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RP-960 Anti-Corrosion Coating Flexibility Test Apparatus

The anti‑bending test apparatus for protective coatings is used to evaluate the crack resistance and adhesion‑to‑substrate performance of coatings—such as colored paints, clear varnishes, and related products—when subjected to bending around a cylindrical mandrel. This instrument is suitable for test panels with thicknesses up to 1 mm; however, it may also be employed with thicker, softer metal substrates, such as aluminum, galvanized steel, or plastic panels, provided that the mandrel remains undeformed. For test panels thicker than 0.5 mm, it is recommended to avoid using mandrels with diameters less than 10 mm.

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RP-960 Anti-Corrosion Coating Flexibility Test Apparatus

Description

Product Introduction:

The anti‑bending test apparatus for protective coatings is used to evaluate the crack resistance and adhesion‑to‑substrate performance of coatings—such as colored paints, clear varnishes, and related products—when subjected to bending around a cylindrical mandrel. This instrument can accommodate test panels with thicknesses up to 1 mm; provided that the mandrel remains undeformed, it may also be employed with thicker, softer metal substrates, including aluminum, galvanized steel, and plastic panels. For test panels thicker than 0.5 mm, it is recommended to avoid using mandrels with diameters less than 10 mm.

Technical Specifications:

Applicable Standards: GB/T 6742-86, JT/T 374-1998 “Technical Specifications for Barriers,” JT/T 281-2007 “W-beam Steel Guardrails for Expressways,” ISO 1519-73, and ASTM D522.

External dimensions: 200×100×130
Test film or shaft rod gauge in inches: shaft rod diameters 2, 3, 4, 5, 6, 8, 10, 12, 16, 18, 20, 25, 32 mm
Test panel substrate: not greater than 1.0 mm (polished steel plate, tinplate)
Detailed description: Application: Evaluates the flexibility of a paint film by measuring its ability to deform along with the substrate under specified standard conditions without sustaining damage.
Test technical characteristics: Under the conditions specified in the standard, it is expressed as the minimum diameter of the mandrel at which a test panel, bent 180 degrees around the mandrel within 1–3 seconds, does not cause cracking of the paint film.

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FAQs

Do you supply full-set testing instruments for asphalt and geotechnical engineering projects?

We offer complete lab solutions including asphalt viscosity tester, asphalt rutting tester, geotextile permeability tester, low-temperature flexibility tester and concrete/cement test equipment, covering raw material detection for road, water conservancy and construction engineering projects

Can you customize fixtures or test machines based on our special test requirements? How about after-sales service and warranty?

We provide non-standard customization of test equipment and customized fixture clamps according to customers’ specimen size and test standards. All our testing machines enjoy 12-month factory warranty; overseas customers get remote online debugging guidance, spare parts supply and technical operation training. Our products have been exported to over 70 countries globally

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What kinds of pipes fit your ring stiffness tester? Can it do long-term creep testing?

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What test items can your WDW series computer-controlled electronic universal testing machine complete? Which international standards can it meet?

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Customer Reviews

European Plastic Pipe Manufacturer｜Purchase: Ring Stiffness & Hydrostatic Burst Tester

From Thomas Bennett, Quality Director, UK plastic pipe factory

2026.06.05

★★★★★

“We have purchased two sets of pipe testing equipment from Laibote (Tianjin) for 18 months. The ring stiffness and hydrostatic burst testing machines run stably for daily batch inspection, test data matches ISO standard requirements precisely, and the intelligent test software is easy for our operators to master. Their after-sales team offers timely remote technical guidance whenever we have operational problems, spare parts supply is efficient. We have arranged a second bulk order for our new production workshop and will recommend Laibote’s testing machines to our industry partners across Europe.”

Middle East Construction Lab｜Purchase: Universal Electronic Testing Machine & Geotextile Test Equipment

From Mohamed Kareem, Lab Manager, UAE third-party construction inspection institute

2026.06.05

★★★★★

“We compared multiple testing equipment brands from Europe and China before cooperating with Laibote. Their WDW universal tester and full-set geotextile testing instruments meet local construction testing standards perfectly. Custom fixtures tailored per our specimen specifications save much testing time. Pre-sale technical communication was patient and professional; engineers provided online operation training after goods arrived. Stable machine performance greatly improves our laboratory’s detection efficiency, we are satisfied with cost performance and overall service.”

Southeast Asia Rubber & Polymer Factory｜Purchase: Vicat Softening Point & Tensile Testing Machine

From Tanaka Hiroshi, R&D Supervisor, Indonesia rubber materials enterprise

2026.06.05

★★★★★

“Laibote’s Vicat softening point tester and electronic tensile machine have been applied to our raw material incoming inspection and new formula development for over one year. High testing accuracy effectively controls our product defect rate. What impresses us most is their responsive after-sale service; technical staff reply our troubleshooting requests within 24 hours even for time zone differences. Compared with expensive European brands, Laibote’s equipment balances quality and price excellently, we plan to expand procurement of auxiliary testing instruments next quarter.”

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RP-960 Anti-Corrosion Coating Flexibility Test Apparatus

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