STEEL-IT 4907G is a two-component epoxy topcoat in a 2 gallon kit with 316L stainless leafing pigment for metal and fab work. Parts A and B mix into a finish with chemical resistance, abrasion resistance, and a hard metallic barrier on plant equipment.
STEEL-IT 4907G is a two-component epoxy topcoat in a 2 gallon kit (Parts A and B) loaded with 316L stainless leafing pigment. It finishes steel and aluminum that need chemical and abrasion resistance on plant and fab equipment, and it is the topcoat half of the STEEL-IT 4210/4907 epoxy system used for harsh-service metal coating work outdoors and inside.
| Property | Value |
|---|---|
| Catalog number | 4907G |
| Packaging | 2 gallon kit (Parts A and B) |
| Chemistry | Two-component epoxy with 316L stainless leafing pigment |
| Mix ratio | 1:1 by volume, then 45-minute induction |
| Pot life | 6 to 8 hours |
| Coverage @ 3 mils DFT | Approximately 185 sq ft/gal |
| Application temperature | 50°F to 100°F (10°C to 38°C) |
| Dry to touch | Approximately 2 hours |
| Recoat window | 12 to 24 hours |
| Full service | Ideally 5 to 7 days |
Product documents: STEEL-IT 4210 / 4907 Epoxy System Application Guide
What jobs is STEEL-IT 4907G made for?
STEEL-IT 4907G is the epoxy topcoat kit for steel and aluminum equipment that needs a hard metallic finish with chemical and abrasion resistance. It is the topcoat half of the STEEL-IT 4210/4907 epoxy system used on plant and fab work.
What mix ratio and induction does the 4907 kit need?
Mix Parts A and B 1 to 1 by volume, then allow a 45-minute induction before placement. The application guide lists a 6 to 8 hour pot life after mix. Power agitation of each component before mix is required; hand stirring is not enough.
What film build does the epoxy system call for with STEEL-IT 4907G?
The guide typically calls for one coat of 4210 precoat at approximately 3 mils DFT and one coat of 4907 topcoat at approximately 3 mils DFT. A second 4907 topcoat at approximately 3 mils DFT can be added for harsh chemical, abrasion, or impact service. Approximately 7 mils wet film of 4907 targets approximately 3 mils DFT.
What temperature window applies when placing STEEL-IT 4907G?
Apply when ambient and substrate temperatures are 50 F to 100 F (10 C to 38 C), relative humidity is under 85 percent, and the substrate stays at least 5 F above dew point. Dry to touch is approximately 2 hours; recoat window is 12 to 24 hours.
Which other STEEL-IT packs sit with this epoxy finish?
The sister finish kit is STEEL-IT 4907Q (2 quart). The matching precoat is STEEL-IT 4210G (2 gallon) or 4210Q (2 quart). 4210 is a different product from 4907 and is not a size swap of the 4907 finish.
What coverage and service timing does the guide list for 4907?
Practical coverage is approximately 185 sq ft per gallon at 3 mils DFT assuming 20 percent overspray loss. Light duty use is approximately 36 hours; the guide prefers waiting 5 to 7 days before full service. Hardness and chemical resistance keep building for approximately two weeks.
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