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測試適度硬橡膠，合成橡膠，紙制品，纖維材料的硬度
示范408B的B型硬度計(jì)是用來測量ASTM（美國試驗(yàn)協(xié)會(huì)和材料）B型硬度。這包括材料如：橡膠，合成橡膠，和其它類似橡膠的材料包括氯丁橡膠，硅酮，乙烯基，和丁基。軟塑料，油氈，皮革及類似材料一般都屬于這一范圍相同。 PTC®的型號(hào)408B達(dá)到或超過目前ASTM D2240規(guī)格。準(zhǔn)確的讀數(shù)可以在任何位置獲得。
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PTC®408B硬度計(jì)ASTM B型
測試適度硬橡膠，合成橡膠，紙制品，纖維材料的硬度
示范408B的B型硬度計(jì)是用來測量ASTM（美國試驗(yàn)協(xié)會(huì)和材料）B型硬度。這包括材料如：橡膠，合成橡膠，和其它類似橡膠的材料包括氯丁橡膠，硅酮，乙烯基，和丁基。軟塑料，油氈，皮革及類似材料一般都屬于這一范圍相同。 PTC®的型號(hào)408B達(dá)到或超過目前ASTM D2240規(guī)格。準(zhǔn)確的讀數(shù)可以在任何位置獲得。
PTC® 408B Durometer ASTM Type B
Test the Hardness of Moderay Hard Rubber, Elastomers, Paper Products, Fibrous Materials
The Model 408B Type B Durometer is designed to measure ASTM (American Society for Testing and Materials) Type B hardness. This includes materials such as: rubber, elastomers, and other rubber-like materials including neoprene, silicone, vinyl, and butyl. Soft plastics, felt, leather, and similar materials generally fall into this same range. PTC®'s Model 408B meets or exceeds current ASTM D2240 Specifications. Accurate readings can be obtained in any position.
TYPE | PTC MODEL No. | MAIN SPRING TRAVEL | INDENTER DESCRIPTION | INDENTER IMAGE | APPLICATIONS |
|---|---|---|---|---|---|
| A ASTM D2240 JIS K6253 ISO 868 | 201 211 306L 408 501A 511A | 821 gf 1.81 LB 0.100 inch travel | Truncated Cone 35° Included Angle |  | Soft rubber, elastomers, neoprene, silicone, vinyl, nitrile, and butyl, soft plastics, felt, leather, waxes, printing rollers and similar materials |
| B ASTM D2240 | 201B | 821 gf 1.81 LB 0.100 inch travel | Conical 30° Included Angle |  | Rubber, elastomers, use when off the high end of the A scale |
C | 202C 212C 307CL 409C 502C 512C | 4.53 kgf 10 LB 0.100 inch travel | Truncated Cone 35° Included Angle | | Medium hard rubber or plastics use when off the low end of the D scale |
| D ASTM D2240 JIS K6253 ISO 868 | 202 212 307L 409 502D 512D | 4.53 kgf 10 LB 0.100 inch travel | Conical 30° Included Angle | | Hard rubber, plastics, acrylic, delrin, kevlar, pvc, nylon, lexan, epoxies and similar materials |
| DO ASTM D2240 | 202DO 212DO 413 502DO 512DO | 4.53 kgf 10 LB 0.100 inch travel | 3/32" Spherical Diameter (2.38mm) |  | Dense textile winding, medium printing rollers |
| E ASTM D2240 | 408E 501E 511E | 821gf, | 0.200" Spherical Diameter (5.08mm) |  | Medium density textile windings, soft rubber, foamed elastomers,wound threads,yarn |
| O ASTM D2240 | 201/O 211/O 410 501/O 511/O | 821gf, 1.81 lbs 0.100 inch travel | 3/32" Spherical Diameter (2.38mm) | | Soft printing rollers, textile windings |
| OO ASTM D2240 | 203 | 113gf, 4.0 oz. 0.100 inch travel | 3/32" Spherical Diameter (2.38mm) | | Sponge rubber, very soft rubber |
| OOO ASTM D2240 | 412 412L | 113gf, 4.0 oz. 0.100 inch travel | 1/2" Spherical Diameter (12.7mm) |  | Very soft materials, (e.g.) open cell foam |
SL PTC STANDARD | 302SL | 142gf, 5.0 oz. 0.200 inch travel | 1 cm2- Circular (0.155in2) |  | Foam and sponge rubber, cellular and gel-like material |
| CF ASTM F1957-99 | 414CF | 9.11kgf 20lbs 0.200 inch travel | .1/2" Spherical Diameter (12.7mm) | | Composite Foam |
| Asker C SRIS-0101 JIS K7312 | 601 603 604 611 | 855gf, | 0.200" Spherical | | Medium density |