loctite 3703 TDS

11年2月13日 9:57 | anndi | 1

今日有人提到loctite 3703的替代品问题，据说是用于四角邦定用途的。翻墙下载了一份TDS技术资料来学习了一下。

从资料显示此款产品是Acrylated urethane聚氨酯丙烯酸酯类型的，可由紫外线及可见光进行固化，尤其适用于软硬PVC和polycarbonate的粘接，资料显示此产品具有一定的触变性，但没有标识触变指数是多少。从资料显示并没有专门用于四角邦定，我印象中乐泰用于四角邦定的胶是另外几个型号，有些还是热固化的而不是紫外线固化的。

下面摘录一些数据如下：

PRODUCT DESCRIPTION

LOCTITE® 3703™ provides the following product characteristics:

Technology Acrylic

Chemical Type Acrylated urethane

Appearance (uncured) Bone-white to beige translucent pasteLMS

Components One component – requires no mixing

Viscosity Medium, thixotropic

Cure Ultraviolet (UV)/ visible light

Cure Benefit Production – high speed curing

Application Bonding

LOCTITE® 3703™ is primarily designed for bonding rigid and flexible PVC to polycarbonate where large gap filling capabilities (0.25mm) and a flexible joint are desired. Its flexibility enhances the load bearing and shock absorbing characteristics of the bond area. The product has shown excellent adhesion to a wide variety of substrates including glass, many plastics and most metals. The thixotropic nature of LOCTITE® 3703™ reduces the migration of liquid product after application to the substrate.

TYPICAL PROPERTIES OF UNCURED MATERIAL

Specific Gravity @ 25 °C 1.12

Viscosity, Brookfield – HBT, 25 °C, mPa·s (cP):

Spindle TB, speed 10 rpm, Helipath 18,000 to 35,000LMS

……

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