There is a range of standardized methods used to test the mechanical properties of a pultrusion and ensure they meet the exact quality and performance criteria.

If you would like to learn more about the testing and quality methods we use at Pultron, contact us today.

Pultrusion Composition, Dimensions, and Physical Properties

ASTM D3918: Standard Terminology Relating to Reinforced Plastic Pultruded Products.

ASTM D3647: Standard Practice for Classifying Reinforced Plastic Pultruded Shapes According to Composition.

ASTM D7745: Standard Practice for Testing Pultruded Composites.

ASTM D4385: Standard Practice for Classifying Visual Defects in Thermosetting Reinforced Plastic Pultruded Products.

ASTM D3917: Standard Specification for Dimensional Tolerance of Thermosetting Glass-Reinforced Plastic Pultruded Shapes.

ASTM D792: Standard Test Methods for Density and Specific Gravity (Relative Density) of Plastics by Displacement.

ASTM D1505: Standard Test Method for Density of Plastics by the Density-Gradient Technique.

ASTM D2584: Standard Test Method for Ignition Loss of Cured Reinforced Resins.

ASTM E1131: Standard Test Method for Compositional Analysis by Thermogravimetry.

E831: Standard Test Method for Linear Thermal Expansion of Solid Materials by Thermomechanical Analysis.

Glass Transition, Cure and Performance at Elevated Temperatures

ASTM E1356: Standard Test Method for Assignment of the Glass Transition Temperatures by Differential Scanning Calorimetry.

ASTM E1640: Standard Test Method for Assignment of the Glass Transition Temperature By Dynamic Mechanical Analysis.

ASTM D3418: Standard Test Method for Transition Temperatures and Enthalpies of Fusion and Crystallization of Polymers by Differential Scanning Calorimetry.

ASTM D5028: Standard Test Method for Curing Properties of Pultrusion Resins by Thermal Analysis.

ASTM E2160: Standard Test Method for Heat of Reaction of Thermally Reactive Materials by Differential Scanning Calorimetry.

Moisture and Durability for Pultrusion Composites

ASTM D5117: Standard Test Method for Dye Penetration of Solid Fiberglass Reinforced Pultruded Stock.

ASTM D570: Standard Test Method for Water Absorption of Plastics.

Testing Mechanical Properties of Composite Materials

ASTM D7205/D7205M: Standard Test Method for Tensile Properties of Fiber Reinforced Polymer Matrix Composite Bars.

ASTM D3916: Standard Test Method for Tensile Properties of Pultruded Glass-Fiber-Reinforced Plastic Rod.

ASTM D3039/D3039: Standard Test Method for Tensile Properties of Polymer Matrix Composite Materials.

ASTM D4476/D4476M: Standard Test Method for Flexural Properties of Fiber Reinforced Pultruded Plastic Rods.

ASTM D790: Standard Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials.

ASTM D3410/D3410M: Standard Test Method for Compressive Properties of Polymer Matrix Composite Materials with Unsupported Gage Section by Shear Loading.

ASTM D4475: Standard Test Method for Apparent Horizontal Shear Strength of Pultruded Reinforced Plastic Rods By the Short-Beam Method.

ASTM D2344/D2344M: Standard Test Method for Short-Beam Strength of Polymer Matrix Composite Materials and Their Laminates.

ASTM D3914: Standard Test Method for In-Plane Shear Strength of Pultruded Glass-Reinforced Plastic Rod.

ASTM D2583: Standard Test Method for Indentation Hardness of Rigid Plastics by Means of a Barcol Impressor.

ASTM D7617/D7617M: Standard Test Method for Transverse Shear Strength of Fiber-reinforced Polymer Matrix Composite Bars.

Electrical Test Methods for Putrusions

ASTM D495: Standard Test Method for High-Voltage, Low-Current, Dry Arc Resistance of Solid Electrical Insulation.

ASTM D149: Standard Test Method for Dielectric Breakdown Voltage and Dielectric Strength of Solid Electrical Insulating Materials at Commercial Power Frequencies.

Fire Test Methods

ASTM D7309: Standard Test Method for Determining Flammability Characteristics of Plastics and Other Solid Materials Using Microscale Combustion Calorimetry.

ASTM E119: Standard Test Methods for Fire Tests of Building Construction and Materials.

ASTM E1321: Standard Test Method for Determining Material Ignition and Flame Spread Properties.

ASTM E2768: Standard Test Method for Extended Duration Surface Burning Characteristics of Building Materials (30 min Tunnel Test).

FRP Rebar Specific Test Methods Standards

ACI 440.3R (Method B.3): Test Method of Bond Strength of FRP Bars by Pullout Testing.

ACI 440.3R (Method B.6): Alkali Resistance in High pH Solution (with and/or without load).

ACI 440.3R (Method B.8): Creep Rupture Strength of FRP rebar.

CSA S807 Specification for fiber-reinforced polymers

ISO 10406-1 Fibre-reinforced polymer (FRP) reinforced concrete – test methods

ACI 440.1R Guide for the Design and Construction of Structural Concrete Reinforced with Fiber-Reinforced Polymer (FRP) Bars

ACI 440.5 Specification for Construction with Fiber-Reinforced Polymer Reinforcing Bars

ACI 440.6 Specification for Carbon and Glass Fiber-Reinforced Polymer Bar Materials for Concrete Reinforcement (now obsolete, replaced by ASTM D7957)

AASHTO LRFD Bridge Design Guide Specifications for GFRP-Reinforced Concrete

CSA S806 Design and construction of building structures with fiber-reinforced polymers

CAN/CSA-S6 (Section 16, Fiber-reinforced Structures) Canadian highway bridge design code

ISO 14484 Performance guidelines for the design of concrete structures using fiber-reinforced polymer (FRP) materials


ASTM G154: Standard Practice for Operating Fluorescent Ultraviolet (UV) Lamp Apparatus for Exposure of Nonmetallic Materials.