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Pecora P-150 Primer will help prevent deteri- oration of porous masonry surfaces which are weak and friable by sealing, leveling and binding the surface to allow better adhesion of the sealant.

Product Type: 1K (1 component) Coating, Primer

Compatible Substrates & Surfaces: Concrete

Features: Excellent Substrate Adhesion, Good Non-Yellowing Properties

Application Method: Brush, Roller

    Knowde Enhanced TDS

    Identification & Functionality

    Features & Benefits

    Applications & Uses

    Application Method
    Compatible Substrates & Surfaces
    Basic Uses

    Pecora P-150 Primer is a one-component, non-yellowing polyisocyanate to enhance the adhesion of various Pecora Polyurethane and silicone sealants to porous and non-porous substrates.

    Installation

    Preparation:

    • Pecora P-I50 can be applied by brush or roller as received.
    • P- 150 Primer should be applied within the confines of the joint.
    • Do not allow primer to splash out of the joint as a slight discoloration of the surrounding surface may result.
    • It is recommended that the exposed surfaces be masked before applying primer.
    • lf area outside of joint is contaminated with P-150, it should be removed immediately wich mineral spirits.

    Application:

    • It is essential that surfaces be dean, dry and free of all contaminating sub stances prior to application.
    • When resealing surfaces formaly sealed with oil base or other mastics, all traces of old material should be removed.
    • If oil has been absorbed by masonry, sandblasting or cuting back of joints may be necessary.
    • Brushes, rags and solvents used for cleaning should be free of oil and grease.

    Drying Time:

    • Approximately I hour at 75°F Pecora P-I50 Primer should be allowed to dry completely before application of sealant.
    • If allowed to dry over 8 hours, repriming is necessary.
    • P-150 Primer is a moisture activated material.
    • Allow longer drying times when humidity levels are below 50%.

    Precautions:

    • Flammable and toxic. Contains diisocyanates.
    • Keep away from heat, sparks, and flame.
    • Use only in well ventilated areas.
    • May form flammable or explosive vapor-air mixture during use.
    • May cause eye, skin, or respiratory tract irritation, or allegric reaction.
    • Do not breathe fumes, dust, vapors, or mist.
    • Keep container closed when not in use.
    • Harmful if inhaled or absorbed through skin.
    • Inhalation causes headache, drowsiness, or other effects to the central nervous system.
    • Kidney or liver damage can occur.
    • Contäins material that devel may adversely affect the developing fetus.
    • Use only with adequate ventilation or wear an appropriate NIOSH-approved respirator.
    • Do not get in eyes, on skin, or on clothing.
    • Wear suitable chemical resistant gloves.
    • Wash thoroughly after handling. Harmful or fatal if swallowed.
    • Repeated contact may, without symptoms, increase suspectibility of these effects.
    • Keep out of the reach of children.
    Coverage Rates
    Joint
    Size
    Lineal Feet
    per Gallon
    I/4"x 1/4" 2400
    3/8" x 3/8" 1800
    /2"x I/2" 1200

     

    Properties

    Typical Properties
    ValueUnitsTest Method / Conditions
    Viscosity3.0centipoisesASTM D2196
    Solids30.0%ASTM D4209
    Density7.95Lbs./Gal.-
    Flash Point (T.C.C.)76.0°FASTM D56
    CleaningMineral Spirits--
    VOC660.0g/LASTM D3960

    Packaging & Availability

    Packaging & Stability

    Packaging Stability: 6 months at 80°F in tightly closed containers.

    Packaging Stability: 12 months at 80°F in tightly closed containers.

    Shipping Limitatons

    DOT Classifications: Flammable.