MOLYKOTE 7508 Silicone-Based Valve Grease for Ceramic Discs in Water Taps - NSF/ANSI 61 Certified
Product Description
MOLYKOTE 7508 Valve Grease: Silicone-Based Lubricant for Ceramic Discs in Water Taps
MOLYKOTE® 7508 is a semi-fluid silicone-based grease specifically engineered for ceramic discs in water taps and valves. This specialized lubricant operates effectively within a wide temperature range of -40°C to 200°C, meets NSF/ANSI 61 standards for potable water contact, resists water washout, and significantly extends the service life of ceramic components.
Product Composition & Application
The grease formulation consists of silicone oil, white solid lubricant, and sedimentation inhibitor, presenting as a tacky white semi-fluid material. It is suitable for ceramic discs in single-lever mixer taps, as well as rubber gaskets and plastic components.
Application Instructions
Before application, any separated base oil should be thoroughly mixed back into the grease. Apply to completely cleaned surfaces using brushes, spatulas, or appropriate dispensing equipment.
Technical Specifications
Property
Test Standard
Unit
Result
Color
-
-
White
Viscosity at 25°C
-
mPa*s
30,000-85,000
Density
-
g/cm³
1.1
Service Temperature
-
°C
-40 to 200
Water Resistance (90°C)
DIN 51807 pt.1
-
0
Special Characteristics
Prevents hard water residue buildup on ceramic components
Excellent water resistance (score of 0 in DIN 51807 pt.1 static water resistance test at 90°C)
36-month shelf life when stored unopened in cool, dark conditions
Application Scenarios
MOLYKOTE® 7508 is widely used for lubricating ceramic discs in household and commercial hot/cold water applications, including:
Kitchen and bathroom single-lever mixers
Thermostatic valves
Industrial valve sealing systems
NSF/ANSI 61 certification ensures suitability for potable water contact applications.
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About Our Company
Shenzhen Huazhisheng New Material Technology Co., Ltd. is a professional industrial adhesives and sealants supplier based in China, serving global markets since 2018.
Market Distribution
Mainland China (60%), Southeast Asia (20%), North America (10%), and Europe (10%)
Product Portfolio
We supply high-performance adhesives and sealants from global industry leaders including Cemedine, Dow Corning, Shin-Etsu, Araldite, and Momentive.
Quality Assurance
Mandatory pre-production samples approval
Final inspection by QC team before shipment
International certifications: SGS, UL, FDA, RoHS, REACH
Our Advantages
Reliable Supply: Authentic products from top manufacturers
Expert Support: Technical guidance for product selection
Global Compliance: Certifications meeting target market standards
Efficient Service: Customized solutions & professional support