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Medium Strength PTFE Pipe Sealant KemLock AT-77
- Medium strength sealing with PTFE
- For coarse pipe threads, hydraulics and pneumatics
- Meets NSF/ANSI Standard 61
- Resistant to petrol and diesel (test recommended)
- Packs: 67435 – 50 ml; 67437 – 250 ml
Medium Strength PTFE Pipe Sealant KemLock AT-77 is a medium strength PTFE pipe thread sealant from the Danish brand Kema, medium strength with PTFE for coarse pipe threads in hydraulics and pneumatics. FEYANA supplies genuine Kema AT-77 to factories and maintenance teams in Vietnam and Southeast Asia (Singapore, Malaysia, Thailand, Indonesia, the Philippines).
AT-77 key specifications
| Brand | KemLock (Kema) |
|---|---|
| Product code | AT-77 |
| Product type | medium strength PTFE pipe thread sealant |
| Temperature | -55 °C to +150 °C |
| Strength | Medium |
| Viscosity (mPa·s, 25 °C) | 55.000–80.000 (6/2.5); 18.000–30.000 (6/20) |
| Max. gap | 0,50 mm |
| Max. thread | M80 / R3″ |
| Fixture time | 15–30 min |
| Functional strength | 1–3 h |
| Full strength | 3–6 h |
| Pack sizes / article no. | 67435 – 50 ml 67437 – 250 ml |
Features
- Medium strength sealing with PTFE
- For coarse pipe threads, hydraulics and pneumatics
- Meets NSF/ANSI Standard 61
- Resistant to petrol and diesel (test recommended)
- Label: suitable for gas and sprinkler systems
Applications
- Common pipe threads, gas and sprinkler lines
- Hydraulic and pneumatic systems
Using KemLock anaerobic adhesives
- Clean the parts before use (e.g. with Kema MA-4000).
- The adhesive cures when parts are pressed together and air is excluded.
- Use enough to fill the gap; remove excess.
- Cure time varies with temperature, gap size and materials.
Related products
Browse all Kema products and the Threadlockers & Thread Sealants category. Information compiled from the Kema product catalogue; contact us for SDS or technical data sheets.
FAQ – Kema AT-77
Max gap?
0.50 mm, threads up to M80 / R3″.
250 ml?
Yes, 67437.
Gas lines?
The label states suitable for gas and sprinkler systems; always follow local codes.
Request a quote
Send the product code, pack size and quantity: WhatsApp +84 988 641 591 – Email sales.00@feyana.com.
| Brand | KemLock (Kema) |
|---|---|
| Product code | AT-77 |
| Pack size | 67435 – 50 ml, 67437 – 250 ml |
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