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Cycloaliphatic Epoxy Resin Product No.:TTA21

  • Synonyms:                 3,4-Epoxycyclohexylmethyl 3,4-
                                         Epoxycylohexane Carboxylate

    CAS RN :                     2386-87-0

    EINECS :                      219-207-4

    Molecular Formula:    C14H20O4

    Molecular Weight:      252.31

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      TTA21 is a general-purpose cycloaliphatic diepoxide used principally with polyacid and anhydride cures. In particular, it provides good electrical loss properties, good weathering and high-heat-distortion temperature.


Brand Name
Equivalent to UVR6110, ERL4221E,CY179 / UVR6105,CEL2021P
Pale yellow to colorless liquid
Assay 90% min 95% min 97% min
Weight per epoxide 128-145 126-135 126-135
Color (Pt-Co) 100 APHA max 50 APHA max 50 APHA max
Viscosity 180-450 cP 220-450 cP 220-450 cP
Water 0.05% max 0.05% max 0.05% max
Acidity 0.1% max / /
Total Chlorine / / 100ppm max
Density 1.15. - 1.180
Package 200kgs Drums or 1mt IBC Drum
Shelt life 2 years


1、Optical adhesives and photo curing products: such as potting of optoelectronic devices, CD manufacturing, low-viscosity UV-curing printing inks etc. 

2、Outdoor electrical and electronic products in electrical casting and electronic encapsulation; especially for insulation encapsulation and adhesive bonding and electronic products for those which request high resistance to Cold & Thermal Shock.

3、Outdoor coating and solvent-free coating with better weather resistant than acrylic - polyurethane coating.

4、Active diluent: Good dilution effect without bubbles and exudate, high surface finish, No effect on the basic performance of curing material of epoxy resin, such as curing shrinkage, heat distortion temperature, impact strength and tensile strength.

5、Electrical and electronic products, civil construction, anti-corrosion coatings and other general application of bisphenol A epoxy resin. Widely used in casting, winding, encapsulation, coatings, adhesives and other fields.

6、Polyvinyl chloride polycarbonate stabilizer, oil (Lubricating oil, cylinder oil, transformer oil) additives, etc.

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