Compound Rubbers: Nneɛma a Ɛkɔ Akyiri, Mfaso, ne Nea Wɔde Di Dwuma

1. FKM Nnuru a Wɔde Yɛ Adwuma (FKM) .

Agyapadeɛ:

• Ɔhyew a ɛtra so a ɛko tia (-20°C kosi +250°C).

• Nneɛma soronko a ɛko tia ngo, pɛtro, nnuru a wɔde siw ano, acid, ne bases.

• Ahoɔden a ɛkorɔn a ɛtwetwe (10–20 MPa), nhyɛso a ɛba fam a wɔde asi hɔ (<15% wɔ 150°C/70h).

• Ogya a ɛmma ogya ntumi nhyew (UL94 V-0 rating) na ɛko tia ozone.

Mfaso a ɛwɔ so:

• Wɔde nnuru a wɔde sa yare (sɛ nhwɛso no, bisphenol AF, peroxide) adi kan afra mu ama vulcanization a etu mpɔn.

• Ɛkura dimensional stability wɔ aggressive nnuru a atwa yɛn ho ahyia.

• FDA-compliant grades a ɛwɔ hɔ ma aduan/aduruyɛ mu nkitahodi.

Nnwuma a Wɔde Di Dwuma:

• Ahunmu: Petrol nhyehyɛe O-rings, engine seals, ne diaphragms.

• Kar: Turbocharger gaskets, transmission seals, ne petrol injectors.

• Nnuru: Pɔmpɛ a wɔde kata so, valve nkongua, ne hose a wɔaboaboa ano.

2. HNBR Nnuru (HNBR) .

Agyapadeɛ:

• Ɔhyew a ɛko tia kodu +150°C (ɛyɛ bere ne bere mu +175°C).

• Ɛko tia ngo, amine, ne nsu a ɛwɔ nsu mu a ɛkorɔn.

• Ahoɔden a ɛkorɔn a ɛtwetwe (15–35 MPa) ne ɔbrɛ a ɛko tia.

• Mframa a ɛmma mframa nkɔ mu a ɛba fam.

Mfaso a ɛwɔ so:

• Pre-vulcanized ma ɛtew bere a wɔde yɛ adwuma.

• Ɛkura elasticity mu wɔ bere tenten a wɔde hyɛ nsɛm ho amanneɛbɔ a emu yɛ den mu.

• Wɔde peroxide anaa sulphur ayɛ mu.

Nnwuma a Wɔde Di Dwuma:

• Oil & Gas: Drilling packers, atɛkyɛ pɔmpɛ nsɔano, ne abura no ti afã horow.

• Kar: Timing belt, pɛtro a wɔde gu mu, ne turbocharger hose.

• Mfiridwuma: Hydraulic cylinder seals ne gearbox afã horow.

3. NBR Nnuru a Wɔde Yɛ Adwuma (NBR) .

Agyapadeɛ:

• Ngo a ɛko tia a ɛkɔ fam (eye sen EPDM, ennu HNBR).

• Ɔhyew a ɛwɔ hɔ: -40°C kosi +120°C.

• Abrasion a ɛkorɔn a ɛko tia (ASTM D5963: 100–200 mm3 a ɛyera).

• Resilience pa ne compression set resistance.

Mfaso a ɛwɔ so:

• Ɛho ka sua a ɛma wotumi nwene nneɛma yiye.

• Acrylonitrile dodow a wotumi sesa (18–50%) ma ngo a wɔahyɛ da ayɛ.

Nnwuma a Wɔde Di Dwuma:

• Kar: Petrol hose, O-ring, ne transmission seals.

• Mfiridwuma: Conveyor belts, printing rollers, ne hydraulic seals.

• Nea ɔde di dwuma: Latex nsateaa ne agumadi nnwinnade.

4. EPDM Nneɛma a Wɔde Yɛ Adwuma (Ethylene Propylene Diene Monomer) .

Agyapadeɛ:

• Ozone/wim tebea a ɛda nsow a ɛko tia ( nnɔnhwerew 5,000+ wɔ QUV sɔhwɛ mu).

• Ɔhyew a ɛwɔ hɔ: -50°C kosi +150°C.

• Dielectric ahoɔden a ɛkorɔn (20–30 kV/mm) ne nsuo a ɛrentumi nkɔ mu.

• Mframa a ɛtumi fa mu a ɛba fam.

Mfaso a ɛwɔ so:

• Wɔde nnuru a ekum ɔyare mmoawa ne UV stabilizers adi kan ayɛ.

• Wosow damping a eye kyɛn so (adehwere factor: 0.1–0.3).

Nnwuma a Wɔde Di Dwuma:

• Kar: Ɔpon ano nsɔano, radiator hose, ne engine mounts.

• Adansi: Nhama a wɔde kata ɔdan atifi, atare a wɔde kata so, ne mfɛnsere mu gasket.

• Electrical: Cable insulation ne ahoɔden a wɔde fa mu abɔso.

5. MPU Nneɛma a Wɔde Yɛ Adwuma (MPU) .

Agyapadeɛ:

• Ahoɔden a ɛkorɔn a ɛtwetwe (20–60 MPa) ne elasticity (ɛkɔ 800% elongation).

• Abrasion a ɛyɛ soronko a ɛko tia (ASTM D5963: 20–50 mm3 a ɛyera).

• Ɔhyew a ɛwɔ hɔ: -40°C kosi +100°C (ɛkɔ +120°C a wɔde nneɛma a ɛma ɔhyew gyina so).

• Ɛko tia nnuru a wɔde siw ano ne nsu mu nsu a ɛyɛ hyew.

Mfaso a ɛwɔ so:

• Nneɛma a ɛyɛ den a wotumi sesa (Shore A 50–95).

• Wobetumi anya bi wɔ cast, millable, anaa thermoplastic grades mu.

Nnwuma a Wɔde Di Dwuma:

• Mfiridwuma: Ntwahonan, rollers, ne conveyor belts.

• Kar: Bushings a wɔde sɛn so, shock absorbers, ne CV joint boots.

• Aduruyɛ: Catheters, nnompe a wɔde hyɛ nipadua mu, ne nnompe a wɔde hyɛ nipadua mu.

6. ACM Nneɛma a Wɔde Yɛ Adwuma (ACM) .

Agyapadeɛ:

• Ɔhyew a ɛkɔ so gyina ano kodu +150°C (ɛyɛ bere ne bere mu +175°C).

• Nsu a wɔde fa nneɛma a ɛyɛ adwuma ankasa (ATF), ngo, ne ɔhyew a ɛko tia yiye.

• Ozone a ɛkɔ fam ne wim tebea a ɛko tia.

• Ahoɔden a ɛtwetwe ade: 7–15 MPa.

Mfaso a ɛwɔ so:

• Wɔde amine anaa peroxide aduru a wɔde sa yare adi kan afra mu ma ayɛ yiye ntɛmntɛm.

• Ɛkura dimensional stability mu wɔ ATF mmeaeɛ.

Nnwuma a Wɔde Di Dwuma:

• Kar: Transmission seals, O-rings, ne pump diaphragms.

• Power steering nhyehyɛe no afã horow.

• Mfiridwuma: Pɔmpɛ nsɔano a wɔde yɛ nsɛm ho amanneɛbɔ a wɔde ngo ayɛ.

7. AEM Nneɛma a Wɔde Yɛ Adwuma (AEM) .

Agyapadeɛ:

• Ɔhyew a ɛtrɛw (-40°C kosi +150°C).

• Ngo, glycols, ne wim tebea a ɛko tia.

• Ahoɔden a ɛkorɔn a ɛtwetwe (10-20 MPa) ne nhyɛso set resistance.

• Mframa a ɛmma mframa nkɔ mu a ɛba fam.

Mfaso a ɛwɔ so:

• Ɛma ɔhyew a ɛko tia ne sɛnea ɛyɛ mmerɛw no kari pɛ.

• Ɛko tia nsu a ɛtwetwe ne onyin.

• Wɔde peroxide anaa sulphur ayɛ mu.

Nnwuma a Wɔde Di Dwuma:

• Kar: Radiator hose, coolant system no afã horow, ne mframa a wɔde fa mu hose.

• Mfiridwuma: Conveyor belts a wɔde di nnuru ho dwuma ne pɔmpɛ diaphragms.

• HVAC: Duct gaskets ne vibration isolators.