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LBTC-331 Photovoltaic Glass Flexural Resistance Test Fixture

As a critical component of photovoltaic modules, photovoltaic glass must not only exhibit excellent light transmittance but also possess sufficient mechanical strength to withstand outdoor exposure to wind and rain, temperature fluctuations, and the various stresses encountered during transportation. To ensure the quality of photovoltaic glass, a series of performance tests are typically conducted, with the bending test serving as one of the key methods for evaluating its flexural resistance. This fixture, when used in conjunction with a testing machine, is designed for conducting glass bending‑fixture tests.

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Testing machine accessories, fixtures, and tooling components

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lbt@lbt.ltd

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LBTC-331 Photovoltaic Glass Flexural Resistance Test Fixture

Description

Product Introduction:

As an essential component of photovoltaic modules, photovoltaic glass must not only exhibit excellent light transmittance but also possess adequate mechanical strength to withstand outdoor exposure to wind and rain, temperature fluctuations, and the various stresses encountered during transportation. To ensure the quality of photovoltaic glass, a series of performance tests are typically conducted, with the bending test serving as one of the key methods for evaluating its flexural resistance. This fixture, in conjunction with a testing machine, is used for conducting bending‑test procedures on glass samples.

Technical Specifications:

Name	Glass four-point bending fixture
Material	45#
Surface treatment	Sandblasting nickel plating
Scope of Use	This fixture, in conjunction with a testing machine, is used for glass bending‑fixture tests.
Fixture Specifications	The fixture’s support/pressing point has a diameter of R1.5 mm or R3 mm and a height of 70 mm; the test specimen width is 200 mm. The upper fixture allows adjustment of the test span to 100 mm (total length 170 mm), while the lower fixture can be adjusted to a test span of 150 mm, with a total length of 220 mm. The minimum test span is 10 mm.
Optional connector (customizable)	Optional A- or B-type flange fittings: A flanged joint, shaft outer diameter 20 mm, length 30 mm (with locknut) B‑flange fitting: inner bore 20 mm, depth 30 mm; pin hole diameter 10 mm; distance from the center of the pin hole to the end face of the fitting 14.5 mm.
Remarks	When no adapter is available, the fixture itself is equipped with an M12 internal thread.

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FAQs

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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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LBTC-331 Photovoltaic Glass Flexural Resistance Test Fixture

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