Sɔntɛnde, di wan dɛn we de yuz am kin jɔs aks fɔ aw lɔng di vulkaniz kɔmpawnd kin pul we dɛn nɔ brok. Dis na ɔda impɔtant matirial prɔpati insay strɛs-stren tɛst fɔ standad dɔmbɛl spɛshal dɛn as ASTM ɛn ISO spɛsifa am. Di protɔkol dɛn we de dɔŋ ya kin ɛp fɔmulatɔ dɛn fɔ mit di yuz nid dɛn.

1. SBR .

SBR polimεrayz bay emulshכn na -10 °C insted כf 50 °C kin gi di kכmpawnd bεtε tεnsil εlongεshכn.

2. NR .

Na di difrɛn gred dɛn na NR, plasticized natural rubber CV60 rɔba gɛt di ays tɛnsiɛl ɛlɔngeshɔn.

3. Neoprene ɛn Fillers .

Insay neoprene fכmulashכn, inכgεnik fil dεm wit big patikyula saiz pas sכm patikyula saiz fכ yuz fכ impruv di elongeshכn fכ di tεnsil brek. Apat frɔm dat, fɔ riples riinfɔs ɔ sɛmi-rɛinfɔs kabɔn blak wit ɔt krak kabɔn blak kin impruv di elongeshɔn fɔ di tɛnsiɛl brek.

4. TPE ɛn TPV .

Tεrmoplastik εlastכm dεm εn tεmכplastik vulkaniz dεm kin bi anisotropik, spεshal fכ injεkshכn mold εlastכm dεm na ay shia rεt, usay tεnsil εlongeshכn εn tεnsil strכng de dipכnt pan di dairekshכn fכ dεn prכsεsin fכ fכlכ.

5. Kabon Blak .

di yus fכ kabכn blak wit lכw spεsifi k sεf εria εn lכw strכkchכ εn ridyus filin amoun fכ kabכn blak kin impruv di tεnsil εlongeshכn fכ di kכmpawnd.

6. Talkum paoda .

we yu riples di sem amount of kabon blak wit sכm patikyula saiz talk kin impruv di tεnsil elongeshכn fכ di kכmpawnd, bכt i nכ gεt sכm ifekt pan di tεnsil strכng εn i kin inkrεs di mכdul na lכw strεn.

7. Sɔlfɔ vulkanizashɔn .

Wan ɔdasayz advantej fɔ sɔlfɔ we yu kɔmpia am wit pɔrokayd vulkanizashɔn na dat i kin mek di rɔba matirial gɛt ay tɛnsiɛl ɛlɔngeshɔn. jεnarali, hכy-sכlכfa vulkanizeshכn sistεm dεm kin gi bεtεh tεnsil εlongeshכn to di kכmpawnd pas lכw-sכlכf vulkanizashכn sistεm dεm.

8. Gel .

Sintetik adhesives lεk SBR jεnarali gεt stεbyulayza. כltu, miks SBR kכmpawnd dεm na tεmprachכ we pas 163°C kin prodyuz lכs jel dεm (we kin rol opin) εn kompakt jel dεm (we dεn nכ kin rol opin εn dεn nכ kin sכlv insay sכm sכlvεnt dεm). di tu jel dεm de ridyus di tεnsil elongeshכn fכ di kכmpawnd, so di miks tεmprachכ fכ di SBR fכ trit wit kכtכshכn.

9. Miks .

Kכmpawnd de impruv di dispershכn fכ kabכn blak, we de εp fכ impruv di tεnsil εlongeshכn fכ di kכmpawnd.

10. Efεkt dεm we mכlikul wεyt de gi .

Fɔ NBR raw rɔba, di yus fɔ low mooney viskositi ɛn lɔw mɔlikul wet kin impruv di elongeshɔn fɔ di tɛnsiɛl brek. Emulsion SBR, disolved SBR, BR ɛn IR sɛf fit fɔ dis.

11. Digri fɔ vulkanizashɔn .

in jεnarכl, di lכw digri fכ vulkanizayshכn kin lid to hכy tεnsil εlongeshכn fכ di kכmpawnd.