗氧化性:√
耐臭氧性:√
塑料:√
聚酯:√
无底漆附着力:√
无溶剂:√
热阻:√
热固性:√
触变性:√
抗紫外线:√
耐水性:√
Color:White
Dielectric Constant at 100 Hz:2.64
Dielectric Constant at 100 kHz:2.63
Dielectric Strength:500 volts per milv/mil
Dissipation Factor at 100 Hz:< 0.001
Dissipation Factor at 100 kHz:0.001
Durometer - Shore A:28 Shore A
Elongation:430 %
Hydrophobic:√
Linear CTE:380 um/m/Deg C
Nonflowable:√
Room Temperature Cure - Hours:48 Hours
Shear:140 psi
Shelf Life:720 Days
Specific Gravity @ 25C:1.02
Tack-Free Time-50% RH:45 Minutes
Temperature Range:-45 to 200 Deg C
Tensile Strength:230 psi
Volume Resistivity:2.2e+015 ohm-centimeters
Water Resistant:√
Adhesion to Aluminum:√
Adhesion to Ceramic:√
Adhesion to FR4:√
Adhesion to Metal:√
Adhesion to Plastic:√
Alkoxy Cure:√
Ceramics:√
Condensation Cure:√
High Temperature Stable:√
Low Temperature Stable:√
Methoxy Cure:√
Non-Slump:√
One-Part:√
Oxidation Resistance:√
Ozone Resistance:√
Plastics:√
Polyesters:√
rless Adhesion:√
Solventless:√
Thermal Resistance:√
Thermosetting:√
Thixotropic:√
UV Resistance:√
Water Resistance:√