Specification Brand : CRL BulletPoint1 : Versatile Compatibility: Suitable for various sealants like silicone, butyl, polyurethane, and polysulfide BulletPoint2 : Durable Construction: Made of 90 durometer shore hardness thermoplastic rubber for long-lasting performance BulletPoint3 : UV Stabilized: Resistant to sun damage, ensuring longevity in outdoor applications BulletPoint4 : Chemical Resistant: Won't mar or stain surfaces, maintaining the integrity of your project BulletPoint5 : Popular Size: Available in the most common sizes of neoprene blocks for wide usability Color : black CompatibleMaterial : Rubber CustomerPackageType : Standard Packaging GpsrSafetyAttestation : 1 ItemForm1 : Paste ItemForm2 : Liquid ItemName : CRL 1/4" x 1/2" x 2" Thermoplastic Rubber Setting Blocks - 100 Pack ItemPackageDimensions_Height : 16.891 centimeters ItemPackageDimensions_Length : 15.7988 centimeters ItemPackageDimensions_Width : 16.4084 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : weather-stripping Manufacturer : CR Laurence ModelNumber : TPR563 PartNumber : TPR563 ProductDescription : Compatible With Silicone, Butyl, Polyurethane, and Polysulfide Sealants UV Stabilized CRL Thermoplastic Rubber (TPR) Setting Blocks are compatible with almost anything, meaning you can use them in designs calling for the use of modern structural glazing sealants. They are formed of a 90 durometer shore hardness thermoplastic rubber that performs as well as traditional neoprene setting blocks. They are available in the most popular sizes of neoprene blocks. They have excellent chemical resistance, and do not mar or stain surfaces. Job specific testing prior to start up is recommended with each silicone sealant manufacturer. ProductSiteLaunchDate : 2008-09-13T04:42:18-00:00 SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 31201700 WaterResistanceLevel : not_water_resistant