Guangdong Yrbest High Polymer Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of waterproof glue in China. Welcome to buy durable waterproof glue at competitive price from our factory. If you have any enquiry about quotation and free sample, please feel free to email us.
Product Introduction

Waterproof glue DU270 was developed specifically for products that are used in damp, harsh environments for long periods-ensuring they bond strong and last long. Its biggest strengths are exceptional waterproof performance and excellent anti-yellowing properties. Put those two together, and the product can handle both water immersion and sun exposure without losing its appearance or bond strength. Application is flexible: for general requirements, just apply it directly; for really tough conditions, add 3–5% Hardener R820 to increase crosslink density, which significantly boosts chemical resistance and flexibility-making it more capable under demanding conditions.
This water-based contact adhesive is especially suitable for products that need both waterproofing and color stability. It bonds well to plastics, composites, textiles, and various treated surfaces. Because it doesn't yellow, it's particularly good for light-colored or transparent components. Waterproof glue DU270 offers a reliable waterproofing solution for outdoor, coastal, or persistently humid environments.
DU270 delivers strong bonding strength, while the adhesive layer itself is both waterproof and flexible-so it resists delamination even when temperatures fluctuate or stress is applied repeatedly. It's widely used in shoe manufacturing for waterproof stitching, as well as in outdoor gear, automotive interiors, and precision industrial sealing. It's especially worth mentioning that it works great as diving shoe glue, outdoor shoe glue, and hiking boot adhesive. Eco-friendly, versatile, high-performance-with waterproofing, anti-yellowing, and strong bonding all in one-waterproof glue DU270 has become the top choice for manufacturers who put quality and durability first.
Product Parameter
|
Product Model |
DU270 |
|
Appearance |
Transparent viscous liquid |
|
Viscosity (cps/25°C) |
3000±200 |
|
Storage Period (5~35°C) |
6 months |
Product Feature and Application

- Before use, add 3–5% hardener and mix thoroughly.
- After the shoe material surface is prepared and dried, apply this adhesive evenly with a brush. Ensure full and uniform coverage, avoiding insufficient glue or excessive buildup.
- Drying time: Dry in an oven at 55–65°C for 3–5 minutes.
Precautions
Conduct a prior test before full-scale application.
Keep this chemical product away from children, fire, and moisture.
Store in a cool and dry place (5-35°C).
For more information, please read Material Safety Data Sheet.
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