
LLFA Humidity Indicators 8% / 40% RH – Cards and Stickers for Checking Desiccants
Reversible humidity indicators for checking the activity of desiccants (DIN 55473) and the humidity inside packaging: 8% RH cards, self-adhesive and round 40% RH, 3-point 5–15% RH.
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Paper humidity indicators with reversible colour change, for checking desiccants and the humidity inside packaging of metals, electronics etc.
- 8% RH: blue = dry, pink = humid; 60×35 mm; cobalt dichloride on paper (DIN 55473)
- 8% RH without cobalt chloride: purple = dry, yellow = humid; 60×35 mm; zinc chloride
- 40% RH self-adhesive: pink ↔ blue at 40% RH, 20×15 mm, sticks onto desiccant bags or inside packaging
- 40% RH self-adhesive, cobalt-free: purple ↔ yellow at 40% RH; the adhesive lasts approx. 1 year
- 40% RH round Ø 17 mm: for small inspection windows in packaging; blue below 40% RH, pink above
- 3-point 5–15% RH: no cobalt dichloride (cobalt dibromide on card), 53×37 mm – shows the remaining capacity of desiccants
Made to order · imported from abroad. This product is ordered from the manufacturer. The price already includes shipping; we confirm the delivery time by email before payment.
- You place the order online, without payment.
- We confirm prices, availability and shipping cost and send you the final amount.
- You pay by bank transfer and send the payment slip quoting the order number.
- Shipping by BOX NOW, ACS or freight carrier in Greece, FedEx or DHL abroad. You can see the tracking number in your account.
Public bodies follow their own procurement procedure. Request a quote.








