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 rich experience in exporting hazardous chemicals, covering Class 5.2 (including products for cold chain transportation), Class 3 and Class 9 dangerous goods. Our services have been extended to more than 40 countries worldwide, including the Middle East, Central Asia and Eastern Europe.

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