Showa Ripoxy CP-819EX Epoxy Vinyl Ester Resin Primer

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1. Introduction Ripoxy CP-819EX is a bisphenol A vinyl ester resin with excellent adhesion to concrete and good workability.

2. Characteristics

Excellent chemical resistance
Good adhesion to concrete
More suitable for dry and high-moisture concrete than epoxy and polyurethane primers
100% Reactive

3. Liquid properties

Appearance: light brown liquid
Specific gravity: 1.02
Acid value: 1-8 (KOHmg/g)
Shelf life: 60 minutes or more
Viscosity: 0.01-0.04 Pa's at 25°C

4. Working conditions

Weather: above 5°C, humidity not exceeding 85%, no dew
Substrate treatment: no water, remove emulsion from concrete surface
Tools: brush, roller brush or sprayer
Curing time: 3-10 hours
Recoating interval: no adhesion sensation - within 7 days

5. Storage period 90 days (below 20°C, in the shade)

6. Curing performance

RIPOXY CP-819EX
Curing agent: 50% benzoyl peroxide
Promoter: Cobalt octanoate (8% metal) and dimethylaniline

Temperature/composition ratio/BPO%/C%/DMA%/Gel time (min)

20°C/6.0/3.6/0.4/35-45
30°C/4.0/3.6/0.4/50-60
35°C/4.0/3.6/0.4/35-45
50°C/3.1/36/0.4/50-60

We offer our products for sale in mainland China (in compliance withRegulations on the Administration of Internet Sales of Hazardous Chemicals ) and some of the products of the global export services, providing dangerous goods packaging containers, "outbound dangerous goods transportation packaging use identification results list", "outbound cargo inspection and quarantine" and other export procedures.
We have experience in exporting hazardous chemicals, including Class 5.2 Dangerous Goods with Cold Chain Transportation Products, Class 3 Dangerous Goods and Class 9 Dangerous Goods, etc., and have exported to the United States of America, Russia, Turkey, India, Ukraine and other countries.

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