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KOSTER NB 1 Grey: Approved for use in drinking water environments

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  KOSTER NB 1 Grey has been approved for use in drinking water environments according to NSF /ANSI 61. The certification applies to contact with cold water in tanks 2000 gal or larger.

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New AIA Course Approval: Resinous Floor Coating Systems

KOSTER Resinous Floor Coating Systems course

is approved by the AIA.

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Featured Product


KOSTER IN 1 is a polyurethane prepolymer used with 10% catalyst. The system is single component, meaning it reacts when coming into contact with water and forms spontaneously a solid waterproof polyurethane foam. KOSTER IN 1 is solvent and filler-free, resistant to hydrolysis and is suitable for use in potable water areas. When the mixed material comes into contact with water it reacts to form a fine-pored, closed cell foam, stopping and displacing the water.



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