Enhanced TDS
Identification & Functionality
- Chemical Family
- Function
- Crosslinking Agent
- Plastics & Elastomers Functions
- Product Code
- MITM15468
- Technologies
- Product Families
Features & Benefits
- Labeling Claims
- Materials Features
- Key Features
- CYREZ® 400 offers several advantages over the older hexa methylene tetramine (HEXA or HMT) system.
- CYREZ® resins are not corrosive to steel cord, polyester cord or metal molds. This property is important when considering adhesion promoters.
- CYREZ® resins are much more suitable as methylene donors, as opposed to HMT which produces ammonia.
- When used in conjunction with ALNOVOL® PN 760 or resorcinol, CYREZ® resins offer the ultimate in rubber adhesion giving optimum bonding strength.
- Product Benefits
- No skin irritation.
- No amine or ammonia by-product
- Better scorch protection than provided by HMT
- No corrosive effects on steel and brass/bronze coated steel
- Ease of handling
- Low dust level
- High loading
Applications & Uses
- Product Uses
Hexa methoxy methyl melamine (HMMM) as crosslinker for adhesion promoting and reinforcing systems in rubber applications
- Product Applications
- CYREZ® 400 is used in applications as a methylene donor in the "HRH" dry rubber adhesion systems for bonding rubber to organic cord and wire reinforcement materials.
- To improve adhesion as well as physical properties CYREZ® 400 should be used together with silica in the compound.
Suggested levels of resins are:
CYREZ® 1.5 - 4 phr
ALNOVOL PN 760 1.5 - 3 phr or Resorcinol 1.5 - 3 phr or Resorcinol formaldehyde resin 2 - 4 phr- CYREZ® 400 can be used in conjunction with methylene acceptors (ALNOVOL® PN 160 or ALNOVOL® PN 320) in rubber compounds to increase modulus, tensile, stiffness and hardness.
- The ratio within this dosage should be ALNOVOL : CYREZ® 7:3 (calculated on active).
Properties
- Physical Form
Regulatory & Compliance
- Certifications & Compliance
- Contains any chemicals listed on Prop 65 (including impurities, residues, catalysts, monomers, and by-products and excluding heavy metals)?
Packaging & Availability
- Packaging Type
Principal Information
- Group Principal Number
- S000001
- Principal
Storage & Handling
- Storage Conditions
At temperatures up to 35°C and by protection from sources of moisture storage stability in original containers amounts to at least 365 days. '
Other
- Appearance
- White free flowing powder
- Appearance (SDS)
- Powder
- Color (SDS)
- White
- Insoluble in (SDS)
- Water
- Item Number
- Odor (SDS)
- Formaldehyde
- Other Hazards
- Contains finely divided material . May form flammable/explosive dust-air mixture .
- USA/DOT UN Number
- Not Applicable
- Chemical Properties
Value Units Test Method / Conditions Ash Content 24.0-28.0 % Microwave oven at 800°C - Shelf Life & Stability
Value Units Test Method / Conditions Shelf Life 365.0 d - Physical Properties
Value Units Test Method / Conditions Sieve Fractionation (Through) min. 99.7 % Wet Granulometry 80 mesh - Material Composition
Value Units Test Method / Conditions Active Silica Content 72.0 % - Application Information
Value Units Test Method / Conditions Dosage (Use Level) 5.0-15.0 phr - SDS Physical and Chemical Properties
Value Units Test Method / Conditions Density (SDS) 1.4 g/cm³ Volatile Content (SDS) max. 4.0 %(W/W)