Overview
Built for the booth.
HIT.7420 High Build 2K Urethane Primer/Sealer/Direct to Metal has superior filling capabilities because of its high solids content, making it excellent for filling medium to deep sand scratches. This 2K HB Primer provides excellent color holdout under all urethane finishes with no shrinkage. It is fast drying and…
High Teck 7420-4 is a two-component urethane primer designed for high-build applications and sealing in professional collision repair environments. This gray primer provides excellent coverage and build characteristics when mixed at a 4:1 ratio, making it ideal for filling minor surface imperfections and creating a smooth, uniform base for topcoat systems.
The primer adheres to multiple substrates including bare metal, e-coat, plastic, and existing primer surfaces, offering versatility for various repair scenarios. With zero VOC content, this formulation meets strict environmental regulations while maintaining professional performance standards. The urethane chemistry provides durability and chemical resistance essential for long-lasting repairs.
Apply using proper spray equipment with appropriate ventilation systems. Follow standard PPE protocols including respiratory protection, gloves, and eye protection when handling and spraying. Ensure proper surface preparation and ambient temperature conditions for optimal adhesion and cure performance.
Why Pros Choose High Teck Products HIT
- 2K High Build Primer Surfacer
- Can be sprayed as a 2K Sealer
- Can be used as a DTM in most applications
- Gray in Color
- Fast dry, improves shop productivity
- Excellent color hold-out, improves color match
- Outstanding fill and build
- Easy sanding
- No shrinkage
- Excellent adhesion
Application Guide
- Prepare substrate by cleaning bare metal, e-coat, plastic, or existing primer surfaces to remove contaminants and ensure proper adhesion
- Mix primer at 4:1 ratio by volume (4 parts primer to 1 part activator) and stir thoroughly
- Apply primer in thin, even coats to achieve desired build and coverage
- Allow proper flash time between coats before applying subsequent layers
- Clean spray equipment immediately after use with appropriate reducer or cleaning solvent
Compatibility
Compatible paint systems: Urethane, 2K.
Specifications
| Part No. | 7420-4 |
|---|---|
| Product Line | HIT |
| Manufacturer | High Teck Products |
| UPC | 813834015245 |
| Rubberized | No |
- Mix Ratio
- 4:1
- VOC Content
- Zero VOC
- Compatible Substrates
- Bare metal, e-coat, plastic, primer
About High Teck Products
High Teck Products 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 I use this primer on?
This 2K urethane primer is compatible with bare metal, e-coat, plastic, and existing primer surfaces, making it versatile for most collision repair applications.
What's the mixing ratio for this primer?
Mix at 4:1 ratio - four parts primer to one part activator. Follow the mix ratio precisely for proper cure and performance.
Is this primer compliant for low-VOC areas?
Yes, this primer has zero VOC content, making it compliant for use in all regulatory areas including California and other low-VOC jurisdictions.
Documents & Safety
Why Buy from autofxmart
- Authorized distributor — authentic, factory-fresh stock.
- Fast US shipping — most orders ship within 1 business day.
- 30-day returns — buy with confidence.
- Pro-shop pricing — bulk discounts available on request.
- Expert support — questions? Email us at support@autofxmart.com.
Cure & dry schedule
Timing at 77°F
Pot life
Two hours
Flash
10-15 minutes
Sandable
1 hour @ 70 degrees F
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 2–3 even coats, flashing between each.
5Let cure fully before sanding, buffing, or assembly.
Specifications
Full data
Frequently asked
Good to know
Most in-stock orders for High Teck Products HIT ship the same or next business day from our US warehouse. Expedited options are available at checkout. Freight-class items may require an additional 1–2 days for carrier pickup.
Yes. autofxmart is an authorized distributor of High Teck 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.
The MPN for High Teck Products HIT is 7420-4. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.
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