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LBT-ZF-631 Protective Clothing Acid-Resistant Performance Tester

Name: LBT-ZF-631 Protective Clothing Acid-Resistant Performance Tester
Brand: Laibote (Tianjin) Testing Machinery
Availability: InStock

It is primarily used to evaluate the acid- and alkali‑resistant performance of breathable acid‑ and alkali‑resistant protective garments by allowing a test solution to flow over the sample surface, assessing whether the solution is retained or penetrates the material, and calculating the acid‑ and alkali‑resistance efficiency index.

Category:

Protective Clothing Testing Instrument

Keywords:

E-mail:

lbt@lbt.ltd

WhatsApp:

+86-15102211717

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LBT-ZF-631 Protective Clothing Acid-Resistant Performance Tester

Description

Product Introduction:

This equipment was developed in accordance with Appendix D of GB 24540, “Protective Clothing—Protective Clothing Against Acid and Alkaline Chemicals,” and is primarily used to evaluate the acid- and alkali‑resistance performance of breathable acid‑ and alkali‑resistant protective garments. It involves passing a test solution over the sample surface, assessing whether the solution remains on the surface or penetrates it, and calculating the acid‑ and alkali‑resistance efficiency index.

Reference standard:

GB 24540-2009 “Protective Clothing — Protective Clothing for Acid and Alkaline Chemicals,” Appendix D

Technical Specifications:

Parameter Category	Parameter content
Transparent small groove	Semi-cylindrical PTFE (resistant to 80% concentrated hydrochloric acid for more than 6 years), with an inner diameter of (125 ± 1) mm, a length of (300 ± 0.5) mm, and inclined at 45°.
Injector	Capacity: (10 ± 0.2) mL; needle hole diameter: (0.8 ± 0.01) mm
The lower end of the flat-head needle tip is a certain distance from the bottom of the groove.	100 mm
Injection system	Microcomputer‑controlled automatic injection system (managed by a dedicated computer board, ensuring precision and reliability), with an injection rate of 10 ± 0.2 seconds for a continuous delivery of 10 ± 0.2 mL of liquid.
Small beaker capacity	50 mL
Specimen dimensions	(360±2) mm × (235±2) mm
Instrument Specifications	350 mm × 650 mm × 825 mm
Placement location	Experiment bench (or desktop)

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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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Does your pipe pressure burst testing machine control test temperature automatically? What’s its main application?

Yes, the constant-temperature circulating system keeps stable test environment during long-time hydrostatic resistance and instant burst pressure measurement of thermoplastic pipes. It complies with GB6111 standard and serves raw material inspection, new product R&D for plastic pipe manufacturers, third-party testing labs and university laboratories.

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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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“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.”

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

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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.”

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