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7018A/B-ZR (flame retardant)

This product is a two-component liquid potting material and a room temperature curing epoxy resin. It has a series of characteristics such as fast curing speed at heating, excellent gloss of the cured product, good insulation, and good workmanship. It is widely used in capacitors and voltages. Insulation casting of small electronic components such as transformers, etc., the flame retardancy can reach 90-VO level.
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7018A/B-ZR (flame retardant) two-component black potting material

1. Instructions for use

This product is a two-component liquid potting material and a room temperature curing epoxy resin. It has a series of characteristics such as fast curing speed at heating, excellent gloss of the cured product, good insulation, and good workmanship. It is widely used in capacitors and voltages. Insulation casting of small electronic components such as transformers, etc., the flame retardancy can reach 90-VO level.

2. Properties before hardening

  main agent7018A-ZR Hardener7018B-ZR
color black liquid dark brown liquid
Viscosity40℃(mpa.s)  1.2×102 30
density20℃(g/cm3  1.7~1.8  1.1~1.15

 

3. How to use

A/B components are accurately weighed according to the proportioning standard, and used after fully stirring. If it is used in large-scale casting profiles, it can be completed by pouring glue several times.

Inventory conditions: placed in a cool and dark place, it can be stored for half a year.

4. Conditions of use

 

mixing ratio A:B=100:20weight ratio
gel time 25℃×5Hour
Available time  25℃×3小时  Mixed amount100g
hardening condition 25℃×48hours or80℃×4 hours medium temperature curing

 

5. Properties after hardening

 

Volume resistance25℃        Ohm.Cm 1.2×1015
surface resistance25℃        Ohm   1.3×1014
Withstand voltage25℃         KV/mm2 16~19
Compressive strength25℃       Kg/mm2 20~23
Bending strength           Kg/mm2  9~11
Impact strength         Kg/cm/mm2  6~9
Yuden rate  1Khz 3.8
 Yuden loss    
1Khz   0.02
Heat distortion temperature  90-100 
hardness Shored   80-85
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