Sichuan Dowhon FKM Rubber Compound with Low Compression Set and High Temperature

Sichuan Dowhon founded in 2002, headquartered in Chengdu National Industrial Park- Meishan Jinxiang Industrial Park. 

1. The largest FKM manufacturer in China, with the actual output is 14,000mt
2. 2 CNAS approved labs;
3. 1 10,000 clarification workshop for smart-wearable devices;
4. 1 100,000 clarification workshop for FKM precompounds and compounds.
5. 21 producing lines for FKM precompounds and compounds.
6. Over 85% market share for Chinese smart-wearable devices.

Safety and handling

   Store in well ventilated place
   Smoking is forbidden Strictly in working areas
   Avoid eye contact
  Wash thoroughly any contacted skin and clothing after handling

Typical properties of Vulcanizate
Typical Physical Properties
Press Cure 180ºC@5min, Post Cure 230ºC@24hour

Hardness, Shore A                                        75  (ASTM D 412)
Elongation at Break, %                             205    (ASTM D 412)
Tensile, MPa                                             12    (ASTM D 2240)
Compression set % 200ºC@70hour,        15   (ASTM D 395 method  B Disc) 

Low Temperature Resistance
Brittleness temperature, ºC                     -26    (ASTM D 1329)   

Air oven aging               ASTM D-537, 230ºC@70h    
Hardness change, degree                        2           
Tensile change %                                    -2          
Elongation at break change %                 0           

Oil resistance ASTM D471 standard, 150ºC@70h
ASTM 1# standard oil
Hardness change, degree                      2           
Tensile change %                                   0           
Elongation at break change %               0           
Volume Change %                               0.4          

ASTM 3# standard oil
Hardness change, degree                         6            
Tensile change %                                     -4           
Elongation at break change %                  2            
Volume Change %                                   2.1           

 

20kgs/25kgs per carton by courier, like FedEx, DHL etc; 500kgs/625kgs/700kgs per pallet for shipping.

ISO9001, ISO14001, IATF16949

Currently has 65 patents, 15 invention patents are under application, participated in the formulation of 4 National Standards.