SPECIFICATIONS: FIBERGLASS POLYMER CONCRETE-Pull Box, Junction Box, Hand Hole, Splice Box, Vaults and Transformer Pads.
SPECIFICATIONS

The pull/splice box ring and cover shall be constructed of polymer concrete consisting of sand and aggregate bound together with a polymer resin.  Internal reinforcement may be provided by means of steel, fiberglass, or a combination of the two.  The polymer concrete material has the following minimum allowable properties:
Ultraviolet Exposure:  Tested in accordance with ASTM G-53 using an U.V.A. 340 bulb.
Flammability Test:  Tested in accordance with ASTM D-635.
Accelerated Service:  Tested in accordance with Procedure E, ASTM D-757.
Water Absorption:  Tested in accordance with Procedure E, ASTM D-570, Section 5, 6, 1, and 6.5.
Impact Resistance:  72 foot-pounds in accordance with ASTM D-2444 using a “C” Tup.
Compressive Strength:  11,000 psi tested in accordance with ASTM C-109 loaded at a rate between 28, 000lbs. to 41, 000 lbs. per minute.
Flexural Strength:  7,500 psi tested in accordance with ASTM D-790.
Tensile Strength:  1,700 psi tested in accordance with ASTM C-496.
Skid Resistance:  0.50 coefficient of friction in accordance with ASTM C-1028.
Chemical Resistance:  Tested according to ASTM D-543, Section 7, Procedure 1 using the following chemicals:
Sodium Chloride 5%
Sulfuric Acid 0.1n
Hydrochloric Acid 0.2N
Sodium Sulfate 0.1N
Sodium Carbonate 0.1N
Sodium Hydroxide 0.1N
Transformer Oil Per ASTM D-543
Kerosene Per ASTM D-543

MATERIALS: BASE
Thickness Tolerance  +/- 1/16” to 1/8”
Flexural Strength 17,000-18,000 psi
Flex Modulus  .59-.65 psi x 106
Tensile Strength 9,100-10,500 psi
Impact Strength (notched Izod) 15-17 ft lbs/inch
Glass Length 1” random orientation
Resin Type  Non-Isopthalic
Filler gypsum
 Water Absorption <1%

The standard product line is designed and manufactured to perform to and comply with the following standards for loading:

• Western Underground Committee Recommended guide 3.6 for 10,400# loading for incidental, non deliberate light vehicular traffic.
• ANSI/SCTE 77 2007 Tier 8 (12,000# Test Load)  Tier 15 (22,500# Test Load) and Tier 22 (33,750# Test Load) Specification for Underground Enclosure Integrity.

Polymer concrete/polymer concrete-fiberglass products are not intended for use in constant traffic areas.

The following test methods have been used in evaluating the physical and chemical properties of the hybrid fiberglass/polymer concrete product line:

Impact Properties                              (Izod) ASTM D 256 ASTM D 2444
Compressive Strength                       ASTM C 109
Tensile Strength                                ASTM C 190
Flexural Strength                               ASTM C 293
Chemical Resistance                          ASTM D 543
Simulated Sunlight                            ASTM D 1501
Vicant Softening Temperature        ASTM D 1525
Water Absorption                             ASTM D 570
Ultra Violet Resistance                      ASTM G 53
Brittleness Temperature                   ASTM D 746
Flammability                                      ASTM D 635
Static Coefficient of Friction                        ASTM C 1028

What is Polymer Concrete?
Polymer concrete is similar to conventional concrete in that it contains selected blends of aggregates and fillers which are held together utilizing a binder.  The aggregates include silica, quartz, granite, limestone, and other high quality material.  Conventional concrete uses a combination of cement and water for the binder.  In polymer concrete the binder is a high strength, corrosion resistant, thermosetting resin.  This resin system requires a curing agent (catalyst) which when combined with the resin, transfers the resin and curing agent from a liquid to a solid (thermoset polymer) which bonds to the aggregate, various fillers and internal reinforcement.  The polymer concrete is reinforced with fiberglass for superior strength and rigidity.