HD2 Pneumatic Foam Fatigue Tester，ISO 3385，Foam Fatigue Testing Machine

The HD2 Pneumatic Foam Fatigue Tester is a heavy-duty, single-station laboratory testing machine designed to evaluate the dynamic fatigue durability of flexible foam materials under repeated compressive loading. The tester applies cyclic compression to foam specimens using pneumatic actuation, simulating long-term service conditions encountered in seating, mattresses, cushioning, and interior applications. The system supports constant load testing as standard, with constant displacement mode available as an optional configuration.

Application

The tester is suitable for dynamic fatigue evaluation of foam materials used in the following applications:

Flexible polyurethane foam for furniture and bedding

Mattress cores and localized mattress fatigue testing

Sofa seat and backrest cushioning materials

Automotive seat foam and interior cushioning components

Packaging and protective foam materials

Foam formulation development and batch consistency verification

Standardized testing in research laboratories and third-party test institutions

Standards

The HD2 Pneumatic Foam Fatigue Tester complies with or references the following standards:

ASTM D3574 – Flexible Cellular Materials, Dynamic Fatigue Testing (Constant Force Method)

ISO 3385 – Polymeric materials, flexible cellular — Determination of fatigue by constant-load pounding

GB/T 10807 – Flexible cellular polymeric materials — Determination of compression properties (dynamic reference)

GB/T 6342 – Cellular plastics and rubber — Determination of linear dimensions (specimen preparation reference)

Parameters

Parameter	Unit	Specification
Test Station	—	Single station
Loading Mode	—	Constant load (standard), constant displacement (optional)
Test Frequency	cycles/min	70
Load Measurement Range	lbf	500 – 2500
Indenter Type	—	Square indenter (multiple sizes available)
Standard Indenter Size	in	15 × 15 (ASTM compliant)
Maximum Specimen Height	in	15
Maximum Specimen Width	in	28
Maximum Specimen Depth	in	24
Drive Method	—	Pneumatic (compressed air)
Control System	—	PLC with touchscreen interface
Power Supply	—	AC 120 V / 240 V
Equipment Dimensions	mm	1070 × 1015 × 870
Equipment Weight	kg	Approx. 69
Construction Material	—	Anodized aluminum and stainless steel

Features

Pneumatic loading system provides fast response and stable cyclic force

Supports both constant load and optional constant displacement fatigue modes

High-capacity load cell ensures reliable force monitoring during long-duration tests

Standard vented grid and indenter design compliant with international foam fatigue standards

Touchscreen human–machine interface for intuitive parameter setting and operation

Reinforced test platform accommodates large foam specimens

Compatible with standard foam samples and localized fatigue testing on mattresses

Accessories

Standard square indenters (multiple sizes available)

ASTM-compliant vented support grid

High-range load cell

Specimen positioning and fixing components

Pneumatic quick-connect fittings

Integrated control and monitoring software

Test Procedures

Prepare foam specimens in accordance with the applicable standard

Level the equipment and connect electrical power and compressed air supply

Install the vented grid and selected indenter

Position and secure the foam specimen on the test platform

Set loading mode, test frequency, and cycle count via the touchscreen

Start the test and allow the system to run automatically

Stop the machine automatically upon completion of the programmed cycles

Remove the specimen and proceed with post-test evaluation

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