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1.electrode paste properties

item sealing paste standard electrode paste chemical electrode paste
1# 2# 1# 2# 3#
ashnot over
%,
4.0 6.0 7.0 9.0 11.0 11.0
valotile  not over
%
12.0~15.5 12.0~15.5 9.5~13.5 11.5~15.5 11.5~15.5 11.5~15.5
flexural strength not below
mpa
18.0 17.0 22.0 21.0 20.5 18.0
resistivity not over
μω·m
65 75 80 85 90 90
bulk density not below
g/cm3
1.38 1.38 1.38 1.38 1.38 1.38
extension rate
%
5~20 5~20 5~30 5~20 15~40 5~25
remarks:
1. extension rate is a reference data 2. according to yb/t5215-1996. 

2.big gap sealing paste property

item unit property
ash not over % 8
volatile not over % 12
modulus of compression not below mpa 14.7
remarks:1. according to standard yb2807-91

3.carbon mortar property

item unit property
ash not over % 10
volatile not over % 39
moisutre not over % 1.0
carbon content not below % 50
gap sealing stress test, not over mm 1.0
binding strength not below mpa 8

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