CRL Black 1-1/2" Open Cell Backer Rod - 200 Foot Roll Sealant Accessories Low volatility formula makes it

Low volatility formula makes it acceptable for OEM requirements for safe usage on automotive oxygen sensing devices

Large Soft Grip Handle

Application in poorly ventilated areas which are not exposed to UV light may lead to yellowing this can also occur when in contact with chemical fumes as surfactants

Should not be used for the following applications: Structural glazing applications

window frame perimeters

CRL Black 1-1/2" Open Cell Backer Rod - 200 Foot Roll Sealant Accessories Low volatility formula makes itOpen Cell, No Skin, Non Gassing Rod is Compatible With All Cold Applied Sealants Controls Depth of Sealant and Acts as a Bond Breaker Soft, Compresses Easily CRL Open Cell Backer Rod is a soft, round, and easily compressible open cell polyurethane foam. Open Cell Backer Rod is not adversely affected by dynamic joint movement, and its inherent flexibility applies itself to joint variations very easily. It is ideal for use in situations where joint