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.
Materials for Rubber Moulding, Moulded Sheeting and Rubber Gaskets
- Silicone Rubbers
- Natural Rubber
- Chloroprene Rubbers (Neoprene)
- Epichlorohydrin Rubber
- Hydrogenated Nitrile Rubber (HNBR)
- Nitrile Rubbers (NBR, Buna N)
- Platinum Cured Silicone
- Neoprene Sponge
- Fluorosilicone Rubber
- Fluorocarbon Rubber (FKM) (Viton*)
- Ethylene Propylene Rubbers (EP, EPDM)
- Butyl
- Polyurethane
- Polynorbenene (Norsorex)
- Moulded Nylon-reinforced Rubber sheeting (Insertion Materials)
Materials sold in sheet or Gasket form
- 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
We also offer moulded rubber sheets and gasket cutting in non-standard materials Please enquiry for full spec, hardness and colours available for each material.
Standards
Materials can conform to Standards specifications including:
British Standards, ISO, Def Stan, DTD specifications, ASTM and SAE
| |
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
Rubber and Silicone Moulding Compounds Commonly Stocked
BUTYL RUBBER
- BUTYL TO BS3227 B50 BLACK
- BUTYL 40 ( B 40 )
- B.BUTYL 50 TO BS 3227:2003 GRADE B50.
- BUTYL 60 (OLD STOCK)
- CHLORO-BUTYL RUBBER GRADE 60 BLACK TO DEF STAN 93-86
- BROMO BUTYL BS3227:2003 GRADE B60
- BS3227 B60 BUTYL (56-65)
EPDM RUBBER
- EPDM 20/25 BLACK
- EPDM 40
- EPDM 40/45 BLACK
- EPDM 60 GREY
- EPDM 60 PEROXIDE
- EPDM 65/75 BLACK
- EPDM 65/75 RED
- EPDM 70
- 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 GRADE 50 (BLENDED FROM 2 PARTS EPDM 40 TP 1 PART EPDM 70)
- EPDM HIGH ENB EPDM 80 PEROXIDE
- EPDM RUBBER APPROX 20 SHORE. AVERAGE HARDNESS 22 SHORE. (BR/CC/5022M/002)
- EPDM RUBBER GRADE 70 BLACK, WATER COUNCIL TYPE
- EPDM RUBBER INSULATIVE GRADE 50 BLACK
- EPDM/SBR 80 BLACK
FLUOROSILICONE RUBBER
- FLUOROSILICONE LS63 BLUE
- FLUOROSILICONE AMS R 25988 GRADE 70 BLUE/RED BR/CC/3993-4
- FLUOROSILICONE 40 BLACK BR/CC/8F46M/003
- FLUOROSILICONE RUBBER GRD 50 GREEN. BR/CC/8F56M/003
- FLUOROSILICONE RUBBER TO AMS-R-25988 CLASS 1 GRADE 60 TYPE 2 COLOUR BLUE
- RED FLUOROSILICONE (GOODRICH SPEC)
- FLUOROSILICONE LS63 BLUE
- FLUOROSILICONE 60, BLACK
- FLUOROSILICONE 60 BLUE
- RED FLUOROSILICONE 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
- FSE7560-D1 FLUOROSILICONE EQUIVALANT TO LS63U
HNBR RUBBER
- HNBR ZSC 70
- HNBR 70 GREEN
- HNBR 50 (BASIC PROPERTIES)
- HNBR RUBBER HIGH TEAR GRADE 60 BLACK.
- HNBR 50
- HNBR 50/60
- HNBR 60
- HNBR 60
- HNBR 70
- HNBR 70
- HNBR 70 BLUE FDA COMPLIANT
- 1739/06 HNBR 80
- HNBR 70 (BUTSER PAD BLEND)
- HNBR 80/85 BLUE
- HNBR 90, BLACK. S.G. OF 1.25.
- HNBR GRADE 90, BLACK.
NATURAL RUBBER
- 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
- NR 30/35
- NR 40
- 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 M1043
- NR 55. BS1154:2003 Y3 WHITE.
- NR 60
- 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
- NR 75
- NR 80. (Z 80)
- NR 85.
- NR 90 (STYRENE RESIN) EQUIVALENT TO BR15
- Z50 (NR50) BR/FP/12/08/029
NEOPRENE RUBBER
- BS2752 C40 BLACK NEOPRENE
- BS2752 C60 NE (NON ETU )
- BS2752 C70 NEOPRENE 66-75
- NEO 40 GREY
- NEO 40 NON ETU
- NEO 50 GREEN NE
- NEO 50 NON ETU (C 50)
- NEO 50 RED (PCR 50)
- NEO 50 YELLOW
- NEO 50-55
- NEO 55/60
- NEO 60 NE GREY
- NEO 60 NE GREY (RAL 7036)
- NEO 60 NON ETU. BS2752 C60
- NEO 70 GREY (NE)
- NEO YELLOW 55
- NEOPRENE 40 NON-BLOOMING (WITHOUT WAX)
- NEOPRENE 40(NE CR QX40) NON TYP
- NEOPRENE 60(NE CR QX60)NON TYP
- NEOPRENE C40 NON ETU
- NEOPRENE C60 TO BS2752 NON ETU
- NEOPRENE C80 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
- PCR 70 BLACK (+GRAPHITE)
- PCR BS2752:2003 C80 BLACK
POLYURETHANE RUBBER
- P/U 50 BLACK
- P/U 50 WASHED OUT BLUE.
- P/U 75 GREY
- P/U 95
- P/U 95 BLACK
- POLY- U -70 GREEN BR/FP/04/08/034
- POLY U 70 SAND STONE YELLOW
- POLY U 75 BLACK
- POLY U 95 BLUE
- POLY U 95 PILLAR BOX RED
- POLY-U - 70 BLUE
- POLY-U - 90
- POLYU 70 GREY MOSS
- POLY-U-70 RED
- POLY-U-83 GREY
- POLY-U-95 GREY
- 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.
- PU 60 BLACK
- PU 70 GREEN
HYDRIN RUBBER
- HYDRIN 45/55
- HYDRIN 60 CONDUCTIVE.
- HYDRIN 60.
- HYDRIN 55/65 GREY
- HYDRIN 70/75
- HYDRIN 85/95
NITRILE RUBBER
- 40/45 HARD GREY FOOD QUALITY NITRILE
- 60 SHORE WHITE FOOD QUALITY NON-STAINING NITRILE
- BA60 (NBR60) BS 2751
- BS2751 BA40 NITRILE 36-45
- BS2751 BA80 NITRILE 76-85
- LOW NITRILE 60 BLACK
- LOW NITRILE 70
- NBR 40/45 RED
- 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
- 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
- NIT 40/45 GREY F/Q
- NITRILE 40/45 RED
- NITRILE 65/75 BRIGHT RED
- NITRILE 70 LIGHT GREY
- NITRILE DTD 5595A GRADE 70
- NITRILE RUBBER TO BS2751 BA60 56-65 HARDNESS
- NITRILE RUBBER TO BS2751 BA70 66-75 HARDNESS
- NITRILE PSLC/6 GRADE.D. NITRILE 70 VOLKES COMPOUND
PCR RUBBER
- GOOD FLEX PCR 80
- PCR 55 YELLOW NEO
- PCR 60/70 BLACK
- PCR 75/80
- PCR 78/83 CONDUCTIVE
- PCR 80 CONDUCTIVE
SILICONE RUBBER
- SILICONE 60 BLUE PLATINUM CURED
- SILICONE RUBBER MOULDING COMPOUND GRD.50(FOOD-QUALITY)GREY(SIL50FQ)
- BLUE SILICONE MOULDING COMPOUND 10 HARD.
- GREEN SILICONE GRADE 60
- LT50-02 SILICONE RUBBER (DCBP, BLACK)
- PINK SILICONE GRADE 50
- SILICONE GRADE 60 BLUE, BR/SL/WS.60.1.BL2
- SILICONE
- SILICONE 30/35 BLUE
- SILICONE 35 TRANS
- SILICONE 35/40 BLACK
- SILICONE 40 HIGH TEAR, BLUE.
- SILICONE 40 HT RED
- SILICONE 40 RED OXIDE
- SILICONE 40 RED RIO
- SILICONE 40 TRANS
- SILICONE 50 BLACK HIGH
- SILICONE 50 DTD 5531A. GRADE 50 WHITE
- SILICONE 50 H.S GREY FR
- SILICONE 50 TRANS
- SILICONE 50 TRANS
- SILICONE 50 WHITE DTD5531
- SILICONE 50 WHITE F/Q
- SILICONE 50/55 WHITE TRANS
- 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 LT GREY
- SILICONE 60 PLATINUM CURE RED
- SILICONE 60 RED RIO
- SILICONE 60 RIO. DTD 5582A.
- SILICONE 60 TRANS HT
- SILICONE 60 WHITE DTD 5531A 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
- SILICONE 80 HIGH TEAR BLACK
- SILICONE 80 TRANS
- SILICONE 85 BLACK NON MARKING
- SILICONE DTD 5531 A GRD 70
- SILICONE DTD 5582A 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 RIO DTD5615A
- 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 DTD5582A GRADE 60 BLACK
- SILICONE RUBBER PLATINUM CURED GRD 60 BLUE
- SILICONE RUBBER, PLATINUM CURE GRADE 40 YELLOW
- SILICONE TRANS 40
- SILICONE WHITE TO DTD 5531A GRD 70
- WHITE SILICONE 10-20 SHORE (BR/CC/8126M/002)
- WHITE SILICONE DTD5531A GRADE 80A
SBR RUBBER
- SBR 70 BLACK
- SBR RUBBER GRADE 60 BLACK
- SBR/BR 70 ROLLER
VITON® RUBBER AND FKM RUBBER
- DTD 5543A GRADE E 71-80
- FKM 50. DTD 5612A GRADE 50
- FKM 50/55 BRIGHT RED (HEAT STABILISED)
- 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 BRIGHT RED
- FKM 90
- FKM GRADE 80
- FLOUREL/FLUOROCARBON 80 GREY
- FLUOROCARBON RUBBER AMS-R-83485, GRADE 70 - 80, BLACK
- FLUOROCARBON RUBBER, GRADE 60, COLOUR GREEN
- VITON 50 DTD5612A
- 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 GLTS GRADE 60 BLACK
(ALL VITONS® IN THE LIST ABOVE ARE THE TRADE NAME OF DUPONT)