K.Ann
We made new samples with new material.
The sample can pass the flame test Johoku asked.(as the attachment) Please prepare below samples(made by new sample) for Johoku(Mr.Sofue will come to TWF on 15th/July afternoon).
HVSF 0.14QMM black 10m*2
HVSF 0.30SQMM black 10m*2
HVSF 0.50SQMM black 10m*2
HVSF 0.75SQMM black 10m*