Plastic Hose Testing Services

Service Content

Plastic hoses and reinforced thermoplastic hoses (such as glass-fibre/aramid reinforced composite hoses) are widely used in oil and gas gathering, chemical transfer and water supply/drainage, where they endure internal pressure, bending and media corrosion over long service lives. Their hydrostatic performance, hardness, resin content and interlaminar bond quality are decisive for service life. The LEISA Technology laboratory provides full-scope testing for plastic hoses, covering hydrostatic (pressure) performance, flexural properties, density, Barcol and Shore hardness, resin content, apparent interlaminar shear strength, Vicat softening temperature, Charpy impact, melt flow rate and accessory dimensional measurement. Centred on constant-temperature hydrostatic systems, universal testing machines, hardness testers and melt-flow indexers, and following GB/T, ISO and ASTM methods, the laboratory delivers reliable data for hose development, batch acceptance and failure analysis.

Test Items

• Hydrostatic performance: pressure resistance and short-term failure at a specified temperature, per ASTM D1599, GB/T 15560.
• Flexural properties: flexural strength and modulus, per GB/T 1449, ISO 178, ASTM D790.
• Density: composite density, per GB/T 1463, GB/T 1033-1.
• Barcol hardness: degree of resin cure, per GB/T 3854, ASTM D2583.
• Resin content: by loss on ignition, per GB/T 2577, ISO 1172, ASTM D2584.
• Apparent interlaminar shear strength: reinforcement/resin interface bond, per GB/T 1450-1.
• Shore hardness: hardness of elastomeric/soft materials, per GB/T 2411, ASTM D2240.
• Vicat softening temperature: heat-deformation resistance, per GB/T 1633.
• Charpy impact: impact toughness, per GB/T 1451, GB/T 1043-1.
• Melt flow rate (MFR): processing flowability of thermoplastic feedstock, per GB/T 3682.
• Dimensions (accessory): inner diameter, wall thickness and length, per GB/T 8806.

Service Process

1. Sample receipt and registration: record hose specification, layer structure and production batch.
2. Plan confirmation: select test items and pressure/temperature per hose type and service conditions.
3. Specimen preparation and conditioning: take representative specimens and equilibrate.
4. Testing: complete hydrostatic, mechanical, hardness and thermal tests.
5. Data processing and review: calculate, judge conformity and review.
6. Report delivery: issue the report with failure-mode and improvement advice.

Advantages

• Strong pressure-test capability: multi-channel constant-temperature hydrostatic systems for long-term and short-term tests.
• Comprehensive characterisation: mechanical, interfacial and compositional, for precise problem location.
• Fast turnaround: standardised process shortens batch acceptance cycles.

By comprehensively testing the pressure resistance, mechanical and compositional properties of plastic hoses, the LEISA Technology laboratory provides trustworthy evidence for development validation, factory inspection and on-site failure analysis, safeguarding safe operation of conveyance systems.

Applicable standards: GB/T 1449, GB/T 1450-1, GB/T 2577, GB/T 3854, GB/T 3682, ASTM D1599, ASTM D2583, ISO 1172.