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BT-903 Encapsulating Adhesive

AB adhesive is a two-component curing epoxy resin adhesive that meets the requirements of low halogen content of less than 900 ppm total chlorine content and less than 1500 ppm total halogen content. It has the characteristics of excellent heat resistance, strong water resistance, good insulation, low stress, and good adhesion. It is universally suitable for bonding materials such as ceramics, metals and plastics.

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0769-22710188
徐小姐：13712980628 / 张先生：13713357162

Details
Application

Material properties before curing

Inspect the item	A	B
Paint appearance	Clear liquid	Brownish-yellow liquid
Key Ingredients:	Modified epoxy	Modified amine
Viscosity mPa.s (2rpm 25°C)	15000±5000	30000±5000
Viscosity after mixing	20000±5000

How to use:

1. The two components of AB are directly mixed and glued evenly for bonding.

2. Curing conditions: 120°C×60 minutes, 140°C×30 minutes

Due to the different sizes of the bonded objects or whether the oven has ventilation conditions will cause different curing degrees, it is necessary to confirm whether the curing conditions used can meet the design requirements before batch use.

Material curing properties (room temperature °C× 24 hours)

project	Detection method	unit	Numerical values
Color	Visual inspection		Yellow or brownish-yellow transparent solid
Hardness (25°C)	GB/T 2411-2008	Shaw D	65±5
Breakdown voltage	GB/T 1695-2005	kV/mm	>18
Glass temperature	DSC	℃	100±10
Linear expansion coefficient (below Tg)	TMA	/℃	55×10-6
Linear expansion coefficient (above Tg)	TMA	/℃	131×10-6
Shear strength (aluminum/aluminum)	GB/T 6329-1996	MPa	22
Volumetric resistivity (500V/25°C)	GB/T 1410-2006	W.cm	3×1015

Shear strength at different temperatures (aluminum/aluminum)

temperature	Shear strength/MPa
25℃	25
60℃	21
100℃	7
120℃	5

Storage

A. When the ambient temperature is 4~10°C, the quality assurance period: 6 months; Seal and store in a dark place.

B. Trade-offs are determined after re-testing products more than 6 months from the date of manufacture.

Disclaimer:

This technical data is typical data tested under specific conditions, not a specification acknowledgment, and is for reference only. Please refer to the measured data when using it.