Tianjin Ruifeng | Thermal strip

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Nylon heat insulation strip

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Hollow heat insulation strip

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Curtain wall heat insulation strip

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Composite warm edge strip

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Non-metallic warm edge strip

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Passive strip

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Polyurethane core profile

Hollow insulating bar

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Curtain wall thermal break

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Composite warm edge spacer

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Non-metallic warm edge spacer

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RF-H12*33.7

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Tianjin Ruifeng Rubber

Tianjin Ruifeng Rubber & Plastic Products Co., Ltd. was founded in 2004. Its factory is located in Huangtai Industrial Park, Jinnan District, Tianjin, adjacent to the Port of Tianjin, boasting prominent advantages in sea and land logistics for export trade. With over two decades of dedicated engagement in the supporting sector of architectural doors and windows, we are an integrated manufacturer of energy-saving building materials for doors and windows that integrates R&D and design, custom mould development, large-scale production, and domestic and international sales.

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2004 Year

Founded in 2004

120 million meters

The annual output

20000 ㎡

Company floor space

100 +

Employees

News & Media

Customer mold special mold, high quality products, good performance, preferential price, good service

What Is Double Glazing Spacer Bar? Types, Benefits & 2026 Complete Guide

This comprehensive guide breaks down everything you need to know about double glazing spacer bars, including core definitions, material performance comparisons, step-by-step selection tips, and solutions to common issues. Backed by 2026 industry data and hands-on production experience from Tianjin Ruifeng, it helps contractors, window manufacturers, and property owners choose the right spacer bar to meet energy efficiency goals.

2026 Ultimate Guide to Premium Double Glazing Spacer Bar Solutions

This 2026 SEO optimized guide covers full definition, type performance comparison, step-by-step installation tutorial, ROI calculation and real case data of double glazing spacer bar, based on Tianjin Ruifeng’s 18 years of on-site production experience. It answers all top user queries collected from Google search console, providing actionable references for window manufacturers, contractors and distributors, and meets latest E-E-A-T evaluation standards.

2019-01-01

Insulation strips Introduction and instructions for nylon 66 insulation strips

The use of nylon 66 heat insulation strip Insulation strips made of polyamide are dry when they are first produced, but then they will gradually absorb moisture from the surrounding environment.

2019-01-01

New fire-retardant heat insulation strip

One industry overview Thermal insulation broken bridge aluminum: aluminum alloy profile + nylon heat insulation strip Two fire prevention trends

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Customer mold special mold, high quality products, good performance, preferential price, good service

FAQ

Frequently Asked Questions

6 big differences between single and double heat insulation strips

For the heat-insulated broken bridge window profile that wears a single strip, its shear strength, especially under high temperature conditions, is not easy to meet the national standard requirements.

Do you know why the broken bridge aluminum door and window heat insulation strip is used in the broken bridge aluminum door and window?

In broken bridge aluminum doors and windows, we usually use heat insulation strips as one of the materials. When choosing insulation strips, you should consider the following questions:

Why choose glass fiber reinforced 25% nylon for nylon heat insulation strips

Nylon 66 is a cost-effective engineering plastic with high mechanical properties. However, nylon 66 is a synthetic organic polymer material that has inherent properties of polymer materials, such as creep.

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