Rubbers and Materials used in Moulding and Gasket Cutting
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.
Standard Rubber Materials and Grades
Materials sold in sheet or Gasket form
(Not including all moulded rubber materials mentioned in Perious list)
- Cork Bonded Nitrile 1.5mm, 2.5mm, 3mm up to 6mm
- Silicone Sponge 1.5mm - 25mm thick
- Neoprene / EPDM Sponge 1.5mm - 25mm thick
- Form Rubbers
- Plastazote Foams
- Nylon-reinforced Rubber sheet gaskets (Insertion Materials)
- Felt
- Cork
- Leather
- 3M transfer tapes used in conjunction with rubber or foam gaskets
- Paper/Card including all klinger
- Self-adhesive backing to all of the above - please ask for details
Butser Rubber Ltd also offer moulded rubber sheets and gasket cutting in non-standard materials Please enquiry for full spec, hardness and colours available for each material.
Material Grades and Standards
Materials can conform to Standards specifications including:
British Standards, ISO, Def Stan (Defence Standard), DTD specifications, ASTM, AMS, WRC, WRAS and SAE.
| |
Natural Rubber |
SBR |
EPDM |
Neoprene (CR) |
Hypalon* (CSM) |
Nitrile (NBR) |
Acrylic (ACM) |
Silicone (Si) |
Viton (FPM/FKM) |
Fluro- silicone (FSi) |
| |
Natural Rubber |
SBR |
EPDM |
Neoprene (CR) |
Hypalon* (CSM) |
Nitrile (NBR) |
Acrylic (ACM) |
Silicone (Si) |
Viton (FPM) |
Fluro- silicone (FSi) |
| Basic Properties |
| Cost Factor |
1 |
1 |
2 |
2 |
3 |
2 |
4 |
6 |
15 |
40 |
| Hardness Range (Shore A) |
30 - 90° |
40 - 95° |
30 - 85° |
30 - 90° |
40 - 85° |
40 - 100° |
50 - 85° |
40 - 80° |
50 - 95° |
40 - 80° |
| Colours |
Full Range |
Full Range |
Limited |
Full Range |
Limited |
Limited |
Black |
Limited |
Limited |
Limited |
| Temperature Tolerances (degrees celsius) |
| Maximum Continuous |
75° |
85° |
130° |
95° |
130° |
100° |
150° |
205° |
205° |
180° |
| Maximum Intermittent |
105° |
115° |
150° |
125° |
160° |
130° |
180° |
300° |
300° |
200° |
| Minimum Temperature |
-60° |
-55° |
-50° |
-40° |
-25° |
-20° |
-20° |
-60° |
-20° |
-60° |
| Environmental Tolerances |
| Oxidation |
Fair |
Fair |
Excellent |
Very Good |
Excellent |
Good |
Excellent |
Excellent |
Excellent |
Excellent |
| Ozone & Weathering |
Poor |
Poor |
Excellent |
Very Good |
Excellent |
Fair |
Excellent |
Excellent |
Excellent |
Excellent |
| Oil Resistance (degrees celsius) |
| ASTM Oil No. 1 @ 20° |
Poor |
Poor |
Fair |
Excellent |
Excellent |
Excellent |
|
Excellent |
Excellent |
Excellent |
| ASTM Oil No. 1 @ 100° |
Poor |
Poor |
Poor |
Good |
Good |
Good |
Excellent |
Good |
Excellent |
Excellent |
| ASTM Oil No. 3 @ 20° |
Poor |
Poor |
Poor |
Good |
Excellent |
Excellent |
|
Good |
Excellent |
Excellent |
| ASTM Oil No. 3 @ 100° |
Poor |
Poor |
Poor |
Fair |
Fair |
Good |
Good |
Fair |
Excellent |
Excellent |
| Fuel Resistance (degrees celsius) |
| ASTM Fuel B @ 40° |
Poor |
Poor |
Poor |
Poor |
Poor |
Fair |
Poor |
Poor |
Excellent |
Fair |
| Solvent Resistance (@ 20° celsius) |
| Alcohol |
Good |
Good |
Good |
Good |
Good |
Good |
Good |
Good |
Good |
Good |
| Acetone |
Fair |
Fair |
Good |
Fair |
Fair |
Poor |
Poor |
Fair |
Unsuitable |
Unsuitable |
| Benzene |
Poor |
Poor |
Poor |
Poor |
Poor |
Poor |
Poor |
Poor |
Good |
Good |
| Chemical Resistance |
| Acids |
Fair |
Fair |
Good |
Good |
Very Good |
Good |
Poor |
Fair |
Excellent |
Good |
| Bases |
Good |
Good |
Good |
Fair |
Good |
Fair |
Poor |
Fair |
Good |
Fair |
| Physical Properties |
| Physical Strength |
Excellent |
Good |
Good |
Good |
Good |
Good |
Good |
Poor |
Good |
Poor |
| Compression Set |
Good |
Good |
Good |
Fair |
Fair |
Good |
Good |
Good |
Good |
Good |
| Tear & Abrasion Resistance |
Excellent |
Good |
Good |
Good |
Good |
Good |
Good |
Poor |
Good |
Poor |
| Resilience |
Excellent |
Good |
Very Good |
Very Good |
Fair |
Good |
Poor |
Good |
Fair |
Fair |
| Resistance |
| Permeability To Gases |
Poor |
Low |
Low |
Low |
Low |
Low |
Low |
Low |
Very Low |
Low |
| Electrical Strength |
Excellent |
Excellent |
Excellent |
Good |
Good |
Poor |
Fair |
Excellent |
Good |
Excellent |
| Flame Resistance |
Poor |
Poor |
Poor |
Self - Extinguish |
Good |
Poor |
Poor |
Good |
Self - Extinguish |
Self - Extinguish |
| Water Resistance |
Very Good |
Good |
Excellent |
Good |
Very Good |
Good |
Poor |
Good |
Good |
Good |
*Du Pont Registered Trade Mark | †Bayer Registered Trade Mark
Rubber and Silicone Moulding Compounds Commonly Stocked
BUTYL RUBBER
- BUTYL 40 (B 40)
- BUTYL TO BS3227 B50 BLACK
- BUTYL 50 TO BS 3227:2003 GRADE B50
- BUTYL 60
- BUTYL (BS3227 (B60)(56-65)
- CHLORO-BUTYL RUBBER GRADE 60 BLACK TO DEF STAN 93-86
- BROMO BUTYL BS3227:2003 GRADE B60
EPDM (ETHYLENE PROPYLENE DIENE MONOMER) RUBBER
- EPDM 20/25 BLACK
- EPDM 40 SHORE
- EPDM 40/45 BLACK
- EPDM 60 GREY
- EPDM 60 PEROXIDE
- EPDM 65/75 BLACK
- EPDM 65/75 RED
- EPDM 70 SHORE
- EPDM 70 BLACK INSULATIVE
- EPDM 70 RED
- EPDM 70 WHITE FDA APPROVED
- EPDM 70 WHITE FDA COMPLIANT
- EPDM 80
- EPDM 80 PEROXIDE DTD 5597A GRD 80
- EPDM 80 PEROXIDE. DTD5597A GRADE 80 BLACK
- EPDM 80/85 FDA AQUEOUS
- EPDM HIGH ENB EPDM 80 PEROXIDE.
- EPDM RUBBER APPROX 20 SHORE. (AVERAGE HARDNESS 22 SHORE)
- EPDM RUBBER GRADE 70 BLACK, (WATER COUNCIL TYPE)
- EPDM RUBBER INSULATIVE GRADE 50 BLACK
- EPDM/SBR 80 BLACK
FLUOROSILICONE AND FLUOROELASTOMERS
- FLUOROSILICONE LS63
- FLUOROSILICONE AMS R 25988 GRADE 70 BLUE/RED
- FLUOROSILICONE 40 BLACK
- FLUOROSILICONE RUBBER GRD 50 GREEN
- FLUOROSILICONE RUBBER TO AMS-R-25988 CLASS 1 GRADE 60 TYPE 2 COLOUR BLUE
- FLUOROSILICONE RED
- FLUOROSILICONE (LS63) BLUE
- FLUOROSILICONE 60, BLACK
- FLUOROSILICONE 60 BLUE
- FLUOROSILICONE RED (LS63 RIO)
- FLUOROSILICONE R 25988 B GRADE 70 (AMS-R-25988) BLUE
- FLUOROSILICONE RUBBER, GRADE 80. BLUE
- FLUORO-SILICONE 80, WHITE. S.G. IS 1.7
- FLUOROSILICONE 60, BLACK. S.G. IS 1.45
- FLUROSILICONE LS 2860 VAROX TRANS
- FLUOROSILICONE 40 SHORE, BLACK, HEAT TEMPERED TO 250 DEG
- FLUOROSILICONE GRADE 80 BLUE
- FLUOROSILICONE (FSE7560-D1) EQUIVALENT TO LS63U
HYDROGENATED NITRILE BUTADIENE RUBBER (HNBR)
- HNBR 50 SHORE
- HNBR 50 (BASIC PROPERTIES)
- HNBR 50/60 SHORE
- HNBR 60 GRADE (HIGH TEAR) BLACK
- HNBR 60 SHORE
- HNBR 60 SHORE
- HNBR 70 GREEN
- HNBR 70 ZSC
- HNBR 70
- HNBR 70
- HNBR 70 BLUE FDA COMPLIANT
- HNBR 70 (BUTSER PAD BLEND)
- HNBR 80
- HNBR 80/85 BLUE
- HNBR 90, BLACK. S.G. OF 1.25
- HNBR GRADE 90, BLACK
NATURAL RUBBER (NR)
- NR 30/35 BLACK.
- NR 40 BLACK
- NR 40 ELONGATION
- NR 40 GREY F/Q
- NR 40 LIGHT GREEN
- NR 40 LIGHT GREY
- NR 40 OLIVE GREEN
- NR 40. BS 1154. (Z 40)
- NR 50 (Z 50)
- NR 50 BLACK
- NR 55. BS1154:2003 Y3 WHITE
- NR 60 (Z60)
- NR 60 (YELLOW)
- NR 70 (ARE 1070)
- NR 70 F/Q WHITE
- NR 70 GREY HIGH TEAR/WEAR NERO
- NR 70. BS 1154. (Z 70)
- NR 70 +/-3IRHD
- NATURAL RUBBER (Z 70) BLACK.
- 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
- NR 75.
- NR 80. (Z 80)
- NR 85
- NR 90 (STYRENE RESIN) EQUIVALENT TO BR15
- HSN401 GUM STOCK NATURAL RUBBER BLACK
- NAT/NEO 50-60
- Z50 (NR50)
POLYCHLOROPRENE AND NEOPRENE© RUBBER
- POLYCHLOROPRENE 40 GREY
- POLYCHLOROPRENE 40 (NON ETU)
- POLYCHLOROPRENE 50 GREEN NE
- POLYCHLOROPRENE 50 (NON ETU) (C 50)
- POLYCHLOROPRENE 50 RED (PCR 50)
- POLYCHLOROPRENE 50 YELLOW
- POLYCHLOROPRENE 50-55
- POLYCHLOROPRENE 55/60
- POLYCHLOROPRENE 60 NE GREY
- POLYCHLOROPRENE 60 NE GREY (RAL 7036)
- POLYCHLOROPRENE 60 NON ETU. BS2752 C60
- POLYCHLOROPRENE 70 GREY (NE)
- POLYCHLOROPRENE YELLOW 55 SHORE
- NEOPRENE 40 NON-BLOOMING (WITHOUT WAX)
- NEOPRENE 40 (NE CR QX40) NON TYP
- NEOPRENE 60 (NE CR QX60) NON TYP
- NEOPRENE C.40 (NON ETU)
- NEOPRENE C.60 TO BS2752 (NON ETU)
- NEOPRENE C.80 TO BS2752 BLACK
- NEOPRENE 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
- NEO POLYCHLOROPRENE BS2752 C40 BLACK NEOPRENE
- NEO POLYCHLOROPRENE BS2752 C60 NE (NON ETU )
- NEO POLYCHLOROPRENE BS2752 C70 NEOPRENE 66-75
POLYURETHANE RUBBER (POLY-U RUBBERS) (PUR)
- POLYURETHANE 50 BLACK
- POLYURETHANE 50 WASHED OUT BLUE
- POLYURETHANE 75 GREY
- POLYURETHANE 95
- POLYURETHANE 95 BLACK.
- POLYURETHANE -70 GREEN BR/FP/04/08/034
- POLYURETHANE 70 SAND STONE YELLOW
- POLYURETHANE 75 BLACK
- POLYURETHANE 95 BLUE
- POLYURETHANE POLY U 95 PILLAR BOX RED
- POLYURETHANE 60 (BLUE)
- POLYURETHANE 70 (GREEN)
- POLYURETHANE 85, BLACK
- POLYURETHANE GRD 70/75 BLACK.
- POLYURETHANE NOM HARDNESS 55 SHORE D BLACK (VERY HIGH HARDNESS)
- POLYURETHANE RUBBER 90.
- POLYU 70 GREY MOSS
- POLY-U 70 RED
- POLY-U 83 GREY
- POLY-U 95 GREY
- POLY-U 70 BLUE
- POLY-U 90.
- PU 60 BLACK
- PU 70 GREEN
EPICHLOROHYDRIN RUBBER (HYDRIN)
- EPICHLOROHYDRIN 45/55 SHORE
- EPICHLOROHYDRIN 60 CONDUCTIVE
- EPICHLOROHYDRIN 60 SHORE
- EPICHLOROHYDRIN 55/65 GREY
- HYDRIN RUBBER 70/75
- HYDRIN RUBBER 85/95
NITRILE RUBBER (NBR)
- NITRILE 40/45 SHORE (GREY FOOD QUALITY)
- NITRILE 60 SHORE (WHITE FOOD QUALITY) NON-STAINING
- NITRILE BS2751 BA40 36-45 IRHD
- NITRILE BA60 (NBR60) BS 2751
- NITRILE (BS2751) BA80 76-85 IRHD
- NITRILE 40/45 RED
- NITRILE 65/75 BRIGHT RED
- NITRILE 70 IRHD (LIGHT-GREY)
- NITRILE DTD 5595A (GRD-70)
- NITRILE RUBBER (BS2751 BA60) 56-65 HARDNESS
- NITRILE RUBBER (BS2751 BA70) 66-75 HARDNESS
- NITRILE PSLC/6 GRADE.D
- NITRILE 70 Shore A
- NBR 40/45 RED
- NBR 40/45 (GREY F/Q)
- NBR 50/55 94 A
- NBR 55 DTD 5509/D
- NBR 55/65 F.Q.WHITE
- NBR 60 DTD 5594 GR 60
- NBR 60 DTD 5595 A
- NBR 60 (FQ) WHITE
- NBR 70 (BA70) BS 2751:2001 (BA)
- NBR 70 BLACK (FQ)
- NBR 70 DTD 5594A GRADE 70
- NBR 75/85 PEROXIDE CURE
- NBR 80
- NBR 80/90 (5595A)
- NBR 90 (BA 90) NITRILE
- NBR 90 DTD 5594A GRADE 90
- NBR/HNBR 60 (GOOD TEAR)
- NBR/PVC 45 (BLUE)
- NBR/PVC 60 (BLUE)
- LOW NITRILE (LOW NBR) 60 BLACK
- LOW NITRILE (LOW NBR) 70
PCR RUBBER
- PCR 55 SHORE YELLOW NEO
- PCR 60/70 IRHD BLACK
- PCR 75/80 IRHD
- PCR 78/83 (CONDUCTIVE)
- PCR GOOD FLEX 80 SHORE
- PCR 80 SHORE (CONDUCTIVE)
- PCR 70 BLACK (+GRAPHITE)
- PCR BS2752:2003 C80 BLACK
SILICONE RUBBER (MOULDING GRADES)
- SILICONE 60 BLUE PLATINUM CURED
- GREEN SILICONE GRADE 60
- SILICONE RUBBER LT50-02 (DCBP, BLACK)
- SILICONE PINK GRADE 50
- SILICONE GRADE 60 BLUE, BR/SL/WS.60.1.BL2
- SILICONE TRANSLUCENT
- SILICONE RUBBER MOULDING COMPOUND GRD.50 (FOOD-QUALITY)
- SILICONE BLUE MOULDING COMPOUND 10 HARD
- SILICONE 30/35 BLUE
- SILICONE 35 TRANSLUCENT
- SILICONE 35/40 BLACK
- SILICONE 40 HIGH TEAR, BLUE
- SILICONE 40 HT RED
- SILICONE 40 RED OXIDE
- SILICONE 40 RED RIO
- SILICONE 40 TRANSPARENT
- SILICONE 50 BLACK HIGH
- SILICONE 50 DTD 5531A. GRADE 50 (WHITE)
- SILICONE 50 H.S GREY FR
- SILICONE 50 TRANSLUCENT
- SILICONE 50 TRANSPARENT
- SILICONE 50 WHITE (DTD 5531)
- SILICONE 50 WHITE FODD QUALITY)
- SILICONE 50/55 WHITE TRANSLUCENT
- SILICONE 50/60 PLATINUM-CURE, RED IRON OXIDE
- SILICONE 50/60 R10 RED
- SILICONE 60 PLATINUM-CURE (BLUE)
- SILICONE 60 HIGH TEAR (BLACK)
- SILICONE 60 HIGH TEAR (LIGHT GREY)
- SILICONE 60 PLATINUM CURE RED
- SILICONE 60 RED RIO
- SILICONE 60 RIO. (DTD 5582 A)
- SILICONE 60 TRANSLUCENT HIGH TEAR
- SILICONE 60 WHITE (DTD 5531 A) GRD 60
- SILICONE 60 YELLOW (HIGH-TEAR)
- SILICONE 70 BLUE DTD 5582
- SILICONE 70 DRAB OLIVE GREEN
- SILICONE 70 DTD 5531 WHITE
- SILICONE 70 DTD 5531 WHITE
- SILICONE 70 RED IRON OXIDE DTD 5582A
- SILICONE 70 TRANS TRANSLUCENT
- SILICONE 80 HIGH TEAR BLACK
- SILICONE 80 TRANSPARENT
- SILICONE 85 SHORE (BLACK NON-MARKING)
- SILICONE (DTD 5531 A) GRD 70
- SILICONE (DTD 5582 A) GRD 60
- SILICONE GRADE 20 RED
- SILICONE GRADE 50 RIO BR/SI/WS.50.1.RIO
- SILICONE GRADE 60 DRAK GREY FIRE RETARDANT BR/SI/009
- SILICONE GREY 50
- SILICONE HIGH TEAR 60 (RED IRON OXIDE) DTD 5615 A
- SILICONE 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 DTD 5582 A GRADE 60 BLACK
- SILICONE RUBBER PLATINUM CURED GRD 60 BLUE
- SILICONE RUBBER, PLATINUM CURE GRADE 40 YELLOW
- SILICONE CLEAR 40
- SILICONE WHITE TO DTD 5531A GRD 70
- WHITE SILICONE 10-20 SHORE A
- WHITE SILICONE DTD 5531 A GRADE 80 A
SBR RUBBER (STYRENE BUTADIENE RUBBER)
- SBR 70 BLACK
- SBR RUBBER GRADE 60 BLACK
- SBR/BR 70 ROLLER
FKM, VITON® AND FLUOROCARBON RUBBERS
- FKM GRADE E (DTD 5543 A) 71-80 SHORE
- FKM 50. (DTD 5612 A) GRADE 50 SHORE
- FKM 50/55 (BRIGHT-RED) HEAT-STABILISED RUBBER
- FKM 60 GREEN FLUOROCARBON
- FKM 60. DTD 5543B GRADE 60
- FKM 60. DTD 5612A GRADE 60
- FKM 70. DTD 5543B GRADE 70
- FKM 75. AMS-R-83248C
- FKM 75. DTD 5543A GRADE E
- FKM 75. DTD 5612A GRADE 70 MILL-R-83248C (AMS-R-83248C)
- FKM 85 IRHD (BRIGHT-RED)
- FKM 90 FLUOROCARBON RUBBER
- FKM GRADE 80 FLUOROCARBON RUBBER
- FKM GLT GRADE
- FLOUREL/FLUOROCARBON 80 GREY
- FLUOROCARBON RUBBER AMS-R-83485, GRADE 70 - 80, BLACK
- FLUOROCARBON RUBBER, GRADE 60, COLOUR GREEN
- VITON 50 (DTD 5612 A)
- VITON 50 RED
- VITON 55/65 GREEN
- VITON 65/70 GREEN
- VITON 70 BLUE
- VITON 70 BROWN
- VITON B 60
- VITON B GRADE70
- VITON DTD 5543B 60 HARD
- VITON DTD 5612 A 50 HARD
- VITON DTD 5612A GRADE 80
- VITON E60C - 60/65 BLACK
- VITON GF 60
- VITON GF 70 BLACK
- VITON GF 70/75
- VITON GF 90
- VITON GF 90 BLACK
- VITON GLT 70
- VITON RUBBER TYPE GLT
(ALL VITONS® IN THE LIST ABOVE ARE THE TRADE NAME OF DUPONT)
