Oriental Yuhong Tujiajia Soundproof Cotton Damping Sheet for Drainage Pipe Bathroom Pipeline Type 110 (2cm Thick) 5-Meter Set

Product Specifications

1. Brand Information Brand: Oriental Yuhong Experience: 29 years specializing in water systems Annual Sales: Over 30 billion RMB (data from 2023 Oriental Yuhong Annual Report) Research & Development: Postdoctoral research station, Nationally recognized enterprise technology center Facilities: 64 production, R&D, and logistics bases Market Coverage: Business spans 141 countries and regions

2. Product Overview Product Names: Tujiajia Soundproof Cotton & Damping Sheet Target Users: Noise-sensitive individuals seeking a quiet living environment Key Features: Dual-frequency noise reduction, damping shock absorption, persistent adhesion, easy installation

3. Noise Reduction Performance Noise Levels (dB) Comparison:

* Renovation noise: 100 dB

* Electric drill: 80-70 dB

* Normal conversation: 60-50 dB

* Quiet environment: 40-30 dB

* Library level: 30 dB

* Quiet night with soundproof cotton: 20-10 dB Noise Frequency Range: 100 Hz to 2000 Hz Noise Types Addressed: Low-frequency pipe vibration and water flow noise; high-frequency water impact and air resonance Data Source: In-house experiments; actual soundproofing effect may vary due to material and environmental factors

4. Material Composition and Technology Soundproof Cotton:

* High-density virgin soundproof cotton with fine foam and small pores for effective noise absorption

* Honeycomb structure to reduce vibration Damping Sheet:

* 2mm thick damping sheet made of 99% pure aluminum

* Elastic-plastic butyl rubber for strong, long-lasting adhesion and shock absorption Composite Layers:

* Special multi-layer composite aluminum foil for waterproof, moisture-proof, and durable performance

* High polymer self-adhesive glue

* 2mm high-purity 3D thickened aluminum sheet Quality Control: Five strict manufacturing processes ensure consistent internal and external quality

5. Physical and Environmental Properties Temperature Resistance: Anti-freeze and heat resistant, suitable for -40°C to 20°C environments Fire Resistance: Upgraded flame-retardant soundproof cotton

6. Product Specifications Soundproof Cotton:

* Material: Rubber-plastic cotton + aluminum foil

* Sizes: 50 type, 75 type, 110 type, 160 type

* Thickness: 1 cm, 2 cm Damping Sheet:

* Material: Golden honeycomb aluminum sheet + thickened strong adhesive butyl rubber

* Sizes: 50 type, 75 type, 110 type, 160 type

* Note: Thickness may vary due to transportation compression and temperature; typical deviation within 20%. Thickness may slightly expand after application to normal levels.

7. Installation Instructions (Example for Pipe Elbow) Clean pipe surface with towel Cut damping sheet into three parts Trim soundproof cotton edges into triangles Attach damping sheets to top and bottom of pipe elbow Peel off adhesive backing of soundproof cotton, seal cut edges with tape, align and stick on pipe elbow Secure with cable ties tightly

8. Comparative Advantages Soundproof Cotton: Superior virgin cotton with fine foam and uniform thickness compared to inferior secondary composite cotton with coarse foam and uneven thickness Butyl Rubber: Strong adhesion and tight fit compared to poor-quality butyl rubber prone to detachment Aluminum Foil: Multi-layer composite foil offers enhanced waterproofing and durability

End of Specifications