CYREZ® 963

Principal: allnex Crosslinkers

Functions: Crosslinking Agent

View All Documents

Enhanced TDS

Identification & Functionality

Chemical Family
Function
Crosslinking Agent
Plastics & Elastomers Functions
Product Code
MITM09993
Technologies
Product Families

Features & Benefits

Labeling Claims
Materials Features
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

Applications & Uses

Product Uses
  • This product can also be used in conjunction with methylene acceptors (Alnovol® PN 760 or Resorcinol) in rubber compounds to increase modulus, tensile, stiffness and hardness.
  • Cyrez® 963 can be used at the following levels for initial evaluations.

Suggested Levels

  • Cyrez® 963 2 - 5 phr
  • Alnovol® PN 760 1.5 - 3 phr or Resorcinol 1,5 - 3 phr or Resorcinol formaldehyde resin 2 - 4 phr
Product Applications
  • Cyrez® 963 finds wide application as adhesion promoter and crosslinker for bonding rubber to organic cord and wire reinforcement materials.
  • Cyrez® 963 (HMMM) offers several advantages over the older hexa methylene tetramine (HEXA or HMT) system.
  • Cyrez® resins are relatively nontoxic and present little hazard of dermatitis.
  • An additional advantage is that they 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® resin offers the ultimate in rubber adhesion giving optimum bonding strength.
  • Hexa methoxy methyl melamine (HMMM) as crosslinker for adhesion promoting and reinforcing systems in rubber applications

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 storage stability packed in original containers amounts to at least 365 days.

Other

Appearance
Clear liquid
Appearance (SDS)
Liquid
Color (SDS)
Colorless
Insoluble in (SDS)
Water
Item Number
Odor (SDS)
Formaldehyde
Other Hazards
Not applicable
USA/DOT UN Number
Not Applicable
Optical Properties
ValueUnitsTest Method / Conditions
Color Scalemax. 70.0Hazen
Shelf Life & Stability
ValueUnitsTest Method / Conditions
Shelf Life365.0d
Physical Properties
ValueUnitsTest Method / Conditions
Density1.192-1.202g/cm³At 20°C
Viscosity2600.0-5000.0mPa.sat 23°C
Material Composition
ValueUnitsTest Method / Conditions
Non-Volatile Contentmin. 98.0%
Application Information
ValueUnitsTest Method / Conditions
Dosage (Use Level)5.0-15.0phr
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Autoignition Temperature (SDS)325.0°C
Density (SDS)1.1-1.3g/cm³
Flash Point (SDS)min. 93.0°CPensky-Martens Closed Cup (PMCC)
Melting Point (SDS)3450.0°Fafter loss of water of hydration at elevated temperatures
Melting Point (SDS)3450.0°Fafter loss of water of hydration at elevated temperatures
Melting Point (SDS)3450.0°Fafter loss of water of hydration at elevated temperatures
Melting Point (SDS)3450.0°Fafter loss of water of hydration at elevated temperatures
Solubility In Water (SDS)0.0-11.0%
Vapor Pressure (SDS)approx. 18.5mm Hg