Dongguan Ruichen Sealing Co., Ltd.
TO BE O RING KING
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epdm o rings sealing
1) ISO9001:2000 manufacturer
2) Good quality and reasonable price
3) customer's designs are welco
o ring sealing
O-Ring is a kind of sealing products which is usually made of springing material and through the molding way to make it in the ring ship. It is generally used to seal the fluid liquid or gas, often works as a part of the whole set of sealing parts. O-Ring is good at both in static seal and dynamic seal, main material contains: NR, CR, NBR, SBR, FKM, SILICON, HNBR, PU etc.
Rubber o ring
1. High and low temperature resistance,
2. abrasion resistance, UV-resistance
3. Ozone resistance Silicone Rubber O Ring
4. Material: SILICON, NBR, SBR,NR,EPDM,IIR,EP,CR etc
5. Waterproof and Oil resistant.
6. Highly durable and good sealed.
7. It's innocuous and safe and widely used in the auto,motorcycle products,etc.
8. Manufactured according to customers' requirements
| Press Cure | Post Cure | ||
| Sheet : 5min 170℃ | Sheet : 1 hrs 125℃ | ||
| Button : 10 min 170℃ | Button : 1 hrs 125℃ | ||
| ORIGINAL PROPERTIES | SPECIFICATION | TEST RESULT | |
| HARDNESS SHORE A | 70°±5 | 70 | |
| TENSILE STRENGTH, MPA, MIN | 14 | 14.9 | |
| ULTIMATE ELONGATION, ％, MIN | 300 | 327 | |
| SPECIFIC GRAVITY (g/cm3) | 1.15 | ||
| HEAT RESISTANCE 70 H . AT 100℃ | |||
| CHANGE IN HARDNESS, POINTS | 10 | 2 | |
| CHANGE IN TENSILES STRENGTH,% | -25 | -4.1 | |
| ULTIMATE ELONGATION,MAX % | -25 | -3.4 | |
| COMPRESSION SET, MAX, 22H AT 70℃ | 25 | 8 | |
| RESISTANCE TO OZONE | |||
| EXPOSURE METHOD B | N0 CRACK | PASS | |
| WATER RESISTANCE:100℃,70H (EA14) | |||
| VOLUME CHAGE,% | ±5 | 3.7 | |
| LOW-TEMPERATURE BRITTLENESS NONBRITTLE | |||
| AFTER 3MIN AT -55°C (F19) | NONBRITTLE | PASS | |