Sealant (伸缩缝密封膏) Price Factors and Purchasing Guide for Engineering Projects

发布于 2026-10-11

Hengshui Zhanhe Engineering Rubber Co., Ltd. supplies sealant (伸缩缝密封膏) and related engineering rubber products to contractors, distributors and infrastructure projects worldwide. Sealant (伸缩缝密封膏) is a key product used for waterproof sealing. It is designed for long-term service under site conditions and can be supplied according to project drawings.

This article explains the working principle, main types, typical applications, installation points, selection criteria, standards and frequently asked questions about sealant (伸缩缝密封膏), and is intended for engineers, purchasers and project managers.

1. What Is Sealant (伸缩缝密封膏)?

Sealant (伸缩缝密封膏) is a key product used for waterproof sealing. It is designed for long-term service under site conditions and can be supplied according to project drawings.

Working principle: Sealant (伸缩缝密封膏) works through elastic deformation and mechanical interlock to maintain function under load, displacement and environmental exposure.

2. Main Types

• <strong>Sealant - Standard</strong>: Supplied according to project drawings; 按现行标准常用规格生产，适用于变形缝、施工缝、沉降缝与结构接缝的一般工况，性价比较高。
• <strong>Sealant - Reinforced</strong>: Supplied according to project drawings; 增大断面尺寸或提高材料强度，适用于位移量较大、荷载较高或耐久性要求更严的部位。
• <strong>Sealant - Custom</strong>: Supplied according to project drawings; 复合钢边、织物夹层或遇水膨胀线，兼顾强度、变形适应性与密封可靠性。

3. Typical Applications

• Basements, underground parking and water tanks.
• Metro stations, tunnels and utility tunnels.
• Water treatment plants, pump stations and reservoirs.

4. Installation and Construction Points

1. Check the delivered items against the drawings and specification before installation.
2. Prepare the substrate: clean, sound and free from loose material or standing water.
3. Position and fix the product strictly to the design alignment and level.
4. Protect the material from mechanical damage and direct heat during concreting.
5. Carry out inspection and testing (e.g. water test) before handing over.

5. Selection Guide

• Confirm the design displacement, load grade and service environment before ordering.
• Select material grade according to temperature range, medium and durability requirements.
• Provide drawings or a specification list so that the manufacturer can verify sizes.

6. Standards and Quality Control

Sealant (伸缩缝密封膏) is manufactured and inspected according to applicable national and industry standards. Hengshui Zhanhe Engineering Rubber Co., Ltd. carries out batch inspection before delivery, and inspection certificates together with third-party test reports (where required by the project) can be provided.

Typical standards applied to this product family include Chinese national and transportation industry standards; equivalent international standards can be referenced upon request.

7. FAQ

Q: What information is needed for a quotation?

A: Please provide size (width x thickness x length), material grade, applicable standard, application position, quantity and delivery destination.

Q: Do you support custom sizes and OEM?

A: Yes. Non-standard sizes, profiles and packaging can be produced according to drawings or samples.

Q: What is the typical lead time?

A: Standard sizes are usually available from stock; customized items depend on tooling and quantity, typically 7-20 working days.

8. Price Factors

Price depends on size, material grade, quantity, packaging and delivery terms. Please send your specification list for a detailed quotation within 24 hours.

Packing: standard export packing (woven bags, pallets or wooden cases). Delivery terms: EXW, FOB, CFR, CIF or DAP as agreed. Payment terms: T/T, L/C or other terms subject to negotiation.

9. Why Work With Hengshui Zhanhe Engineering Rubber Co., Ltd.

• Manufacturer based in Hengshui, Hebei — the engineering rubber industry cluster in North China, with in-house production and inspection.
• OEM and ODM supported: sizes, hardness, profiles and packaging can be customized to project or market requirements.
• Batch inspection before shipment; certificates of conformity and third-party test reports available when required.
• Technical support for selection, shop drawings and installation guidance, with export packing and worldwide logistics arrangement.

10. Contact and Quotation

For specification sheets, samples, pricing or project support, please contact Hengshui Zhanhe Engineering Rubber Co., Ltd.. Email: export@zhanherubber.com · Tel/WhatsApp: +86-318-8888888 · Factory: No.168 Xiangsu Road, Taocheng District, Hengshui, Hebei, China. We reply to export enquiries within 24 hours on working days.