Overview
Built for the booth.
Activator for use with High Teck™ 77420 Series 2.1 VOC High Solids DTM Primer/Sealer only.
High Teck™ 77426-16 Activator is a liquid catalyst specifically formulated for use with High Teck's 2.1 VOC high solids DTM primer/sealers (models 77420 and 77423). This half-pint activator initiates the curing process for direct-to-metal applications, providing reliable adhesion and performance across multiple substrate types.
The activator delivers a practical 2-3 hour pot life at 77°F, allowing adequate working time for larger projects while achieving sandable finish in 60-90 minutes. Compatible substrates include steel, aluminum, galvanized metal, fiberglass, SMC, e-coat, OEM finishes, and existing primer surfaces. With a VOC content of 141 g/L, this activator helps shops maintain compliance with environmental regulations while ensuring proper primer performance.
Follow proper spray booth ventilation requirements and wear appropriate respiratory protection when mixing and applying. Store activator in a cool, dry location away from heat sources and ensure proper mixing ratios as specified in the primer technical data sheet.
Why Pros Choose High Teck Products HIT
- Excellent corrosion resistance and adhesion
Application Guide
- Ensure substrate is clean and properly prepared. Compatible with aluminum, e-coat, fiberglass, galvanized, OEM, primer, SMC, and steel surfaces.
- Mix activator with 2.1 VOC High Solids DTM Primer/Sealers (77420 or 77423) according to manufacturer's mixing ratio specifications.
- Use mixed product within 2-3 hours pot life at 77°F.
- Apply primer/sealer mixture according to product specifications.
- Allow 60-90 minutes before sanding.
Specifications
| Part No. | 77426-16 |
|---|---|
| Product Line | HIT |
| MFR Model | NO-77426-16 |
| Standard/Approvals | California Prop65 Warning: Cancer and Reproductive Harm |
| Manufacturer | High Teck Products |
| UPC | 813834012626 |
| Brand | High Teck™ |
| Maximum Sale Quantity | 6 |
| Maximum Sale Day | 7 |
| Rubberized | No |
| Form | Liquid |
| Mixing Ratio | 4:01 |
- Volume
- 1/2 pt
- Form
- Liquid
- Use With
- 2.1 VOC High Solids DTM Primer/Sealers-77420, 77423
- Sandable Time
- 60-90 minutes
- Pot Life
- 2-3 hours at 77°F
- VOC Content
- 141 g/L
- Compatible Substrates
- Aluminum, E-coat, Fiberglass, Galvanized, OEM, Primer, SMC, Steel
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 activator system on?
This activator works with compatible primer/sealers on aluminum, e-coat, fiberglass, galvanized metal, OEM finishes, existing primer, SMC (sheet molding compound), and steel substrates.
How long do I have to work with the mixed product?
The pot life is 2-3 hours at 77°F once the activator is mixed with the primer/sealer.
When can I sand the primer after application?
The primer becomes sandable in 60-90 minutes after application.
What is the VOC content of this activator?
The activator has a VOC content of 141 g/L.
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
2-3 hours at 77F
Flash
10-20 minutes
Sandable
60-90 minutes
Topcoat
30 minutes
Topcoat no-sand
24 hours max
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
High Teck Products HIT uses a mix ratio of 4:01. Always measure activators and reducers accurately to maintain film properties and pot life — deviating from the ratio can cause adhesion or curing problems.
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 77426-16. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.
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