Product Description

CCSi manufactures these specimen molds for the determination of impact resilience and penetration of rubber by means of the Goodyear-Healey rebound pendulum instrument, as described in ASTM D1054 ‘Test Method for Rubber Property-Resilience Using a Goodyear-Healey Rebound Pendulum’.

The Goodyear-Healey Rebound test is applicable to those substances classified as thermoplastic elastomers, vulcanized (thermoset) rubber, elastomeric materials, and cellular materials.
The material is die cut, using the CCSi D1054 Specimen Die, from sheets of uncured compounded rubber approximately 2 mm (0.85 in.) in thickness. The pieces are then stacked in the cavities to the appropriate thickness and molded into rectangular blocks.

CCSi UltraLife molds are designed, engineered, and manufactured to produce high quality specimens, over an extended service life!

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CCSi UltraLife Specimen Molds: Quality Manufacturing Fill 118 Copy 1 Created with Sketch.

CCSi UltraLife molds are manufactured from homogenous, solid, high carbon content A2 mold steel. Each undergoes precision grinding and CNC (Computer Numerical Control) machining to exacting requirements. The mold cavities are expertly honed and hand polished, after which the mold is industrial chrome plated

Precision grinding ensures a parallel surface profile of the platens and CNC machining provides ultra-close dimensional tolerances, while the honing and polishing processes guarantee smooth, true specimen cavities. The durable, hard chrome finish resists the corrosive and adhesive effects of most compounds, greatly improving overall durability and ease of maintenance.

The CCSi UltraLife mold platens are thicker than standard molds, providing superior heat and pressure distribution, as well as extending the mold’s useful life by resisting distortion. This also allows the overflow recesses to be deeper, reducing problems associated overfill. The platens are positively positioned with precision guide pins and receivers … assuring precise closure!

CCSi UltraLife Specimen Molds: Innovative Design Fill 118 Copy 1 Created with Sketch.

CCSi UltraLife molds feature a unique cam-action hinge design which improves the critical distribution of pressure. Typical ‘fixed-hinge’ designs cause material to flow, outwardly, from this constraining point. This uneven application of pressure may cause excessive overfill, or cavity voids. The cam-action hinge design has all of the advantages of ‘stacked plate’ molds, combined with the convenience of ‘fixed-hinge’ designs! NOTE

The handles are manufactured from 304 stainless steel (a chromium – nickel austenitic alloy) and contain integral support pins. This allows the handles to rotate, which facilitates opening the mold. The handles are ergonomically positioned to ease placement and removal from the heated laboratory press. NOTE

Large triangular pry slots are located at the corners, opposite the cam-action hinges. These further facilitate mold opening and reduce the occurrence of cavity damage from improperly positioned tools.

CCSi UltraLife Specimen Molds: Features Fill 118 Copy 1 Created with Sketch.

The CCSi ASTM D1054 Specimen Molds Feature:

  • Exclusive UltraLife engineering;
  • Designed with advanced 3D solid modeling;
  • Manufactured using computerized systems and techniques;
  • CNC (Computer Numerical Control) 4 axis machining;
  • Precision ground;
  • Expertly honed;
  • Finely polished;
  • High carbon content A2 mold steel;
  • Thicker plates resist warping, distribute heat and pressure evenly;
  • Cam action hinges prevent uneven closure;
  • Industrial chrome plate finish;
  • 304 stainless steel rotating handles ease opening, closing and handling;
  • Deep overflow recesses (flash pockets) reduce overfill problems;
  • Precision locator pins & receivers assure positive alignment;
  • High strength fasteners resist the effects of strain and stress;
  • Temperature probe orifices may be added for profiling;
  • Optional finishes are available for highly corrosive compounds.

Available in:

  • ASTM D1054 UltraLife 8 Cavity Mold.

NOTE: handles and hinges are not offered with the D1054 design. The mold is shown above without the top plate, for visibility.

CCSi UltraLife ASTM D1054 Specimen Molds: Specifications & Pricing Fill 118 Copy 1 Created with Sketch.
Part NumberMold ConfigurationSpecimen Size
CCS-MD1054-8D1054 8 Cavity, 2 Plate Mold25.0 ± 0.5 x 25.0 ± 0.5 x 50 ± 1.0 mm (0.98 ± 0.02 x 0.98 ± 0.02 x 1.97 ± 0.04 inch)

Index Terms: Fill 118 Copy 1 Created with Sketch.

molds, test specimen molds, Test Method for Rubber Property-Resilience Using a Goodyear-Healey Rebound Pendulum, ASTM D1054, D1054, deflection, Goodyear-Healey, Goodyear-Healey rebound pendulum, hot percentage rebound, pendulum, percentage rebound, RB, rebound, resilience.