Search
the marketplace
through 230,000 Chemicals and Raw Ingredients
through 8,000+ Supplier owned storefronts

HexWeb® HRH-327

HexWeb® HRH-327 is a glass-fabric, bias weave reinforced honeycomb that incorporates a polyimide resin system for the node adhesive as well as both the initial and final web impregnations. This material has been developed for extended service temperatures up to 500°F with short-term capabilities up to 700°F.

Brand: HexWeb (20 products)

Functions: Core Material

Core Type: FRP Honeycomb

Technical Data Sheet

Enhanced TDS

Knowde-enriched technical product data sheet

Identification & Functionality

Core Type
FRP Honeycomb
Reinforcement Material
Glass Fibers
Composite Materials Functions
Core Material
Technologies
Composite Materials
Product Families
Composite Materials — Core Materials
Honeycomb

Features & Benefits

Materials Features
Thermally Insulating
Product Highlights
  • High-strength retention up to 500°F continuous service
  • 700°F short and intermittent term exposures
  • All polyimide resin and adhesive system
  • Good insulation properties
  • Good dielectric properties

Applications & Uses

Markets
Automotive & Transportation,
Electrical & Electronics
Applications
Electrical & Electronics — Parts & Components
Housings & Enclosures
Automotive & Transportation — Transportation
Aerospace & Aviation,
Marine,
Rail & Mass Transit
Applications

A high-temperature nonmetallic honeycomb for use in sandwich structures that require good electrical properties or that see service temperatures in the range of 350°F-500°F. Applications include sandwich structures for Mach 2 and Mach 3 aircraft, high-energy radomes, structural and acoustical engine inlets and liners.

Properties

Mechanical Properties

Hexcel Honeycomb Designation Compressive Plate Shear
Stabilized L Direction W Direction
Material-Cell- Size-Density Strength psi   Modulus
ksi		 Strength psi Modulus ksi Strength
psi		 Modulus
ksi
typ min typ typ min typ typ min typ
HRH-327 – 1/8 – 3.2 310 220 27 195 140 140 95 70 7.5
HRH-327 – 1/8 – 5.5 790p 600p 80p 465p 300p 300p 245p 175p 14.5p
HRH-327 – 3/16 – 4.0 440p 340p 40p 280p 200p 200p 130p 90p 10.0p
HRH-327 – 3/16 – 4.5 520 400 58 320 220 220 150 110 11
HRH-327 – 3/16 – 5.0 600p 480p 68p 370p 280p 280p 180 135p 12.0p
HRH-327 – 3/16 – 6.0 780 625 87 460 345 345 230 170 15
HRH-327 – 3/16 – 8.0 1210 1000 126 700 490 490 420 300 22

p = preliminary values. Test data obtained at 0.500 inch thickness.

  • HRH-327 Honeycomb is normally not tested for bare compressive strength.
  • Tolerance for nominal densities shown above is ± 10%
  • Post cure (550° or 700°) must be specified when ordering

Technical Details & Test Data

Post-Cured HexWeb® HRH-327

Typical Strength Retention at Elevated Temperatures

HexWeb® HRH-327 - Post-Cured Hexweb® Hrh-327

Packaging & Availability

Standard Dimensions

HexWeb® HRH-327 polyimide honeycomb materials are available in the following standard cell sizes and dimensions:

Product – Cell L W T Min.
HRH-327 – 1/8 in. 42 in. ± 1 in. 72 in. ± 3 in. 0.125
HRH-327 – 3/16 in. 42 in. ± 1 in. 72 in. ± 3 in. 0.125

Thickness Tolerance

Tolerances on cut thickness are as follows:

  • 0.125 in. to 1.500 in. tolerance will be ± 0.006 in.
  • 1.501 in. to 3.000 in. tolerance will be ± 0.010 in.
  • 3.001 in. and over tolerance will be ± 0.062 in

Dimensional Nomenclature

T = Thickness, or cell depth
L = Ribbon direction
W = Transverse direction, or direction perpendicular to the ribbonHexWeb® HRH-327 - Standard Dimensions