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Sika Duoflex 5050 Primer
Sika Duoflex Primer-5050. Two-component epoxy primer for Duoflex NS and SL polysulfide sealants.
- Mix 1:1 epoxy primer
- Tack-free about 2 hours on concrete
- Place sealant the same day, max 36 hours
$208.89
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Sika Duoflex Primer-5050
Sika Duoflex Primer-5050 is a two-component epoxy primer for Duoflex NS and SL polysulfide sealants. Mix 1:1. Pot life is about 3 hours. Let it tack-free about 2 hours on concrete and 4 hours on steel at 73 F, then place sealant the same day. Do not wait more than 36 hours. It is a primer, not the NS or SL sealant. Follow the current Sika product data sheet on the job.
Key Features
- Two-component epoxy primer
- For Duoflex NS and SL
- Pot life about 3 hours
- Tack-free about 2 hours on concrete
- Sealant same day, not after 36 hours
Applications
- Priming concrete before Duoflex
- Steel joints with Duoflex
- Immersed or submerged joints as specified
Technical Specifications
| Property | Value |
|---|---|
| Manufacturer | Sika |
| Product | Duoflex Primer-5050 |
| Part no. | 462101 |
| Mix | 1:1 by volume |
| Pot life | 3 hours |
| Concrete tack-free | About 2 hours at 73 F |
| Steel tack-free | About 4 hours at 73 F |
| Max wait | 36 hours |
| Sealants | Duoflex NS and SL, listed separately |
Product documents: Sika Duoflex Primer-5050 PDS (PDF)
Frequently Asked Questions
Is this the sealant?
No. It primes for Duoflex NS and SL.
How long before sealant?
About 2 hours on concrete, 4 hours on steel. Same day, not past 36 hours.
Mix?
1:1 by volume.
Who makes it?
Sika.
NS vs SL?
Those sealants are listed separately. Do not mix NS B with SL A.
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