INTREPID™ 2498 BK Bimodal Polyethylene Resin is produced using UNIPOL™ II process technology. This product is intended for use in industrial piping system where extreme conditions such as high pressures, elevated temperatures and aggressive chemicals or hydrocarbons exist. Suitable uses include oil & gas field pipelines, gas distribution pipelines, and other industrial applications. Industrial Standards Compliance: ASTM D 3350: cell classification - Black - PE445576C (MRS) (See NOTES 1) - Black - PE445574C (HDB) (See NOTES 1) Plastics Pipe Institute (PPI): TR-4 - Black Pipe - INTREPID 2498 BK (See NOTES 1) -- ISO PE100 pipe grade - MRS 10 @ 20°C -- ASTM PE4710 pipe grade - 1600 psi HDB and 1000 psi HDS @ 73°F, and 1000 psi HDB @ 140°F NOTES: (1) The first five numbers of the cell classification are based on natural resin. The last number and letter are based on black resin (natural resin plus 6.5% DFNF-0092 BK).

INTREPID™ 2498 NT Bimodal Polyethylene Resin is produced using UNIPOL™ II process technology. This product is intended for use in industrial piping system where extreme conditions such as high pressures, elevated temperatures and aggressive chemicals or hydrocarbons exist. Suitable uses include oil & gas field pipelines, gas distribution pipelines, and other industrial applications. Industrial Standards Compliance: ASTM D 3350: cell classification - Black - PE445576C (MRS) (See NOTES 1) - Black - PE445574C (HDB) (See NOTES 1) Plastics Pipe Institute (PPI): TR-4 - Black Pipe - INTREPID 2498 BK (See NOTES 1) -- ISO PE100 pipe grade - MRS 10 @ 20°C; -- ASTM PE4710 pipe grade - 1600 psi HDB and 1000 psi HDS @ 73°F, and 1000 psi HDB @ 140°F NOTES: (1) The first five numbers of the cell classification are based on natural resin. The last number and letter are based on black resin (natural resin plus 6.5% DFNF-0092 BK).

INTREPID™ 2499 NT Bimodal Polyethylene Resin is a Polyethylene resin produced with raised temperature capability (PE-RT) using UNIPOL™ II process technology. This product is intended for use in municipal and industrial piping systems where extreme conditions such as high temperatures, aggressive chemicals, hydrocarbons, or highly oxidative conditions exist. Suitable uses include oil and gas field pipelines, gas distribution pipelines, mining pipelines, district heating systems, municipal water distribution and other industrial applications. Industrial Standards Compliance: ASTM D3350: cell classification: -- Natural - PE445574A CCO -- Black - PE445574C CC3 (See Notes A and B) Plastics Pipe Institute (PPI): TR-4 -- Natural Pipe INTREPID 2499 NT Bimodal Polyethylene Resin -- ASTM PE4710 pipe grade - 1600psi HDB @ 73 °F (23°C) -- ASTM PE4710 pipe grade - 800psi HDB @ 180 °F (82.2°C) -- Black Pipe INTREPID 2499 BK Bimodal Polyethylene Resin (See Note B) -- ASTM PE4710 pipe grade - 1600psi HDB @ 73 °F (23°C) -- ASTM PE4710 pipe grade - 800psi HDB @ 180 °F (82.2°C) NSF International: Standard 14 and 61 -- Natural Pipe INTREPID 2499 NT -- Black Pipe INTREPID 2499 BK (See Note B) NOTES: (A)The first 5 numbers of the cell classification are based on natural resin. The last number and letter are based on black resin. (natural resin plus 6.5% DFNF-0092). (B) Natural resin extruded under proper conditions with carbon black masterbatch DFNF-0092 BK (6.5%)