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Raw Material
EP fabric
Dipped EP fabrics:
| Item |
EP80 |
EP100 |
EP125 |
| Warp |
Weft |
Warp |
Weft |
Warp |
Weft |
Break strength
(N/mm) |
≥105 |
≥45 |
≥135 |
≥68 |
≥160 |
≥70 |
Elongation at break
(%) |
≥14.0 |
≤60 |
≥14.0 |
≤45.5 |
≥14.0 |
≤45.5 |
Elongation at
10% load
(%) |
≤1.5 |
|
≤1.5 |
|
≤1.5 |
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Hot shrinkage
(150°C x 30min)
(%) |
≤5.0 |
≤0.5 |
≤5.5 |
≤1.0 |
≤5.5 |
≤1.0 |
Adhesive strength
(N/mm) |
≥7.80 |
≥7.84 |
≥7.84 |
Weight density
(g/m2) |
325±12 |
370±20 |
430±30 |
Thickness
(mm) |
0.53±0.06 |
0.53±0.06 |
0.62±0.06 |
| Item |
EP150 |
EP160 |
EP200 |
| Warp |
Weft |
Warp |
Weft |
Warp |
Weft |
Break strength
(N/mm) |
≥190 |
≥75 |
≥210 |
≥80 |
≥240 |
≥80 |
Elongation at break
(%) |
≥14.0 |
≤45.5 |
≥14.0 |
≤45.5 |
≥14.0 |
≤45.5 |
Elongation at
10% load
(%) |
≤1.5 |
|
≤1.5 |
|
≤1.5 |
|
Hot shrinkage
(150°C x 30min)
(%) |
≤5.5 |
≤1.0 |
≤5.5 |
≤1.0 |
≤5.5 |
≤1.0 |
Adhesive strength
(N/mm) |
≥7.84 |
≥7.84 |
≥7.84 |
Weight density
(g/m2) |
510±30 |
570±40 |
610±40 |
Thickness
(mm) |
0.70±0.06 |
0.75±0.09 |
0.85±0.09 |
| Item |
EP250 |
EP300 |
EP350 |
EP400 |
EP500 |
| Warp |
Weft |
Warp |
Weft |
Warp |
Weft |
Warp |
Weft |
Warp |
Weft |
Break strength
(N/mm) |
≥300 |
≥90 |
≥340 |
≥80 |
≥390 |
≥75 |
≥450 |
≥95 |
≥530 |
≥115 |
Elongation at break
(%) |
≥14.0 |
≤45.5 |
≥14.0 |
≤45.5 |
≥14.0 |
≤45.5 |
≥14.0 |
≤45.5 |
≥14.0 |
≤45.5 |
Elongation at
10% load
(%) |
≤1.5 |
|
≤1.5 |
|
≤1.5 |
|
≤2.0 |
|
≤2.0 |
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Hot shrinkage
(150°C x 30min)
(%) |
≤5.5 |
≤1.0 |
≤6.0 |
≤1.0 |
≤6.0 |
≤1.0 |
≤6.0 |
≤1.0 |
≤6.0 |
≤1.0 |
Adhesive strength
(N/mm) |
≥7.84 |
≥7.84 |
≥7.84 |
≥7.84 |
≥7.84 |
Weight density
(g/m2) |
780±40 |
860±40 |
980±40 |
1130±50 |
1320±50 |
Thickness
(mm) |
1.10±0.10 |
1.15±0.10 |
1.25±0.10 |
1.40±0.12 |
1.60±0.14 |
Heat-resistance Dipped EP-TNG fabrics:
| Item |
EP125-TNG |
EP150-TNG |
EP200-TNG |
EP300-TNG |
EP400-TNG |
| Warp |
Weft |
Warp |
Weft |
Warp |
Weft |
Warp |
Weft |
Warp |
Weft |
Break strength
(N/mm) |
≥160 |
≥70 |
≥185 |
≥75 |
≥240 |
≥80 |
≥330 |
≥90 |
≥430 |
≥90 |
Elongation at break
(%) |
≥14.0 |
≤45.5 |
≥14.0 |
≤45.5 |
≥14.0 |
≤45.5 |
≥14.0 |
≤45.5 |
≥14.0 |
≤45.5 |
Elongation at
10% load
(%) |
≤1.5 |
|
≤1.5 |
|
≤1.5 |
|
≤1.5 |
|
≤1.5 |
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Hot shrinkage
(150°C x 30min)
(%) |
≤2.5 |
≤1.0 |
≤2.0 |
≤1.0 |
≤2.0 |
≤1.0 |
≤2.5 |
≤1.0 |
≤2.5 |
≤1.0 |
Adhesive strength
(N/mm) |
≥7.84 |
≥7.84 |
≥7.84 |
≥7.84 |
≥7.84 |
Weight density
(g/m2) |
430±30 |
520±30 |
620±40 |
850±40 |
1140±40 |
Thickness
(mm) |
0.57±0.06 |
0.70±0.06 |
0.86±0.10 |
1.18±0.10 |
1.58±0.10 |
Types of Rubber
| Common Name |
ASTM Designation
D-1418-79 |
Composition |
General Properties |
General Chemical Resistance |
| Resistant to: |
Attacked by: |
| Neoprene |
CR |
Chloroprene |
Good Weathering Resistance.
Flame retarding.
Moderate resistance to pertroleum-based fluids.
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Moderate chemicals and acids, ozone, oils, fats, greases, many oils, and solvents. |
Strong oxidizing acids, esters, ketones, chlorinated, aromatic and nitro hydrocarbons. |
| EPDM |
EPDM, EPM |
Ethylene-propylene-diene; Ethylene-propylene |
Excellent resistance to heat, ozone and aging.
Very good resistance to abrasion.
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Animal and vegetable oils, ozone, strong and oxidizing chemicals. |
Mineral oils and solvents, aromatic hydrocarbons. |
| Buna-N |
NBR |
Nitrile-butadiene |
Excellent resistance to vegetable, animal and petroleum oils. |
Many hydrocarbons, fats, oils, greases, hydraulic fluids, chemicals. |
Ozone (except PVC blends), ketones, esters, aldehydes, chlorinated and nitro hydrocarbons. |
| SBR |
SBR |
Styrene-butadiene |
Excellent abrasion resistance and good resistance to cutting, gouging and tearing.
Good heat resistance.
Not oil resistant.
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Most moderate chemicals, wet or dry, organic acids, alcohols, ketones, aldehydes. |
Ozone, strong acids, fats, oils, greases, most hydrocarbons. |
| Butyl |
IIR |
Isobutylene-isoprene |
Excellent resistance to heat.
Very good resistance to ozone and aging.
Good resistance to abrasion.
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Animal and vegetable fats, oils, greases, ozone, strong and oxidizing chemicals. |
Petroleum, solvents, coal tar solvents, aromatic hydrocarbons. |
| Natural, Gum Rubber |
NR |
Isoprene, natural |
Excellent physical properties including abrasion and low temperature resistance.
Not oil resistant.
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Most moderate chemicals, wet or dry, organic acids, alcohols, ketones, aldehydes. |
Ozone, strong acids, fats, oils, greases, most hydrocarbons. |
| Isoprene, Polyisoprene |
IR |
Isoprene, synthetic |
Similar to natural rubber. |
Similar to natural rubber. |
Similar to natural rubber. |
| Butadiene rubber |
BR |
Polybutadiene |
A general purpose synthetic rubber.
Generally used in blends with natural or styrene-butadiene rubber.
Excellent abrasion resistance and low temperature flexibility.
High resilience.
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Similar to SBR |
Similar to SBR |
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