Skip to content
Pro-grade auto-body supply ยท Any quantity ยท 13,000+ SKUs in stock
13,000+ pro-grade SKUs in stock
Order in โ€” ยท ships today Ships next business day
US Chemical & Plastics

US Chemical & Plastics 2820-1 Urethane Primer Surfacer, 1 gal Can, Gray, 2 hr Curing

No reviews yet
$144.45
In stock
Order within โ€” โ€” ships today
Free shipping over $99 โ€” this order qualifies
Authorized dealer
Ships today
30-day returns
Overview

Built for the booth.

USCยฎ 2820โ„ข 2K Urethane Primer Surfacer builds fast, levels smoothly, dries quickly and sands easily to a smooth surface that resists sand scratch swelling. 2820โ„ข Primer Surfacer is ideal for use on treated bare substrates, sanded OE finishes and body fillers.

Why Pros Choose US Chemical & Plastics USC

  • Four parts primer to one part activator
  • A production centric primer surfacer that builds, dries and sands fast and easy

How to Use

For bare substrates, sanded OE finishes, body fillers

Compatibility

Compatible substrates: Body Filler.

Compatible paint systems: Urethane, 2K.

Specifications

Technical specifications for USCยฎ 2820-1 Urethane Primer Surfacer, 1 gal Can, Gray, 2 hr Curing
Part No. 2820-1
Product Line USC
MFR Model 2820-1
Application For bare substrates, sanded OE finishes, body fillers
Manufacturer US Chemical & Plastics
UPC 037307890881
Brand USCยฎ
Maximum Sale Quantity 4
Maximum Sale Day 7
Rubberized No
Solids Content 54.4%
Color Gray
Container Type Can
Form Liquid
Container Size (gal) 1
Mixing Ratio 4:1

About US Chemical & Plastics

US Chemical & Plastics is a trusted manufacturer of professional auto body and refinish products used by collision repair shops and restoration specialists across North America.

Frequently Asked Questions

What surfaces can US Chemical & Plastics USC be used on?

US Chemical & Plastics USC is compatible with Body Filler. Always ensure the surface is properly cleaned, degreased, and sanded before application to achieve the strongest adhesion and a professional finish.

What size does US Chemical & Plastics USC come in?

This listing ships US Chemical & Plastics USC in a 1 (GL) container. Check the autofxmart catalog for other sizes and bulk pricing.

What is the mix ratio for US Chemical & Plastics USC?

US Chemical & Plastics USC uses a mix ratio of 4:1. Always measure activators and reducers accurately to maintain film properties and pot life โ€” deviating from the ratio can cause adhesion or curing problems.

How fast does autofxmart ship US Chemical & Plastics USC?

Most in-stock orders for US Chemical & Plastics USC ship the same or next business day from our US warehouse. Expedited options are available at checkout. Freight-class items may require an additional 1โ€“2 days for carrier pickup.

Is this US Chemical & Plastics product genuine?

Yes. autofxmart is an authorized distributor of US Chemical & Plastics products. Every unit is factory-fresh, sealed, and backed by the manufacturer's standard warranty. If you have a concern, contact support@autofxmart.com and we will make it right.

What is the manufacturer part number (MPN) for US Chemical & Plastics USC?

The MPN for US Chemical & Plastics USC is 2820-1. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.

Documents & Safety

Why Buy from autofxmart

  • Authorized distributor โ€” authentic, factory-fresh stock.
  • Fast US shipping โ€” most orders ship within 1 business day.
  • 30-day returns โ€” buy with confidence.
  • Pro-shop pricing โ€” bulk discounts available on request.
  • Expert support โ€” questions? Email us at support@autofxmart.com.
Get the mix right

Mix & coverage calculator

Locked to this product's ratio of 4:1 (clear : hardener).

Clearcoat to spray
5L
Your batch4:1
Clearcoat5
Hardener2.5 L
Ready to spray7.5 L
How to apply

Steps

1Clean and degrease the surface, then scuff as needed.
2Mask off surrounding panels and trim.
3Mix to the product's ratio and strain.
4Apply 2โ€“3 even coats, flashing between each.
5Let cure fully before sanding, buffing, or assembly.
Specifications

Full data

BrandUS Chemical & Plastics
Part #2820-1
UPC037307890881
ApplicationFor bare substrates, sanded OE finishes, body fillers
Size1
ColorGray
OriginUS
ConditionNew
RubberizedNo
Frequently asked

Good to know

US Chemical & Plastics USC is compatible with Body Filler. Always ensure the surface is properly cleaned, degreased, and sanded before application to achieve the strongest adhesion and a professional finish.
This listing ships US Chemical & Plastics USC in a 1 (GL) container. Check the autofxmart catalog for other sizes and bulk pricing.
US Chemical & Plastics USC uses a mix ratio of 4:1. Always measure activators and reducers accurately to maintain film properties and pot life โ€” deviating from the ratio can cause adhesion or curing problems.
Most in-stock orders for US Chemical & Plastics USC ship the same or next business day from our US warehouse. Expedited options are available at checkout. Freight-class items may require an additional 1โ€“2 days for carrier pickup.
Yes. autofxmart is an authorized distributor of US Chemical & Plastics products. Every unit is factory-fresh, sealed, and backed by the manufacturer's standard warranty. If you have a concern, contact support@autofxmart.com and we will make it right.

What Our Customers Say

Thanks! Your review was submitted and will appear after moderation.

No reviews yet โ€” be the first to review this product.