PU Hardener
Price:Negotiable
Contact Info
- Add:11, GANGNAM-DAERO 18-GIL, SEOCHO-GU, SEOUL, KOREA, Zip: 137-130
- Contact: Mr. S.W.PARK
- Tel:+82-2-2155-5842
- Email:export@youngscorp.com
Other Products
Description
Additional Information
MOCA
(ISOCROSS SM)
Description
ISOCROSS SM is equivalent to MOCA; it is recommended as curative for urethane prepolymers and epoxy. ISOCROSS SM offers adequate pot life and excellent mechanical properties to the cured goods.
Applications
Cast elastomers for rollers, wheels, prototype tools and parts, molds.
Coatings for concrete or masonry, recreational flooring, water-proofing roof and wall.
Specification
Chemical name |
CAS Registry No. |
Structural formula |
Molecular weight |
4,4'-METHYLENE-BIS-(2-CHLOROANILINE) |
101-14-4 |
267.16 |
Appearance Particle size | Yellowish cylindrical pellet L×W≒5m/m ×3m/m |
Melting point | ＞98℃ |
Color | ＜8 Gardner |
Moisture | ＜0.1% |
Specific density | 1.26/107℃ |
Amine Value | 7.4 ~ 7.6m mole/g |
Free Aniline | ＜1.0% |
Solubility | soluble in DMF, MEK, TOL |
Toxicity | LD50 750mg/kg |
Features
Pale color and high purity – can be used for no color goods.
No dust and uncomfortable odor – reduce exposure to hazardous materials.
Uniform particle size – easy to handle and melt.
Calculation of curative weight ratios
For 100 parts of urethane prepolymers, the recommended ISOCROSS SM is
“ prepolymer NCO % × 3.18 × R (R=0.9 ~1.0)”
Packing
25kg net per paper bag or 50kg net per fiber drum (inner polyethylene bag)
Safety and handling
Please refer to MSDS before using.
Please not long term heating ISOCROSS SM above 100℃ in the open system, in order to maintain the consistent color.
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