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CERTIFICATE OF COMPLIANCE
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The Plastic Valve, Curb Service and Meter Boxes of ARMORTM
Access Boxes are injection molded, commercially manufactured products, utilizing a proprietary
Plymouth Products compound known as PLYMOUTH SUPERFLEXON® 1203, per ASTM D2853-70, Class
1212. The material is a rigid combination of polyolefin with fibrous inorganic component
reinforcing, and U.V. stabilizer additives to assure resistance to material degradation from
Ultra-Violet light.
Test bars of this compound, molded according to ATM Standards, meet the following properties
when tested under specified ASTM laboratory testing methods and conditions:
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PHYSICAL PROPERTIES OF PLYMOUTH SUPERFLEXON®
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Properties
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Test Method
ASTM
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Minimum
Test Values
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Tensil Strength (2.0" min.)
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D-638-82a
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3400 psi
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Flexural Modulus
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D-790-81
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191,000 psi
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Compressive Strength (0.05"/min.)
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D-695-80
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3350 psi
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Durometer Hardness, Type D
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D-2240-81
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60
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Deflection Temperature @ 66 psi Stress
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D-648-82
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230° F
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Specific Gravity
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D-792-66 (1979)
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1.15
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If testing is attempted other than as specified under the ASTM prodcedures, such as removal
of a bar or section from a finished product, allowances must be made for the location of the
piece cut out. An additonal heat history and fill and flow patterns, all of which will affect
the test results on this type of material testing sample.
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502 Indiana, PO Box 1047 