Cobalt Free Humidity Indicator Cards -4 spot 10%,20%,30% and 40%. changes colour in contact with moisture. 100 cards per tin, Meets requirements of IPC/JEDEC J -STD-033B .
Tin needs to be kept tightly sealed. Remove -humidity indicator cards- only when ready to use and reclose can immediatly after removing the card. The 40% spot on the moisture indicator card should be blue when the can is first opened.
£35.00 per tin . discounts for larger quantities.
Listed in the YFS business directory in the Packaging Materials Swindon category
