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LBTA-254 New‑Standard Rubber Compression Set Tester (SUS303 Stainless Steel)

This device is a standard fixture specifically designed for the precise measurement of compression set in vulcanized and thermoplastic rubbers. It is entirely manufactured from SUS303 (a Japanese grade corresponding to AISI 303 and 1.4305) and fully complies with the requirements of standards such as GB/T 7759.1, ISO 815, and GB/T 1683.

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Testing machine accessories, fixtures, and tooling components

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lbt@lbt.ltd

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LBTA-254 New‑Standard Rubber Compression Set Tester (SUS303 Stainless Steel)

Description

Product Introduction:

This device is a standard fixture specifically designed for the precise measurement of compression set in vulcanized and thermoplastic rubbers. It is manufactured entirely from SUS303 (a Japanese grade corresponding to AISI 303 and 1.4305) and fully complies with standards such as GB/T 7759.1, ISO 815, and GB/T 1683. Under ambient‑temperature and elevated‑temperature aging conditions, it employs precision stop blocks to maintain fixed compression ratios (10%, 15%, or 25%), enabling constant‑strain loading and long‑term pressure maintenance on rubber specimens. It is widely used for performance evaluation in applications involving rubber seals, vibration‑damping components, rubber compound formulation development, and quality‑control laboratories.

Technical Specifications:

Name	New Standard Rubber Compression Set Tester
Material	SUS303 stainless steel
Surface treatment	Nickel plating
Scope of Use	Precise limit blocks are used to control a fixed compression ratio (10%/15%/25%), enabling constant‑strain loading and long‑term pressure maintenance on rubber specimens.
Fixture Specifications	Type A specimen: 10%/15%/25% Restrainer dimensions: 11.25–11.3, 10.6–10.7, 9.3–9.4. Type B specimen: 10%/15%/25% Retainer dimensions: 5.65–5.7, 5.3–5.4, 4.7–4.8. The limiter’s thickness tolerance is ±0.01 mm. The fixture has an outer diameter of 115 mm, Weight: 2.3 kg Reference: GB/T 7759.1-2015

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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.

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?

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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LBTA-254 New‑Standard Rubber Compression Set Tester (SUS303 Stainless Steel)

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