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MOLYKOTE® 7508 Valve Grease – Lubricant – Transportation & Industrial

  • Item Name: MOLYKOTE® 7508 Valve Grease
  • Manufacturer: DuPont
  • Technologies: Silicone-based semi-fluid lubricating grease
  • Color: White
  • Cure Type: Contact to Avantek for details.
  • Package Size: Contact to Avantek for details.
  • Shelf Life: 36 months

1. Product Overview

MOLYKOTE® 7508 Valve Grease is a silicone-based, semi-fluid lubricating grease designed for ceramic discs in water taps, faucets, and valves.

Key Features:

  • Wide service temperature range: -40°C to 200°C
  • Prevents hard water residue buildup
  • Resists water washout
  • Extends service life of ceramic discs
  • Meets NSF/ANSI 61 standard (for drinking water safety)

Composition:

  • Silicone oil
  • White solid lubricant
  • Sedimentation inhibitor

2. Applications

  • Lubrication of ceramic discs in water taps and faucets, particularly single-lever mixers
  • Can also be used on rubber gaskets and plastic components

3. Typical Properties

Property Test Standard Unit Result
Color White
Viscosity at 25°C mPas 30,000 – 85,000
Density g/cm³ 1.1
Service Temperature Range °C -40 to 200
Water Resistance (static, 90°C) DIN 51807 pt. 1 0 (Excellent)

4. Usage & Application

Preparation:

  • If base oil separation occurs, mix it back into the grease
  • Ensure surfaces are clean and dry before application

Application Method:

  • Apply using brush, spatula, or dispensing equipment

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