Description
1K acrylic and nitrocellulose products
Seek manufacturer’s advice and perform tests on original substrates before using Sikaflex®-221 on materials prone to stress cracking
Allow protectant to penetrate a few minutes
Test First: Since the curing speed is affected by temperature and humidity—especially in warm and humid environments—spot testing is recommended
Coated with a dry grinding aid to further enhance the product's ability to run cooler and cut faster
3M OEM Match Sprayable 1K Tip 33991 10 Pack Seam Sealer Nozzles Safety 1K acrylic and nitrocellulose products3M OEM Match Sprayable 1K Tip 33991 10 Pack Seam Sealer Nozzles 3M OEM Match Sprayable 1K Tip 33991 10 Pack is designed to deliver consistent, factory style spray patterns when applying 1K seam sealers. Ideal for professional panel shops and collision repair environments, these tips help replicate OEM finishes while improving application control and workflow efficiency. Features Sprayable 1K Design: Engineered for smooth, even spray application of 1K
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy

























