TENAC / TENAC-C (Asahi Kasei)
Production and sales began in May 1972 for homopolymer and in December 1985 for copolymer. Asahi Kasei is the world only producer of both homopolymer and copolymer polyacetal.
[Capacity]
Okayama, Japan 44,000 T/y(20,000 T/y homopolymer, 24,000 T/y copolymer).
Zhangjiagang, China 20,000 T/y copolymer.
TENAC (Homopolymer)
| GRADE | Features | Typical Uses |
|---|---|---|
| 2010 | Super high-impact grade. Highest molecular weight category. | Ski binding parts, clips |
| SH210 | Similar to 2010, but comparable to Tenac-C copolymer in molding-process thermal stability. |
Ski binding parts, clips |
| 3010 | High-impact, high-elongation grade. 2nd-highest molecular weight category. | Ski binding parts, rollers |
| SH310 | Similar to 3010, but comparable to Tenac-C copolymer in molding-process thermal stability. |
Ski binding parts, rollers |
| 4010 | High-impact, high-elongation grade. Medium viscosity. | Tape recorder and VCR parts, seat belt parts |
| SH410 | 4Similar to 4010, but comparable to Tenac-C copolymer in molding-process thermal stability. |
Tape recorder and VCR parts, seat belt parts |
| 4060 | Medium-viscosity grade with reduced sliding noise. | Motor parts |
| 5010 | General-purpose grade. Balanced flowability and mechanical properties. | Gears, cams |
| SH510 | Similar to 5010, but comparable to Tenac-C copolymer in molding-process thermal stability. |
Gears, cams |
| 7010 | High-flow grade. Suited for thin-wall, long-flow-distance moldings. | Fasteners, aerosol valve parts, other multi-cavity molded parts |
| SH710 | Similar to 7010, but comparable to Tenac-C copolymer in molding-process thermal stability. |
Fasteners, aerosol valve parts, other multi-cavity molded parts |
| GRADE | Features | Typical Uses |
|---|---|---|
| 5050 | Standard-flow grade with high crystallization rate for higher productivity. | Tape recorder and VCR parts, seatbelt parts, gears |
| 7050 | High-flow grade with high crystallization rate for higher productivity. | Cassette hubs, other multi-cavity molded parts |
| 7054 | Modified version of 7050, with added characteristics required for VCR reels. | VCR reels |
| 9054 | Super high-flow grade with high crystallization rate for higher productivity. | Floppy disk parts |
| GRADE | Features | Typical Uses |
|---|---|---|
| 3013A | High-viscosity grade containing UV absorber and other additives for superior weatherability. |
Pipe fittings, rollers, exterior automotive parts |
| 4013A | Medium-viscosity grade containing UV absorber and other additives for superior weatherability. |
Handles and other interior automotive parts |
| 5013A | Standard-flow grade containing UV absorber and other additives for superior weatherability. |
Door handles, mirror bases |
| GRADE | Features | Typical Uses |
|---|---|---|
| GA510 | 10% GF-filled grade. Superior dimensional stability. | Chassis, levers |
| GA520 | 20% GF-filled grade. High-stiffness and superior dimensional stability. | Switch bodies |
| GN705 | 25% GF-filled grade. High stiffness and high strength. | Automotive switch bodies, rollers, pump parts |
| GRADE | Features | Typical Uses |
|---|---|---|
| LT802 | High impact, high elongation. Excellent friction and wear on metals. | Gears, rollers, bearings |
| LT804 | Medium-viscosity. Excellent friction and wear on metals. | Keyboard parts, bearings for office machine, gears |
| LT200 | High-lubricity grade containing special lubricants. | Bearings, guide cams |
| FS410 | Contains fluoropolymer. Excellent friction and wear on plastics. | Speedometer bearings |
| LA541 LA543 |
High-lubricity grade. | Gears, cams, keyboard parts |
| LM511 | Excellent friction and wear on metals and plastics other than POM. | Keyboard parts, bearings for office machine, gears |
| LS701 | High-lubricity grade containing silicone lubricants. | Gears, cams, rollers |
| GRADE | Features | Typical Uses |
|---|---|---|
| 4012 | Medium-viscosity grade. Reduced stiffness and increased elongation through addition of special polymers. |
Hooks, press-fit parts |
TENAC APPLICATION EXAMPLE
Gears for laser printers [ LA541 ]
Keyboard stems [ LM511 ]
Wheel for window sash [ 3010 ]
Snap fasteners [ Unspecified ]
Cartridge for film development [ 7054 ]
TENAC-C (Co-polymer)
| GRADE | Features | Typical Uses |
|---|---|---|
| 3510 | High-impact, high-elongation grade. Increased molecular weight. | Rollers, conveyor parts |
| 4520 | General-purpose grade. Characterized by balanced flowability and mechanical properties. |
Gears, cams, hose joints, clips, switches, mechanical parts for audio/video equipment |
| 5520 | Similar to 4520, but with higher flow. | Gears, cams, hose joints, clips, switches, mechanical parts for audio/video equipment |
| 7520 | High-flow grade. Suited for thin-wall, long-flow-distance moldings. | Lighters, aerosol valves, fasteners |
| 8520 | Super high-flow grade. | Lighters, aerosol valves, fasteners |
| GRADE | Features | Typical Uses |
|---|---|---|
| HC450 | General-purpose grade. Better mechanical properties than conventional POM copolymer. |
Gears, cams, hose joints, clips, switches, mechanical parts for audio/video equipment |
| HC750 | High flow grade. Better mechanical properties than conventional POM copolymer. |
Gears, cams, switches, mechanical parts for audio/video equipment |
| GRADE | Features | Typical Uses |
|---|---|---|
| 7554 | High-flow grade with high crystallization rate, for higher productivity. | VCR reels |
| GRADE | Features | Typical Uses |
|---|---|---|
| 3513 | High-viscosity grade containing UV absorber and other additives for superior weatherability. | Pipe fittings, rollers, exterior automotive parts |
| 4513 | Standard-flow grade containing UV absorber and other additives for superior weatherability. | Handles and other interior automotive parts |
| 4563 | Similar to 4513, but with further enhancement of weatherability. | Interior and exterior automotive parts |
| 7513 | High-flow grade containing UV absorber and other additives for superior weatherability. |
Interior automotive parts |
| GRADE | Features | Typical Uses |
|---|---|---|
| GN455 | 25% GF-filled, standard-flow grade. High stiffness and high strength. | Automotive switch bodies, rollers, pump parts |
| GN755 | 25% GF-filled, high-flow grade. High stiffness and high strength. | Mechanical parts for office machines |
| GRADE | Features | Typical Uses |
|---|---|---|
| CF452 | 10% carbon fiber-filled, high-stiffness, high-strength grade with antistatic properties. |
Gears, gear couplings |
| CF454 | 20% carbon fiber-filled, high-stiffness, high-strength grade with antistatic properties. |
Gears, gear couplings |
| GRADE | Features | Typical Uses |
|---|---|---|
| MT754 | 20% inorganic-filled, high-stiffness, low-warp grade. | Keyboard parts |
| TFC64 | Acetal copolymer-based alloy with excellent electrical conductivity. | Electroconductive parts |
| GRADE | Features | Typical Uses |
|---|---|---|
| LD755 | 20% inorganic-filled, high-lubricity grade. | Cams, parts for audio/video equipment |
| LT350 | High impact, high elongation, and excellent friction and wear on metals. | Bearings for office machine, gears |
TENAC-C APPLICATION EXAMPLE
Wiper motor gears [ 3510 ]
Fuel pump modules [ 3510/4520 ]
DVD-ROM pick-up drive mechanism parts [ HC450 ]
Pick-up chassis for
DVD-ROM drives(out-sert molding) [ HC450 ]
Slide cams for DVD-ROM drives [ HC450 ]
Mechanical parts for VCRs [ HC750 ]
Disk-guide parts for slim DVD-ROM drives [ HC450 ]
Gear unit for fax machines [ HC450 ]
Scanner holders for fax machines [ HC450 ]
Drain parts [ 4520 ]
Washing machine hose joints [ 4513 ]
Zippers [ Unspecified ]
Clasps [ Unspecified ]
Bearings for air conditioners [ 4520 ]
TENAC-C HC series
| High viscosity materials | Medium viscosity materials | |||||||
|---|---|---|---|---|---|---|---|---|
| Item | Test method |
Unit | TENAC™- C HC350 |
High viscosity Homopolymer |
High viscosity Copolymer |
TENAC™- C HC550 |
Medium viscosity Homopolymer |
Medium viscosity Copolymer |
| Yield Stress or Stress at Break | ISO527 | MPa | 66 | 69 | 62 | 67 | 70 | 63 |
| Strain at Break | ISO527 | % | 37 | 40 | 40 | 33 | 30 | 35 |
| Tensile Modulus |
ISO527 | MPa | 2610 | 2690 | 2500 | 2850 | 3100 | 2700 |
| Flexural Modulus |
ISO178 | MPa | 2500 | 2600 | 2400 | 2700 | 2900 | 2500 |
| Notched Charpy Impact Strength at 23℃ |
ISO179 | KJ/㎡ | 9 | 16 | 9 | 6 | 9 | 7 |
| Deflection Temperature under Load |
ISO75 1.8MPa |
℃ | 102 | 93 | 95 | 105 | 94 | 100 |
| ISO75 0.45MPa |
℃ | 160 | 160 | 156 | 160 | 158 | 156 | |
| Melt Mass- Flow Rate |
ISO1133 | g/10min | 2.8 | 2.1 | 2.8 | 15 | 15 | 9 |
| Molding Shrinkage |
Asahi Kasei Method |
% | 1.6~2.0 | 2.0~2.2 | 1.6~2.0 | 1.6~2.0 | 1.9~2.0 | 1.6~2.0 |
TENAC-C HC series Applications
Fuel pump module
Sub tank
DVD pick-up joint
DVD pick-up joint
Printer gears
Printer mechanical parts
Scanner holder
Pumping parts