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Epoxy resin 607 A/B
A, Purpose and Explanation
Epoxy resin 607 ab series such as neutral soft glue of two part epoxy resin, good flowing property, natural defoaming, high transparency, good toughness and room temperature or heating curing softness is good, good surface, it is mainly used for the LED potting, signs, nameplate, the surface encapsulation of the badge or transparent perfusion of electronic components.

B,The properties before hardening
The main agent607A Curing agent607B
Color: Colorless transparent Colorless transparent
Specific gravity: 1.15 1.15
Viscosity25℃: 150-400CPS 100MAXCPS

C,Conditions of usage
1)Mixing ratio: A: B = 100:33 (weight ratio)
2)Hardening conditions: 25 ℃ - 13×10 h h or 55 ℃×2 h (2 g)
3)Usable time: 25℃×45min

D,The matters needing attention in using
1.Working environment: The container of holding glue please keep clean, A and B part should be in accordance with the weight ratio, weigh accurately , mix fully along the container wall by clockwise and use after 3 to 5 minutes .
2.According to the operational time and dosage of mixing rubber, avoid wasting. When the temperature below 15 ℃, please put A glue to glue again after warm up to 30 ℃, easy to operate, (a glue will be thicken when low temperature ); Must be sealed lid after use, avoid product rejection caused by moisture absorption.
3.When the relative humidity is more than 85%, the curing surface easy to absorb moisture in the air, form a layer of white mist, so when the relative humidity is more than 85%, is not suitable for room temperature curing, s est to use the heat curing.

E,The properties after hardening
1）Withstand voltage KV/mm 38
2）Dielectric constant 1KHZ 3.7
3）Moisture absorption % 24 hours < 0.1
4）Flexural strength 　 　Kg/mm2 28
5）Volume resistivity 　 Ohm3 1x1015
6）Induced electric loss 　　 1KHZ 0.42
7）Compressive strength 　 　Kg/ mm2 8.4
8）Impact strength Kg/ cm/cm2 6.8
9）Surface resistance Ohmm2 5X1015

The above performance data is typical data measured by the laboratory environment under the condition of the temperature of 25 ℃,the humidity of 70%. For customer's reference only.