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YH-40, 60, and 90B All-Stainless Steel Standard Constant-Temperature and Constant-Humidity Curing Cabinets

The standard constant‑temperature and constant‑humidity curing chamber is designed and manufactured in accordance with the national standards GB 1345‑77 and GB/T 17671‑1999, “Methods for Testing the Strength of Cement Mortar,” as well as technical specifications provided by the National Building Materials Research Institute and relevant authorities. It is suitable for large, medium, and small cement plants, as well as construction and engineering departments, and is used for the setting and curing of concrete and cement test specimens.

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Environmental Testing Equipment

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lbt@lbt.ltd

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YH-40, 60, and 90B All-Stainless Steel Standard Constant-Temperature and Constant-Humidity Curing Cabinets

Description

Product Introduction:

Building on the original curing chamber, this equipment has undergone a series of improvements to its overall design and internal structure. The chamber door is sealed with magnetic sealing strips, and an internal refrigeration system along with a humidification unit have been added. These enhancements result in an aesthetically pleasing appearance and high temperature‑control accuracy. Additionally, the user manual includes a self‑diagnosis and troubleshooting checklist, which users can complete during maintenance and submit to the manufacturer. This feedback helps our factory further enhance product durability throughout the manufacturing process, ensuring that the equipment meets users’ expectations and achieves their intended performance.

Technical Specifications:

Product Specifications	YH40B	YH60B	YH90B
Temperature control accuracy	±1℃
In-box temperature	≤±2℃
Humidity control	≥95% (adjustable)
Operating voltage	220V±10%
Heating power	600W
Compressor power	158W	198W
Unit material	Stainless steel, both inside and out
Internal dimensions	600×510×950mm	1240×510×1000mm	1550×510×1140mm
External dimensions	1040×680×1490mm	1680×650×1460mm	1940×660×1530mm
Can accommodate concrete test specimens.	20 groups	40 groups	60 groups
Internal dimensions mm	600510950	12405101000	15505101140
External dimensions mm	10406801490	16806501460	19406601530
Package dimensions (mm)	11507701600	18107701570	20807701650

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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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It measures heat deflection temperature and Vicat softening temperature of plastics, hard rubber, nylon, insulating materials and fiber-reinforced thermosetting composites. Intelligent temperature control guarantees precise heating rate, ideal for plastic raw material incoming inspection and formula development in plastic factories.

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.

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

This equipment is designed for HDPE, PVC corrugated pipes, plastic drainage pipes and various plastic tubular products. Apart from ring stiffness, ring flexibility and flattening tests, it supports continuous long-term creep tests up to 1000 hours (42 days) as required by industry specifications, widely used for pipe factories and construction quality inspection institutes.

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

Our WDW universal tester is applicable for tension, compression, bending, shearing and peeling tests of metal, plastic, rubber and composite materials. It supports test procedures in accordance with GB, ISO, ASTM, DIN, JIS multiple domestic and global standards. Equipped with high-precision servo drive and dedicated test software, it automatically collects, calculates and exports test data including tensile strength, elongation at break and elastic modulus.

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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YH-40, 60, and 90B All-Stainless Steel Standard Constant-Temperature and Constant-Humidity Curing Cabinets

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