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Teknos
Hensotherm 421 Ks
About the product
HENSOTHERM 421 KS is a water-borne intumescent coating for indoor use, which reacts under the influence of heat by swelling to many times of its orginal thickness and producing a layer of carbonaceous foam
that acts as an insulating layer to delay the steel from reaching its critical temperature.
Possible fire resistance rates are R15 - R150 for open steel profiles and R15 - R180 for closed steel profiles. Approved according to EN 13501-2, ETA No 16/0251, with CE markings applied according to 93/68/EWG.
Remove from the surfaces any contaminants that might be detrimental to surface preparation and painting. Remove also water-soluble salts by using appropriate methods. HENSOTHERM 421 KS is designed to be applied over suitable prepared and primed steel substrate. Steel preparation by blast-cleaning to grade Sa 2½ (ISO 8501-1). Suitable primers are epoxy primers TEKNOPOX PRIMER 4, TEKNOPLAST PRIMER 5, TEKNOPLAST PRIMER 7, INERTA PRIMER 5, water-borne epoxy primer TEKNOPOX AQUA PRIMER 3, alkyd primer TEKNOLAC PRIMER 0168-00 and water-borne acrylic primer KORRO AQUA 2741. The suitability of surfaces painted with other paint types must be evaluated separately
See more in TDS
Hensel Hensotherm 421 Ks
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Stock: Delivery 4-5 working days• Order item
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Item no.: 2586571
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Unit: 25 KG
Safety and enviroment
H sentences
- H310: Fatal in contact with skin.
- H330: Fatal if inhaled.
- H315: Causes skin irritation.
- H410: Very toxic to aquatic life with long lasting effects.
- H335: May cause respiratory irritation.
- H319: Causes serious eye irritation.
- H314: Causes severe skin burns and eye damage.
- H400: Very toxic to aquatic life.
- H302: Harmful if swallowed.
- H318: Causes serious eye damage.
- H301: Toxic if swallowed.
- H361: Suspected of damaging fertility or the unborn child <state specific effect if known> <state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard>.
- H317: May cause an allergic skin reaction.
- H312: Harmful in contact with skin.
P phrases
- P308: IF exposed or concerned:
- P501: Dispose of contents/container to...
- P308 + P313: IF exposed or concerned: Get medical advice/attention.
- P280: Wear protective gloves/protective clothing/eye protection/face protection.
- P313: Get medical advice/attention.
- P201: Obtain special instructions before use.