3M 94215
描述信息
300万的双涂层带3M 420的胶粘带是一种高粘度的薄膜带，具有尺寸稳定性的聚酯膜载体，并能更好地处理模切和层压高粘度的丙烯酸3M胶粘剂420提供了在广泛的温度范围内的高性能和极好的粘附在许多塑料
技术性能
颜色Color
Clear
胶带离型层外观Tape Liner appearance
Tan
胶带离型层Tape Liner Material
58#Polycoated Kraft
压敏胶带体系Pressure-sensitive tape system
Acrylic
胶带基材外观Tape Carrier appearance
clear
胶带基材Tape Carrier Type
polyester
材料厚度(不含离型层)Thickness(without Liner)
0.15 mm
绝缘强度/介电强度Dielectric Strength
900 V/mil
击穿电压Electrical breakdown
5500 V
胶系adhesive Series
420
条件Conduction
长期高 温
工作温度Operating/Working Temperature
250 ℉ ℉
基材Substrate
ss
剥离力Tape 180°Peel
44 ozf/in ozf/in
测试温度Test temperature
23 ℃ ℃
放置时间Dwell Time
15 min min
放置温度Dwell temperature
23 ℃ ℃
测试背材Test Backing
2 mil Al foil
层类型Layer Type
Adhesion
层描述Layer description
Faceside,acrylic
厚度Thickness
0.069 mm mm
负重weight
1000 g g
基材substrate
sus
保持时间Hold time
10000 min min
保持温度Hold temperature
23 ℃ ℃
粘接面积area
1 in^2 in^2
项目Item
U.V. Resistance
结果Result
Adhesive is resistant to oxidation and ozone when exposed to air or ultraviolet light.When properly applied, nameplates and decorative trim parts are not adversely affected by exposure.
项目Item
Chemical Resistance
结果Result
hold securely
存储条件Storage
Store in original cartons at 70°F (21°C) and 50% relative humidit
有效期Shelf life
2 Year Year
结果Result
Immersion in water has no appreciable effect on the bond strength. After 100 hours at room temperature, the high bond strength is maintained.
项目Item
Water Resistance
测试项目Item
Humidity Resistance
结论result
High humidity has minimal effect on adhesive performance. No significant reduction in bond strength is observed after exposure for 7 days at 90�F (32�C) and 90% relative humidity.No adverse effect on the bond after exposed to 100% relative humidity at 100�F (38�C).
结论result
High bond strength is maintained after cycling four times through
项目Item
Temperature Cycling Resistance
产品的聚酯载体提供尺寸稳定性和改进
与胶粘转移胶粘带相比，模具切割和压片处理容易
3 m™胶粘剂420提供良好的温度和耐化学性和经受艰难的应用程序环境