(800) 433-5551
(305) 921-0100
info@dyplast.com

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ISO-C1® Polyiso Pipe, Tank and Equipment Insulation
  • Superior Aged k-factor down to 0.16 Btu•in/hr•ft2•°F at 75°F
  • FM Specification Tested; Class 1 per ASTM E84
  • Meets or Exceeds ASTM C591 Requirements
  • Lowest Water Vapor Transmission and Thermal Conductivity in the Industry
  • Suitable for Process Temperatures from -297°F to +300°F

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ISO-HT® Polyisocyanurate for Hot Process and Low Temperature Steam
  • For continuous temperatures up to 350°F (177°C), Intermittent to 375°F (190°C)
  • Class 1 Flame/Smoke per ASTM E84
  • Excellent thermal performance: 0.16 BTU•in/hr•ft2•°F at 75°F
  • Flexible sheets to fit around tanks

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ISO-C1® Polyiso Sheets for Insulated Panels
  • Excellent aged k-factors down to 0.16 Btu•in/hr•ft2•°F at 75°F
  • Class 1 flame/smoke per ASTM E84
  • Widths up to 52 inches and lengths up to 24 feet
  • Any thickness: as thin as 0.125", with +/- 0.03125" tolerances
  • Excellent flexibility to wrap tanks
  • FM4880 Approvals

An Insulation System For Each Temperature Range

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trimming-polyisocyanurate.jpgISO-HT® and ISO-C1® polyisocyanurate insulation is produced as bunstock in a continuous manufacturing process (take_tour). Isocyanurate, polyol, surfactants, flame retardants, and catalyst are pre-staged in tanks sized to provide in excess of 7 hours of continuous operation per run.

Bunstock production equipment can be adjusted to produce variable block dimensions depending on particular customer needs. Bun widths for a nominal 2 lb/ft2 density can vary from a trimmed 38 inches (96 cm) up to a trimmed 60 inches (1.52 m), with our standard sizes set at 48 inches (1.22 m). Bun lengths can vary from 36 inches (91.4 cm) (standard pipe chunks) up to 288 inches (7.31 m), with standard stocked sizes being the 72 (1.83 m) and 108 inches (2.74 m) lengths. The bun heights for other ISO densities will vary and bun width with typical trimmed bun heights given in the following table:

Bun Width Bun Heights based on Bun Widths at Nominal Density
  2 Lb 2.5 Lb 3 Lb 4 Lb 6 Lb
38“ (96 cm) 27” ( 69 cm) 26” (66 cm) n/a n/a n/a
48” (122 cm) 26” (66 cm) 24” (61 cm) 20” (51 cm) 18” (46 cm) 16” (41 cm)


controls-for-polyiso-trim.jpgNote 1: all dimensions are given in the trimmed size. Add approximately 1.5" (3.8 cm) to 2" (5.1 cm) for actual untrimmed bun height.

Note 2: Metric dimensions above are rounded to the nearest significant digit..

This customized sizing capability can yield considerable cost savings by minimizing the need to "cut" to size - - thereby minimizing waste.

Our fabrication shop is capable of cutting sheet stock to any thickness, as thin as 0.125" (0.32 cm) thick, with +/- 0.03125" (0.078 cm) tolerances, making our cut sheet products ideal for demanding applications.

ISO-C1 and ISO-HT Sizing can be summarized as:

ISO-C1 Billable inches # blocks in truck Approximate BF
2 24 x 48 x 36 108-110 31,680
2.5 24 x 48 x 36 108-110 31,680
HT 24 x 48 x 36 108-110 31,680
3 18 x 48 x 36 116 25,056
4 16 x 48 x 36 120 23,040
6 12 x 48 x 36 174 25,056