MOCA-Ⅱ | Aromatic diamine chain extender
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Product Description
Product Details
Features and uses
This ordinary grade MOCA product is a cost-effective aromatic diamine chain extender, mainly used as a chain extender or curing agent for cast polyurethane elastomers and paving materials, waterproof coatings, adhesives and other elastic materials.
These polyurethane materials have excellent performance and are widely used in machinery, construction, transportation (cars/ships/aircrafts/railways/roads/bridges), mining industry, electronics and sports facilities.
Specific applications include: skateboard wheels, various rubber rollers, mold liners, cyclones, transmission belts, couplings, screens, sealing products and other cast PU products; PU plastic floors and sports fields, building waterproof coatings, electronic components sealing and insulation, etc.
MOCA can also be used as a curing agent for epoxy resin.
Specification
Appearance | Light yellow powder or granules |
Initial melting point °C | ≥102.0 |
Moisture % | ≤0.15 |
Solid density (24℃)/ (g/cm3) | 1.43-1.45 |
Density of molten liquid (107℃)/ (g/cm3) | 1.24-1.28 |
Amine equivalent | 131-136 |
Free amine % | ＜1.00 |
Light transmittance | |
Acetone insoluble matter % | ＜0.04 |
Packaging and storage
25kg, waterproof kraft paper bag lined with black plastic bag.
Store in a dry place away from light. Shelf life is 2 years. If stored beyond the shelf life, it can still be used after the main application indicators are tested and qualified.
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