Crossties and Switch Ties with Copper Naphthenate

Conrad Forest Products

QNAP is an 8% oil-borne copper naphthenate solution.

It is an EPA-registered, non-restricted use/general use preservative also adopted as standard for use by the AWPA (P36). The product is created from recycled copper and by-products of oil refining – making it green from the start.

QNAP has performance equal to all other oil-borne/oil type preservatives. Use of QNAP requires no special equipment. Wood treated with QNAP is non-hazardous waste, which allows for recycling or energy recovery.

QNAP Provides These Benefits to the Railroad Industry:

  • AWPA U1-11 Section 6C Standards & P36
  • Non-Conductive/Non-Corrosive
  • Efficacy Equal to Other Oil-Borne/Oil Type Preservatives
  • Less Drippage/Bleeding in Commercial Experience
  • Cleaner Handling Characteristics
  • Allows Recycling and Energy Recovery
  • Same Lubricating Properties as Other Oil-Borne Preservatives
  • Compatible with Cellutreat Borate Pretreatment
  • Cost Effective, Non-Restricted Use Pesticide

Environmental Comparison Report
Read the Comparison of QNAP to Penta


Minimum Retention for Rairoad Ties in lb/cu ft of Cu

AWPA Oak and Hickory All Others
UC 4A,4B,4C 0.055 or refusal 0.06

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