Rubber Molding and Gasket Punching Materials
Butser Rubber can supply moldings/gaskets in all major polymers, silicones and rubbers; natural and synthetic.
The lists below show materials and compounds that Butser Rubber currently use. However, if there is something that is not present please do not hesitate to contact us to see if we can supply it.
Molding Materials
- Natural rubber
- Silicone rubber
- HNBR / Hydrogenated Nitrile Rubber
- Viton ® / FKM / Flourocarbon
- Neoprene ® / Chloroprene Rubbers
- Nitrile rubber (NBR, Buna N)
- Flurosilicone
- Butyl
- SBR
- Ethylene propylene rubbers (EP, EPDM)
- Polyurethane
- Polynorbenene (Norsorex ®)
- Molded nylon-reinforced rubber sheeting (Insertion materials)
- Epichlorohydrin rubber
- Platinum cured silicone
- Hydrin
Gasket Manufacturing & Fabrication Materials
- Cork Bonded Nitrile/Neoprene
- Silicone Sponge
- Neoprene Sponge
- Form Rubbers
- Plastazote
- Nylon-reinforced Rubber sheet gaskets (Insertion Materials)
- Felt
- Cork
- Leather
- 3M transfer tapes used in conjuction with rubber or foam gaskets
- Paper/Card
Self-adhesive backing to all of the above - please ask for details.
The rubber molding compounds listed below are commonly stocked by Butser Rubber (Rubber Molders).
Butser Rubber carries a wide range of the following materials. This provides our customers material flexibility and short lead times. The list is made up of Both Natural and Synthetic rubber molding materials including Silicone Molding compounds and FKM.
If there is a grade of material not listed that you require, please feel free to contact Butser Rubber and discuss your rubber requirements.
BUTYL RUBBER MOLDING GRADES
- BUTYL RUBBER TO BS3227 B50 BLACK (50 IRHD)
- BUTYL RUBBER 40 (B 40) (40 IRHD)
- B.BUTYL RUBBER 50 TO BS 3227:2003 GRADE B50. (50 IRHD)
- BUTYL RUBBER 60 (60 IRHD)
- CHLORO-BUTYL RUBBER (GRADE 60) BLACK TO DEF STAN 93-86
- BROMO BUTYL RUBBER BS3227:2003 GRADE B60
- BS3227 B60 BUTYL RUBBER (56-65) (60 IRHD)
EPDM RUBBER MOLDING GRADES (ETHYLENE PROPYLENE DIENE MONOMER)
- EPDM RUBBER 20/25 IRHD (BLACK)
- EPDM RUBBER 40 IRHD
- EPDM RUBBER 40/45 IRHD (BLACK)
- EPDM RUBBER 60 HARD (GREY)
- EPDM RUBBER 60 HARD PEROXIDE
- EPDM RUBBER 65/75 IRHD (BLACK)
- EPDM RUBBER 65/75 IRHD (RED)
- EPDM RUBBER 70 HARD
- EPDM RUBBER 70 HARD BLACK (INSULATIVE GRADE)
- EPDM RUBBER 70 HARD (RED)
- EPDM RUBBER 70 HARD WHITE (FDA APPROVED)
- EPDM RUBBER 70 HARD WHITE (FDA COMPLIANT)
- EPDM RUBBER 80 HARD
- EPDM RUBBER 80 HARD (PEROXIDE DTD) 5597A GRADE 80
- EPDM RUBBER 80 PEROXIDE. DTD5597A (GRADE 80 BLACK)
- EPDM RUBBER 80/85 FDA AQUEOUS
- EPDM RUBBER GRADE 50 (BLENDED FROM 2 PARTS EPDM 40 TP 1 PART EPDM 70)
- EPDM RUBBER HIGH ENB EPDM 80 PEROXIDE
- EPDM RUBBER APPROX 20 SHORE HARDNESS. AVERAGE HARDNESS 22 SHORE.
- EPDM RUBBER GRADE 70 (BLACK), (WATER-COUNCIL)
- EPDM RUBBER (INSULATIVE) GRADE 50 (BLACK)
- EPDM/SBR RUBBER 80 HARD (BLACK)
FLUOROSILICONE (FVQM) MOLDING RUBBER GRADES
- FLUOROSILICONE RUBBER (FVQM) LS63 (BLUE)
- FLUOROSILICONE RUBBER (FVQM) AMS R 25988 GRADE 70 (BLUE/RED) (BR/CC/3993-4)
- FLUOROSILICONE RUBBER (FVQM) 40 IRHD (BLACK) BR/CC/8F46M/003
- FLUOROSILICONE RUBBER (FVQM) GRADE 50 (GREEN). BR/CC/8F56M/003
- FLUOROSILICONE RUBBER (FVQM) TO AMS-R-25988 CLASS 1 GRADE 60 TYPE 2 COLOUR BLUE
- FLUOROSILICONE RUBBER (FVQM) RED (GOODRICH SPEC)
- FLUOROSILICONE RUBBER (FVQM) LS63 BLUE
- FLUOROSILICONE RUBBER (FVQM) 60, BLACK
- FLUOROSILICONE RUBBER (FVQM) 60 BLUE
- FLUOROSILICONE RUBBER (FVQM) RED LS63 RIO
- FLUOROSILICONE RUBBER (FVQM) R 25988 B GRADE 70 (AMS-R-25988) BLUE
- FLUOROSILICONE RUBBER, (FVQM) GRADE 80. BLUE.
- FLUORO-SILICONE RUBBER (FVQM) 80, WHITE. S.G. IS 1.7.
- FLUOROSILICONE RUBBER (FVQM) 60, BLACK. S.G. IS 1.45.
- FLUOROSILICONE RUBBER (FVQM) LS 2860 VAROX TRANS
- FLUOROSILICONE RUBBER (FVQM) 40 SHORE, BLACK, HEAT TEMPERED TO 250 DEG.
- FLUOROSILICONE RUBBER (FVQM) GRADE 80 BLUE
- FSE7560-D1 FLUOROSILICONE RUBBER (FVQM) EQUIVALANT TO LS63U
NATURAL (NR) RUBBER MOLDING GRADES
- HSN401 GUM STOCK NATURAL RUBBER BLACK
- NAT/NEO 50-60
- NATURAL RUBBER Z70 BLACK (SHEETS TO BE 12 MM THK)
- NATURAL RUBBER (NR 70) (NRQX 70) TO DEF STAN 93-30 BLACK
- NATURAL RUBBER (NRQX 40) TO DEF STAN 93-30 BLACK 36/45 HQ
- NATURAL RUBBER (NRQX 70) TO DEF STAN 93-30 BLACK IRHD 66-75
- NATURAL RUBBER 60 RED. S.G. IS 1.38.
- NATURAL RUBBER 60 WHITE. S.G. IS 1.42
- NATURAL RUBBER BS1154 Z60 IRHD 56-65 BLACK
- NATURAL RUBBER TO DEF STAN 93-30 EQUIVALENT GRADE QX 40 BLUE
- NATURAL RUBBER Z40 TO BS 1154 IRHD 36-45 BLACK
- NATURAL RUBBER Z90 TO BS1154:2003
- NATURAL RUBBER NR 30/35
- NATURAL RUBBER NR 40
- NATURAL RUBBER NR 40 ELONGATION
- NATURAL RUBBER NR 40 GREY F/Q
- NATURAL RUBBER NR 40 LIGHT GREEN
- NATURAL RUBBER NR 40 LIGHT GREY
- NATURAL RUBBER NR 40 OLIVE GREEN
- NATURAL RUBBER NR 40. BS 1154. (Z 40)
- NATURAL RUBBER NR 50 (Z 50)
- NATURAL RUBBER NR 50 BLACK M1043
- NATURAL RUBBER NR 55. BS1154:2003 Y3 WHITE.
- NATURAL RUBBER NR 60
- NATURAL RUBBER NR 60 (Z60)
- NATURAL RUBBER NR 60 YELLOW
- NATURAL RUBBER NR 70 (ARE 1070)
- NATURAL RUBBER NR 70 F/Q WHITE
- NATURAL RUBBER NR 70 GREY HIGH TEAR/WEAR NERO
- NATURAL RUBBER NR 70. BS 1154. (Z 70)
- NATURAL RUBBER NR 70+/-3IRHD
- NATURAL RUBBER NR 75
- NATURAL RUBBER NR 80. (Z 80)
- NATURAL RUBBER NR 85.
- NATURAL RUBBER NR 90 (STYRENE RESIN) EQUIVALENT TO BR15
- NATURAL RUBBER Z50 (NR50) BR/FP/12/08/029
NEOPRENE RUBBER / POLYCHLOROPRENE MOLDING GRADES
- NEOPRENE RUBBER BS2752 C40 BLACK NEOPRENE
- NEOPRENE RUBBER BS2752 C60 NE (NON ETU )
- NEOPRENE RUBBER BS2752 C70 NEOPRENE 66-75
- NEOPRENE RUBBER NEO 40 IRHD (GREY)
- NEOPRENE RUBBER NEO 40 NON ETU
- NEOPRENE RUBBER NEO 50 GREEN NE
- NEOPRENE RUBBER NEO 50 NON ETU (C 50)
- NEOPRENE RUBBER NEO 50 RED (PCR 50)
- NEOPRENE RUBBER NEO 50 YELLOW
- NEOPRENE RUBBER NEO 50-55 HARD
- NEOPRENE RUBBER NEO 55/60 HARD
- NEOPRENE RUBBER NEO 60 NE GREY
- NEOPRENE RUBBER NEO 60 NE GREY (RAL 7036)
- NEOPRENE RUBBER NEO 60 NON ETU. BS2752 C60
- NEOPRENE RUBBER NEO 70 GREY (NE)
- NEOPRENE RUBBER NEO YELLOW 55
- NEOPRENE RUBBER 40 NON-BLOOMING (WITHOUT WAX)
- NEOPRENE RUBBER 40(NE CR QX40) NON TYP
- NEOPRENE RUBBER 60(NE CR QX60)NON TYP
- NEOPRENE RUBBER C40 NON ETU
- NEOPRENE RUBBER C60 TO BS2752 NON ETU
- NEOPRENE RUBBER C80 TO BS2752 BLACK
- NEOPRENE RUBBER NON ETU 76-85 BLACK BS2752 C80
- NEOPRENE RUBBER TO BS2752 C50 BLACK IRHD 46-55
- NEOPRENE RUBBER TO BS2752 C60 IRHD 56-65
- NEOPRENE RUBBER TO BS2752 C70 IRHD 66-75
- NEOPRENE RUBBER PCR (POLYCHLOROPRENE) 70 BLACK (+GRAPHITE)
- NEOPRENE RUBBER PCR (POLYCHLOROPRENE) BS2752:2003 C80 BLACK
POLYURETHANE (POLY-U) RUBBER MOLDING GRADES
- POLYURETHANE (P/U 50) BLACK
- POLYURETHANE (P/U 50) WASHED OUT BLUE.
- POLYURETHANE (P/U 75) GREY
- POLYURETHANE (P/U 95)
- POLYURETHANE (P/U 95) BLACK
- POLYURETHANE (POLY U 70) GREEN BR/FP/04/08/034
- POLYURETHANE (POLY U 70) SAND STONE YELLOW
- POLYURETHANE (POLY U 75) BLACK
- POLYURETHANE (POLY U 95) BLUE
- POLYURETHANE (POLY U 95) PILLAR BOX RED
- POLYURETHANE (POLY-U 70) BLUE
- POLYURETHANE (POLY-U 90)
- POLYURETHANE (POLY U 70) GREY MOSS.
- POLYURETHANE (POLY-U 70) RED.
- POLYURETHANE (POLY-U 83) GREY
- POLYURETHANE (POLY-U 95) GREY.
- POLYURETHANE (POLY U 60) BLUE.
- POLYURETHANE (POLY-U 70) GREEN
- POLYURETHANE (POLY-U 85) BLACK.
- POLYURETHANE (POLY U 70/75) BLACK
- POLYURETHANE NOM HARDNESS 55 SHORE D BLACK (VERY HIGH HARDNESS)
- POLYURETHANE (POLY U) RUBBER 90.
- POLYURETHANE (PU 60) BLACK
- POLYURETHANE (PU 70) GREEN
P.C.R. MOLDING RUBBER GRADES
- PCR RUBBER (GOOD FLEX) PCR GRADE 80.
- PCR RUBBER 55 HARD, YELLOW COMPOUND (NEO).
- PCR RUBBER 60/70 BLACK
- PCR RUBBER GRADE 75/80 IRHD
- PCR RUUBER GRADE 78/83 (CONDUCTIVE).
- PCR RUBBER 80 HARD (CONDUCTIVE).
HNBR (HYDROGENATED NITRILE) RUBBER MOLDING GRADES
- HNBR ZSC 70 HARD
- HNBR 70 HARD GREEN
- HNBR 50 HARD (BASIC PROPERTIES)
- HNBR RUBBER HIGH TEAR GRADE 60 BLACK.
- HNBR 50 HARD
- HNBR 50/60 HARD
- HNBR 60 HARD
- HNBR 60 HARD
- HNBR 70 HARD
- HNBR 70 HARD
- HNBR 70 HARD BLUE FDA COMPLIANT
- 1739/06 HNBR 80 HARD
- HNBR 70 HARD (BUTSER PAD BLEND)
- HNBR 80/85 HARD (BLUE)
- HNBR 90, HARD BLACK. S.G. OF 1.25.
- HNBR GRADE 90 (BLACK)
HYDRIN MOLDING RUBBER GRADES
- HYDRIN 45/55 IRHD
- HYDRIN 60 IRHD (CONDUCTIVE).
- HYDRIN 60 HARD.
- HYDRIN 55/65 HARD (GREY)
- HYDRIN 70/75 HARD
- HYDRIN 85/95 IRHD
NITRILE MOLDING RUBBER GRADES
- NITRILE RUBBER 40/45 HARD GREY FOOD QUALITY NITRILE
- NITRILE RUBBER 60 SHORE WHITE FOOD QUALITY NON-STAINING NITRILE
- NITRILE RUBBER BA60 (NBR 60) BS 2751
- NITRILE RUBBER BS2751 BA40 (NITRILE 36-45 IRHD)
- NITRILE RUBBER BS2751 BA80 (NITRILE 76-85 IRHD)
- NITRILE RUBBER (LOW NITRILE) 60 HARD (BLACK)
- NITRILE RUBBER (LOW NITRILE) 70 HARD
- NITRILE RUBBER NBR 40/45 SHORE (RED)
- NITRILE RUBBER NBR 50/55 IRHD (94A)
- NITRILE RUBBER NBR 55 IRHD (DTD GRADE 5509/D)
- NITRILE RUBBER NBR 55/65 FOOD QUALITY, WHITE
- NITRILE RUBBER NBR 60 IRHD (DTD 5594) GRADE 60
- NITRILE RUBBER NBR 60 HARD (DTD 5595A)
- NITRILE RUBBER NBR 60 IRHD,FOOD QUALITY, WHITE
- NITRILE RUBBER NBR 70 SHORE (BA70) BS 2751:2001 BA
- NITRILE RUBBER NBR 70 IRHD (BLACK) FQ
- NITRILE RUBBER NBR 70 IRHD (DTD 5594A) GRADE 70
- NITRILE RUBBER NBR 75/85 HARD (PEROXIDE).
- NITRILE RUBBER NBR 80 HARD.
- NITRILE RUBBER NBR 80/90 IRHD (5595A).
- NITRILE RUBBER NBR 90 SHORE (BA 90).
- NITRILE RUBBER NBR 90 (DTD 5594A) GRADE 90.
- NITRILE RUBBER NBR/HNBR, 60 HARD, GOOD TEAR.
- NITRILE RUBBER NBR/PVC 45 HARD, BLUE.
- NITRILE RUBBER NBR/PVC 60 HARD, BLUE.
- NITRILE RUBBER NIT 40/45 HARD, GREY, F/Q.
- NITRILE RUBBER 40/45 HARD (RED)
- NITRILE RUBBER 65/75 HARD, BRIGHT RED.
- NITRILE RUBBER 70 SHORE, LIGHT GREY.
- NITRILE RUBBER (DTD 5595A) GRADE 70.
- NITRILE RUBBER TO BS2751 BA60 56-65 HARDNESS
- NITRILE RUBBER TO BS2751 BA70 66-75 HARDNESS
- NITRILE RUBBER PSLC/6 GRADE.D. NITRILE 70 SHORE (VOLKES)
SILICONE RUBBER MOLDING GRADES
- SILICONE RUBBER 60 HARD, (BLUE) PLATINUM CURED.
- SILICONE RUBBER MOULDING COMPOUND GRADE.50(FOOD-QUALITY)GREY(SIL50FQ)
- SILICONE RUBBER MOULDING COMPOUND 10 HARD. (BLUE)
- SILICONE RUBBER (GREEN) GRADE 60
- SILICONE RUBBER LT50-02 (DCBP, BLACK)
- SILICONE RUBBER PINK GRADE 50.
- SILICONE RUBBER (GRADE 60) BLUE, (BR/SL/WS.60.1.BL2)
- SILICONE RUBBER 30/35HARD (BLUE).
- SILICONE RUBBER 35 IRHD (TRANSLUCENT).
- SILICONE RUBBER 35/40 IRHD (BLACK).
- SILICONE RUBBER 40 HIGH TEAR, BLUE.
- SILICONE RUBBER 40 IRDH HIGH TEAR (HT GRADE) RED
- SILICONE RUBBER 40 IRHD (RED OXIDE)
- SILICONE RUBBER 40 IRHD (RED RIO)
- SILICONE RUBBER 40 HARD TRANSLUCENT
- SILICONE RUBBER 50 SHORE (BLACK) HIGH
- SILICONE RUBBER 50 HARD, DTD 5531A. (WHITE)
- SILICONE RUBBER 50 IRHD H.S GREY FR.
- SILICONE RUBBER 50 IRHD (TRANS)
- SILICONE RUBBER 50 SHORE TRANSLUCENT
- SILICONE RUBBER 50 WHITE (DTD 5531)
- SILICONE RUBBER 50 WHITE F/Q (FOOD QUALITY)
- SILICONE RUBBER 50/55 WHITE (TRANSLUCENT)
- SILICONE RUBBER 50/60 PLATINUM-CURE, RED IRON OXIDE.
- SILICONE RUBBER 50/60 R10 RED
- SILICONE RUBBER 60 PLATINUM-CURE BLUE
- SILICONE RUBBER 60 HIGH TEAR BLACK
- SILICONE RUBBER 60 HIGH TEAR LT GREY
- SILICONE RUBBER 60 PLATINUM CURE RED
- SILICONE RUBBER 60 RED RIO
- SILICONE RUBBER 60 RIO. DTD 5582A.
- SILICONE RUBBER 60 TRANS HT
- SILICONE RUBBER 60 WHITE DTD 5531A GRADE 60
- SILICONE RUBBER 60 YELLOW HIGH TEAR
- SILICONE RUBBER 70 BLUE DTD 5582
- SILICONE RUBBER 70 DRAB OLIVE GREEN
- SILICONE RUBBER 70 DTD 5531 WHITE
- SILICONE RUBBER 70 DTD 5531 WHITE
- SILICONE RUBBER 70 RED IRON OXIDE DTD 5582A
- SILICONE RUBBER 70 TRANS
- SILICONE RUBBER 80 HIGH TEAR BLACK
- SILICONE RUBBER 80 TRANS
- SILICONE RUBBER 85 BLACK NON MARKING
- SILICONE RUBBER DTD 5531 A GRADE 70
- SILICONE RUBBER DTD 5582A GRADE 60
- SILICONE RUBBER GRADE 20 RED
- SILICONE RUBBER GRADE 50 RIO BR/SI/WS.50.1.RIO
- SILICONE RUBBER GRADE 60 DRAK GREY FIRE RETARDANT BR/SI/009
- SILICONE RUBBER GREY 50
- SILICONE RUBBER HIGH TEAR 60 RIO DTD5615A
- SILICONE RUBBER RIO 70
- SILICONE RUBBER 10 IRHD WHITE
- SILICONE RUBBER 20 IRHD BLACK
- SILICONE RUBBER 20 IRHD RED OXIDE (HIGH TEMPERATURE)
- SILICONE RUBBER GP GRADE 50 BLACK (BR 15)
- SILICONE RUBBER HIGH TEAR, TRANS GRADE 60
- SILICONE RUBBER OIL RESISTANT DTD5582A GRADE 60 BLACK
- SILICONE RUBBER PLATINUM CURED GRADE 60 BLUE
- SILICONE RUBBER, PLATINUM CURE GRADE 40 YELLOW
- SILICONE RUBBER Translucent 40SILICONE RUBBER WHITE TO DTD 5531A GRADE 70
- WHITE SILICONE RUBBER 10-20 SHORE (BR/CC/8126M/002)
- WHITE SILICONE RUBBER DTD5531A GRADE 80A
S.B.R RUBBER MOLDING GRADES
- SBR RUBBER (GRADE 70) BLACK.
- SBR RUBBER (GRADE 60) BLACK.
- SBR RUBBER (BR 70) ROLLER COMPOUND.
F.K.M (FLUOROCARBON)/VITON® RUBBER MOLDING GRADES
- FKM RUBBER (DTD 5543A) GRADE E 71-80
- FKM RUBBER 50 IRHD. (DTD 5612A) GRADE 50
- FKM RUBBER (50/55 HARD) BRIGHT RED (HEAT STABILISED)
- FKM RUBBER (60 HARD) GREEN (FLUOROCARBON).
- FKM RUBBER 60. (DTD 5543B) GRADE 60.
- FKM RUBBER 60. (DTD 5612A) GRADE 60.
- FKM RUBBER 70. (DTD 5543B) GRADE 70.
- FKM RUBBER 75 HARD. (AMS-R-83248C)
- FKM RUBBER 75. DTD 5543A GRADE E
- FKM RUBBER 75. DTD 5612A GRADE 70 MILL-R-83248C (AMS-R-83248C)
- FKM RUBBER 85 HARD (BRIGHT-RED)
- FKM RUBBER GRADE 90 HARD.
- FKM RUBBER GRADE 80 IRHD.
- FKM RUBBER (FLOUREL/FLUOROCARBON) 80 HARD (GREY).
- FKM RUBBER (FLUOROCARBON) AMS-R-83485, GRADE 70-80 (BLACK).
- FKM RUBBER (FLUOROCARBON) 60 HARD (GREEN).
- FKM RUBBER (VITON®) GRADE 50 (DTD 5612 A)
- FKM RUBBER (VITON®) 50 HARD (RED)
- FKM RUBBER (VITON®) 55/65 IRHD (GREEN)
- FKM RUBBER (VITON®) 65/70 HARD (GREEN)
- FKM RUBBER (VITON®) GRADE 70 (BLUE)
- FKM RUBBER (VITON®) 70 HARD (BROWN).
- FKM RUBBER (VITON®) (B 60) 60 HARD.
- FKM RUBBER (VITON®) (B GRADE 70) 70 HARD.
- FKM RUBBER (VITON®) (DTD 5543 B) 60 HARD.
- FKM RUBBER (VITON®) (DTD 5612 A) 50 HARD.
- FKM RUBBER (VITON®) (DTD 5612 A) GRADE 80 HARD.
- FKM RUBBER (VITON®) E 60 C – (60/65 HARD) BLACK.
- FKM RUBBER (VITON®) GF 60 (GRADE 60).
- FKM RUBBER (VITON®) GF 70 HARD (BLACK).
- FKM RUBBER (VITON®) GF 70/75 IRHD.
- FKM RUBBER (VITON®) GF 90 IRHD.
- FKM RUBBER (VITON®) GF 90 (BLACK).
- FKM RUBBER (VITON®) GLT GRADE 70 HARD.
- FKM RUBBER (VITON®) TYPE GLTS (GRADE 60) BLACK.
VITONS® ARE A DUPONT PRODUCT.
All of the above molding materials are able to be molded into rubber straps. There are better rubber strap materials then others, but we are able to manufacture your rubber straps to your requirements. The most common rubber straps are Natural rubber straps and Neoprene rubber straps under normal conditions with Viton rubber straps being common for high temperature conditions.
The Materials below can be molded into sheets and then gasket punched:
- Natural rubber
- Silicone rubber
- HNBR / Hydrogenated Nitrile Rubber
- Viton ® / FKM / Flourocarbon
- Neoprene ® / Chloroprene Rubbers
- Nitrile rubber (NBR, Buna N)
- Flurosilicone
- Butyl
- SBR
- Ethylene propylene rubbers (EP, EPDM)
- Polyurethane
- Polynorbenene (Norsorex ®)
- Molded nylon-reinforced rubber sheeting (Insertion materials)
- Epichlorohydrin rubber
- Platinum cured silicone
- Hydrin
Natural Rubber | SBR | EPDM | Neoprene (CR) | Hypalon* (CSM) | Nitrile (NBR) | Acrylic (ACM) | Vam ac* | Silicone (Si) | Therban† | Viton (FPM) | Fluro- silicone (FSi) | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Natural Rubber | SBR | EPDM | Neoprene (CR) | Hypalon* (CSM) | Nitrile (NBR) | Acrylic (ACM) | Vam ac* | Silicone (Si) | Therban† | Viton (FPM) | Fluro- silicone (FSi) | |
Basic Properties | ||||||||||||
Cost Factor | 1 | 1 | 2 | 2 | 3 | 2 | 4 | 4 | 6 | 8 | 15 | 40 |
Hardness Range (Shore A) | 30 - 90° | 40 - 95° | 30 - 85° | 30 - 90° | 40 - 85° | 40 - 100° | 50 - 85° | 45 - 90° | 40 - 80° | 50 - 95° | 50 - 95° | 40 - 80° |
Colours | Full Range | Full Range | Limited | Full Range | Limited | Limited | Black | Limited | Limited | Limited | Limited | Limited |
Temperature Tolerances (degrees celsius) | ||||||||||||
Maximum Continuous | 75° | 85° | 130° | 95° | 130° | 100° | 150° | 150° | 205° | 125° | 205° | 180° |
Maximum Intermittent | 105° | 115° | 150° | 125° | 160° | 130° | 180° | 180° | 300° | 160° | 300° | 200° |
Minimum Temperature | -60° | -55° | -50° | -40° | -25° | -20° | -20° | -40° | -60° | -30° | -20° | -60° |
Environmental Tolerances | ||||||||||||
Oxidation | Fair | Fair | Excellent | Very Good | Excellent | Good | Excellent | Excellent | Excellent | Excellent | Excellent | Excellent |
Ozone & Weathering | Poor | Poor | Excellent | Very Good | Excellent | Fair | Excellent | Excellent | Excellent | Very Good | Excellent | Excellent |
Oil Resistance (degrees celsius) | ||||||||||||
ASTM Oil No. 1 @ 20° | Poor | Poor | Fair | Excellent | Excellent | Excellent | Excellent | Excellent | Excellent | Excellent | ||
ASTM Oil No. 1 @ 100° | Poor | Poor | Poor | Good | Good | Good | Excellent | Excellent | Good | Excellent | Excellent | Excellent |
ASTM Oil No. 3 @ 20° | Poor | Poor | Poor | Good | Excellent | Excellent | Good | Fair | Excellent | Excellent | ||
ASTM Oil No. 3 @ 100° | Poor | Poor | Poor | Fair | Fair | Good | Good | Fair | Fair | Fair | Excellent | Excellent |
Fuel Resistance (degrees celsius) | ||||||||||||
ASTM Fuel B @ 40° | Poor | Poor | Poor | Poor | Poor | Fair | Poor | Poor | Poor | Poor | Excellent | Fair |
Solvent Resistance (@ 20° celsius) | ||||||||||||
Alcohol | Good | Good | Good | Good | Good | Good | Good | Fair | Good | Excellent | Good | Good |
Acetone | Fair | Fair | Good | Fair | Fair | Poor | Poor | Fair | Fair | Good | Unsuitable | Unsuitable |
Benzene | Poor | Poor | Poor | Poor | Poor | Poor | Poor | Poor | Poor | Fair | Good | Good |
Chemical Resistance | ||||||||||||
Acids | Fair | Fair | Good | Good | Very Good | Good | Poor | Fair | Fair | Good | Excellent | Good |
Bases | Good | Good | Good | Fair | Good | Fair | Poor | Good | Fair | Good | Good | Fair |
Physical Properties | ||||||||||||
Physical Strength | Excellent | Good | Good | Good | Good | Good | Good | Good | Poor | Good | Good | Poor |
Compression Set | Good | Good | Good | Fair | Fair | Good | Good | Fair | Good | Good | Good | Good |
Tear & Abrasion Resistance | Excellent | Good | Good | Good | Good | Good | Good | Good | Poor | Very Good | Good | Poor |
Resilience | Excellent | Good | Very Good | Very Good | Fair | Good | Poor | Fair | Good | Fair | Fair | Fair |
Resistance | ||||||||||||
Permeability To Gases | Poor | Low | Low | Low | Low | Low | Low | Very Low | Low | Good | Very Low | Low |
Electrical Strength | Excellent | Excellent | Excellent | Good | Good | Poor | Fair | Good | Excellent | Poor | Good | Excellent |
Flame Resistance | Poor | Poor | Poor | Self - Extinguish | Good | Poor | Poor | Fair | Good | Poor | Self - Extinguish | Self - Extinguish |
Water Resistance | Very Good | Good | Excellent | Good | Very Good | Good | Poor | Good | Good | Very Good | Good | Good |
*Du Pont Registered Trade Mark | †Bayer Registered Trade Mark