Sponge buffers

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MISUMI

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Back to the Category Discs/Sleeves (Rubber, Caoutchouc, Foam, Felt)

Technical Drawing - Polyurethane Rubber Washers

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Available dimensions and tolerances can be found under the tab More information.

Basic Properties (e.g., material, hardness, coating, tolerance) - Polyurethane Rubber Washers

Type	Through Hole Type	No Hole Type	Material
L Selectable	ASGC	CXGC	Chloroprene Rubber Sponge
	ASGP	CXGP	EPDM Sponge
	ASGA	CXGA	Silicon Rubber Sponge
L Configurable	FASGC	FCXGC	Chloroprene Rubber Sponge
	FASGP	FCXGP	EPDM Sponge
	FASGA	FCXGA	Silicon Rubber Sponge

Further specifications can be found under the tab More information.

Composition of a Product Code - Polyurethane Rubber Washers

Part Number	-	L
CXGC10 FASGP30	- -	40 185

General Information - Polyurethane Rubber Washers

Rubber washer - rubber sleeve with counterbore - rubber sleeve - rounded rubber damper - foam washer - foam sleeve

Selection details of rubber discs/rubber sleeves

- Material: heat-resistant antistatic, abrasion-resistant, highly abrasion-resistant, low-impact polyurethane rubber (PU/PUR), Vulkollan, ceramic polyurethane rubber, nitrile rubber sponge (NBR), chloroprene rubber (CR), ethylene cautchouc (EPDM), silicone rubber (SI), fluoro-cautchouk (FPM), hard rubber, butyl rubber (IIR), natural rubber, nitrile rubber foam, chloroprene rubber foam, polyethylene foam (EPDM foam), EPT sealing material, Silicone rubber foam, fluoro-rubber foam, special polyurethane foam (SOFRAS), polyester felt, polyester felt

- Hardness: Asker C5 to C35, Asker F75 to F85, Shore A15 to A95

- Versions: disc with bore holes, sleeves with holes, sleeves without holes, sleeves with counterbores, sleeves with external threads, sleeves with collar, dampers with round tip, dampers with conical tip

- Inner diameter: up to 80 mm

- Outer diameter: 6 to 100 mm

- Length: 1 to 10 mm (discs), 10 to 500 mm (sleeves)

Description/Basics

Rubber discs and rubber sleeves, also called rubber buffers, are generally used for vibration damping and impact damping. Rubber sleeves are often used as stopper buffers in industry. Rubber discs are occasionally also used as seals.
Discs and sleeves made of natural rubber are offered in different materials and hardnesses.

While rubber discs are often used for sealing, rubber sleeves are increasingly used as rubber buffers, stopper buffers, or elastomer dampers. MISUMI already offers such a rubber sleeve as a rubber buffer with external thread or counterbore for fastening.
The rubber buffer is also available with a vulcanized metal collar, which not only allows for a firm assembly, but also sits in the anti-backlash rubber sleeve. These adhesives are also available separately. In addition to the material of the rubber buffer, the shape of the stopper buffer is also responsible for the damping characteristic. conical or rounded rubber buffers can also develop a progressive damping curve that generates increasing damping.

Depending on the application and environmental influences, MISUMI offers rubber discs and rubber sleeves in various basic materials with the appropriate resistance. An overview of the intended uses of the respective natural rubber can be found under Natural Rubber Properties as PDF .
The rubber buffers made of polyurethane rubber are also available in an antistatic version. The specific resistance of antistatic rubber discs and rubber sleeves prevents static charging. This can prevent damage to electronic components.
For high temperature applications, MISUMI offers heat-resistant polyurethane rubber, which can withstand temperatures of approx. +120°C (see Specifications for further information).
Vulkollan, on the other hand, is a very abrasion-resistant polyurethane, the abrasion resistance of which is six times higher compared to conventional polyurethane.
Ceramic polyurethane washers and sleeves contain ceramic particles. Despite a low Shore hardness, they can be machined to give them a smooth surface.
MISUMI also offers foam discs and foam sleeves. In addition to damping, these can also have sealing properties. This is achieved by the foam discs due to the closed or semi-closed pores (EPT sealer) inside the material. For semi-closed pores, the pores are sealed under load. Therefore, the type of pores must always be observed for foams in order to select the appropriate foam depending on the application. You can get help for your selection by following this link.
Further properties of natural rubbers and foams can be found in the Properties PDF.
In addition to the aforementioned basic materials, the MISUMI online shop also offers felt discs and felt sleeves. Felt has the properties of capillary action and can absorb and release liquids such as oil. In addition, felt is gentle on sensitive surfaces and is often used for polishing surfaces.

A antivibration materials can also be used for two-sided mounting to dampen vibration.
MISUMI also offers vibration damping and impact damping materials in the form of sheets.

Application Examples - Polyurethane Rubber Washers

Application example - rubber roller with rubber sleeve - rubber roller with roller bearing - roller bearing with axle - running wire

Application example: rubber roller
(1) Rubber sleeve, (2) Roller bearing, (3) Axles / Rotary Shafts, (4) Catch ropes

Application example - cylinder stopper buffer - cylinder end stop - rubber buffer - rubber buffer for cylinder -

Application example: cylinder stopper buffer
(1) Rubber washer, (2) Floating joints, (3) Pneumatic cylinder

Industrial Applications

3D printer industry

Automotive industry

Pharmaceutical industry

Packaging industry

Part Number:

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Part Number
ASGC15-10
ASGC15-15
ASGC15-20
ASGC15-25
ASGC15-30
ASGC15-35
ASGC15-40
ASGC15-45
ASGC15-50
ASGC15-100
ASGC15-200
ASGC20-10
ASGC20-15
ASGC20-20
ASGC20-25
ASGC20-30
ASGC20-35
ASGC20-40
ASGC20-45
ASGC20-50
ASGC20-100
ASGC20-200
ASGC25-10
ASGC25-15
ASGC25-20
ASGC25-25
ASGC25-30
ASGC25-35
ASGC25-40
ASGC25-45
ASGC25-50
ASGC25-100
ASGC25-200
ASGC30-10
ASGC30-15
ASGC30-20
ASGC30-25
ASGC30-30
ASGC30-35
ASGC30-40
ASGC30-45
ASGC30-50
ASGC30-100
ASGC30-200
ASGC30-500
ASGC40-50
ASGC40-100
ASGC40-200
ASGC40-500
ASGC50-100
ASGC50-200
ASGC50-500
CXGC8-10
CXGC8-15
CXGC8-20
CXGC8-25
CXGC8-30
CXGC8-35
CXGC8-40
CXGC8-45

Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	RoHS	Detailed Material	Type	O.D. D (Ø)	Length L (mm)
2.78 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	15	10
2.78 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	15	15
3.04 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	15	20
3.04 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	15	25
3.29 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	15	30
3.29 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	15	35
3.29 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	15	40
3.29 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	15	45
3.55 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	15	50
4.30 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	15	100
6.58 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	15	200
3.29 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	20	10
3.55 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	20	15
3.55 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	20	20
3.55 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	20	25
3.79 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	20	30
3.79 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	20	35
4.05 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	20	40
4.05 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	20	45
4.05 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	20	50
5.06 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	20	100
8.10 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	20	200
3.55 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	25	10
3.55 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	25	15
3.79 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	25	20
3.79 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	25	25
4.05 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	25	30
4.05 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	25	35
4.30 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	25	40
4.30 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	25	45
4.30 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	25	50
5.57 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	25	100
8.61 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	25	200
3.79 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	30	10
3.79 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	30	15
4.05 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	30	20
4.30 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	30	25
4.56 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	30	30
4.56 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	30	35
4.81 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	30	40
5.06 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	30	45
5.30 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	30	50
6.83 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	30	100
10.38 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	30	200
21.75 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	30	500
7.60 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	40	50
9.12 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	40	100
13.66 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	40	200
24.53 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	40	500
12.40 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	50	100
16.19 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	50	200
30.49 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	Through Hole Type	50	500
2.78 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	No Hole Type	8	10
2.78 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	No Hole Type	8	15
3.04 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	No Hole Type	8	20
3.04 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	No Hole Type	8	25
3.04 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	No Hole Type	8	30
3.04 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	No Hole Type	8	35
3.29 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	No Hole Type	8	40
3.29 €	1	Available	8 Days	10	Chloroprene Rubber Sponge	No Hole Type	8	45

Back to the Category Disks/Sleeves (Rubber, Caoutchouc, Foam, Felt)

Technical Drawing - Polyurethane Rubber Washers

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Specification Tables - Polyurethane Rubber Washers

■L Selectable

Part Number		L Selection												V	Unit Price
Type	D	L Selection												V	L10	L15	L20	L25	L30	L35	L40	L45	L50	L100	L200	L500
Through Hole Type ASGC (Chloroprene) ASGP (EPDM) No Hole Type CXGC (Chloroprene) CXGP (EPDM)	8	10	15	20	25	30	35	40	45	50	100	200		-												-
	10	10	15	20	25	30	35	40	45	50	100	200		-
	15	10	15	20	25	30	35	40	45	50	100	200		7
	20	10	15	20	25	30	35	40	45	50	100	200		8.5
	25	10	15	20	25	30	35	40	45	50	100	200		10
	30	10	15	20	25	30	35	40	45	50	100	200	500	13
	40									50	100	200	500	13	-	-	-	-	-	-	-	-
	50										100	200	500	16	-	-	-	-	-	-	-	-	-
Through Hole Type ASGA (Silicon) No Hole Type CXGA (Silicon)	8	10	15	20	25	30	35	40	45	50	100	200		-												-
	10	10	15	20	25	30	35	40	45	50	100	200		-
	15	10	15	20	25	30	35	40	45	50	100	200		7
	20	10	15	20	25	30	35	40	45	50	100	200		8.5
	25	10	15	20	25	30	35	40	45	50	100	200		10
	30	10	15	20	25	30	35	40	45	50	100	200	500	13
	40									50	100	200	500	13	-	-	-	-	-	-	-	-
D= 8 or 10 is applicable to No Hole Type only.

■L Configurable

Part Number		L 1mm Increment	V	Unit Price
Type	D	L 1mm Increment	V	L10~20	L21~40	L41~60	L61~80	L81~100	L101~150	L151~200
Through Hole Type FASGC (Chloroprene) FASGP (EPDM) No Hole Type FCXGC (Chloroprene) FCXGP (EPDM)	8	10~200	-
	10		-
	15		7
	20		8.5
	25		10
	30		13
	40		13
	50		16
Through Hole Type FASGA (Silicon) No Hole Type FCXGA (Silicon)	8	10~200	-
	10		-
	15		7
	20		8.5
	25		10
	30		13
	40		13
D= 8 or 10 is applicable to No Hole Type only.

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Basic information

Shape	Bumper (Thickness 10mm~)	Material	Sponge

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Basic Attributes

Type
- No Hole Type
- Through Hole Type
Clear
O.D. D(Ø)
8

10

15

20

25

30

40

50
Clear
Length L(mm)
10

15

20

25

30

35

40

45

50

100

200

500
[10-500/1mm Unit(s)]
Clear
Type
- ASGA
- ASGC
- ASGP
- CXGA
- CXGC
- CXGP
- FASGA
- FASGC
- FASGP
- FCXGA
- FCXGC
- FCXGP
Clear
Detailed Material
- Chloroprene Rubber Sponge
- Ethylene (EPDM) Sponge
  - EPDM Synthetic Rubber Sponge
- Silicon Rubber Sponge
Clear
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- 2D
- 3D
Clear

Optional Attributes

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Frequently Asked Questions (FAQ)

Question:
What is Vulkollan?: Answer:
Vulkollan is a highly abrasion-resistant polyurethane rubber that has high wear resistance. It is one of the high-performance rubbers that has little pressure deformation and can withstand high impact forces. In addition, Vulkollan has a high tear strength. However, over time Vulkollan may change its colour, but without losing its mechanical properties.
Question:
Which rubber is resistant?: Answer:
Vulkollan is an abrasion-resistant material. It has an approx. six-fold higher abrasion resistance than conventional polyurethane materials. Vulkollan is particularly suitable for applications where high abrasion is expected.
Question:
Which rubber washer is oil-resistant?: Answer:
A rubber disc made of nitrile rubber (NBR) is highly resistant to various oils. This material is often used as a seal due to its good heat resistance and abrasion resistance.
Question:
Can a rubber sleeve be glued?: Answer:
A rubber sleeve or rubber disc can be stuck in or glued in. However, it must be ensured that the correct adhesive is selected in relation to the material of the elastomer. If this is not taken into account, the adhesive does not have the desired effect or even attack and degrade the elastomer. In addition, the adhesive should support the respective property of the material, e.g., antistatic or temperature resistance.