Tempat asal
Guangdong, China
Klasifikasi
General Reagents
Nama lain
humidity indicators
Product name
China Supplier Cobalt free Humidity Indicator Cards
Shape
paper, card, label, sheet
Dots
single dot to 10 dots
Type
with cobalt or wthout cobalt
Package
250 pcs per can, 3000 pcs per carton
Color indicating
blue to pink or brown to green