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HCR Standard Grade

Type HKSB Product Grade Color Hardness (shore A) Recommended Use
GENERAL PURPOSE
FOR MOLDING GRADE
(UL-94HB)
HK-3831(T) TL 30 - Typical industrial parts
- Electrical parts, keypad, O/A roll
- Closed container products, packing
- Automotive parts
HK-3841(T) TL 40
HK-3851(T) TL 50
HK-3861(T) TL 60
HK-3871(T) TL 70
HK-3875(T) TL 75
HK-3881(T) TL 80
HK-3861(G) NG 60
HK-3871(G) NG 70
HK-3881(G) NG 80
HK-3851 BK, G, Y 40~50 - Packaging for electric mixer
GENERAL PURPOSE
FOR EXTRUSION GRADE
HK-830u TP 31 - Gasket, Packing, O-Ring, Wire
- FOOD CONTACT Packing
- Electrical (Wire & Cables)
HK-850u TP 51
HK-860u TP 60
HK-870u TP 70
HK-875u TP 75
GENERAL PURPOSE
GRADE FOR AUTOMOTIVE
HK-5006U TL IVORY 52 - Typical industrial parts
- O-ring and gasket
- Automotive parts
NO POST CURE GRADE HK-NPC-140 TP 42 - All industrial rubber products
- Industrial roll
- SEAL packing and gasket
HK-NPC-180 BW 80
ADDITION CURE GRADE HK-AD-3850 TP 50 - FOOD CONTACT products (hoses, tubes, packing)
- Health, medical equipment products (SEAL, tubes)
HK-AD-3860 - 60 - For cell phone CASE

HCR Special Grade

Type HKSB Product Grade Color Hardness (shore A) Recommended Use
LOW HARDNESS GRADE HK-LH-5 TL 8 - Swim cap, goggles band
- Infant products
- Highly elastic
HK-LH-8 TL 10
HK-LH-15u TL 15
HK-LH-20u TL 20
SUPER HIGH HARDNESS
GRADE
HK-3891u(T) LY 90 - KEYTOP, Keypad
- O-ring, gasket, SEAL
- FOOD CONTACT products (cooking products)
HK-3890u(T) TP 90
HIGH TEAR STRENGTH
GRADE
HK-3800/40u TP 40 - High Performance Products
- Medical products (tube, hose)
- FOOD CONTACT PRODUCT
- SHEET, GASKET
- Aircraft parts
- Automotive parts
HK-3800/50u TP 51
HK-3800/60u TP 61
HK-3800/70u TP 71
SUPER HIGH TEAR STRENGTH
GRADE
HK-NS-55U TL 57 - Excellent mechanical strength
- Excellent tensile strength
- High Elasticity Factor
- Ease of blending in the pigment
- extrusion and moulding
- Sheet and calendaring
- Automotive parts
HK-NS-75U TL 74
LOW COMPRESSION SET
GRADE
LCS40 TP 40 - O/A Roll
- Packing
- Gasket
- SHEET
- O-ring
- SEAL
STEAM RESISTANCE GRADE HK-3700/50U TP 50 - Pressure rice cooker packing
- Electric kettle, packing, velvet, O-ring
HK-3700/60U TP 60
HK-3700/70U TP 70
STEAM RESISTANCE GRADE FOR
GENERAL PURPOSE
HR-3741U(T) TL 42 - Pressure rice cooker packing
- General press molding and injection process packing
HR-3751U(T) TL 50
HR-3771U(T) TL 72
METAL CASTING GRADE HK-50 TL 50 - ALLOY CASTING
- ART ACCESSORY CASTING
- RING CASTING
- OTHER CASTING
HK-60 TL 60
HK-70 TL 70
ELECTRIC CONDUCTIVE
GRADE
HK-3826U BK 60 - Challenging Parts
- Keypad
- LCD ZEBRA
- EMI gasket
- Cable coupler
- Heater
HK-3827U BK 70
HK-3838U BK 80
THERMAL CONDUCTIVE
GRADE
HK-3770/60U DG 60 - thermal conductivity pad, SHEET, packing
- CPU, TRANSFORMER, TRANSISTOR PAD
- all kinds of thermoelectric components
HK-3770/70U DG 70
HK-3870/70U DG 80
THERMAL CONDUCTIVE GRADE FOR
EXTRUSION PROCESS
HK-37705U NW 52 - General extrusion and press molding process
- Thermal Conductivity Applications
HK-37706U NW 59
FLAME RETARDANT GRADE HK-5020U W/BK 55 - Non-flammable Rubber Parts
- Construction materials
- PDP, TFT-LCD lamp holder
- Special Wire Products
HK-7020U W/BK 70
WIRE & CABLE GRADE HK-3660U W/BK 63 - Consumer Electronics Wire
- Illuminated dotted line
- Motor Intrusion Line
- Heater incoming line
- Automotive parts wire
HK-3670U W/BK 70
HK-70HT - 65 - EV car power wire
HK-3500/70 - 65
HK-38WP-65 - 65 - Car wiper blade
HIGH VOLTAGE INSULATOR
GRADE
HKI-65U G 65 - Suspension Insulator
- line pillar Insulator
- Arester
- Cable interruptions and connections
HKI-70U G 70
OIL BLEED GRADE HKS-30U NW 30 - Automatic Parts Products
- (wire connections, grrommet, single gasket wires, etc.)
- O-rings for industrial use, oil SEAL
HKS-40U NW 40
HKS-50U NW 50
HKS-60U NW 60
HIGH TRANSPARENT
GRADE
HK-2130U TP 30 - Infant nipples
- Medical Device Tube
- FOOD CONTACT PRODUCT
- High-intensity product
HK-2140U TP 40
HK-2150U TP 50
HK-2160U TP 60
HK-2170U TP 70
HIGH HEAT RESISTANCE
GRADE
HK-38-520U LY 52 - Electric dry oven gasket
- For automotive EGR cooler hoses
- Electric microwave gasket
- Packing the pressuriz
HK-38-620U LY 60
HK-720 BK 72
HK-720U LY 72
HK-820U BW 80
CLOSED CELL SPONGE
GRADE
HK/SPG-30 W 0 - Dry oven gasket, SEAL
- Window frame gasket for construction, SEAL
- Building motion-absorbing gasket
- Seal container gasket and packing for food, packing
- High temperature liquid pipe line insulating plate
- O/A roll
HK/SPG-50 W 0
HK/SPG-60 W 0
HK/SPG-70 W 0
HIGH PERFORMANCE EXTRUSION
MOLDING GRADE
HKB-300U TP 35 - auto parts
- Electrical parts
- FOOD CONTACT PRODUCT
- Tube, hose
- Packing
- SHEET
- All compression, extrusion molding products
HKB-500U TP 53
HKB-700U TP 70
HK-521U G - - Car DPF HOSE
HK-531U B -
HK-551 BK - - Car Heater Hose
SPACER PANEL GRADE HK-PPR TL 42 - General industrial parts
- Electrical parts, keypad, O/A roll
- FOOD CONTACT products, packing
- Automatic Parts
HIGH VOLTAGE CABLE
GRADE
HK-700UHV TP 70 - High voltage FBT cable used in electric microwave ovens
- High voltage C/TV cable/wire
- High Voltage Aircraft Wire
- High voltage igniters used in automotive parts
- High voltage parts, BUSHING, angler tube
OIL RESISTANT GRADE HK-387/60U NG 60 - O-ring, auto parts, SEAL
HK-387/70U NG 71
HR-387/80U NG 81
HK-387/50 - 505 - Spoiler for cosmetic containers
HIGH TRANSPARENT
HIGH TEAR STRENGTH GRADE
HK-3130U TP 30 - nipples for infants (HR-1140)
- GOGGLES (HR-1500,1160,1170)
- FOOD CONTACT PRODUCT
- Medical supplies
HK-3140U TP 41
HK-3150U TP 52
HK-3160U TP 60
HK-3170U TP 70
LOW HARDNESS &
HIGH ELASTIC GRADE
HK-3821U(T) TL 20 - O/A roll
- Vehicle SEALING
- ZEBRA CONNECTORS
- Packing & Caps
HIGH STRENGTH GRADE HK-38/431 TP 40 - Machine parts
- FOOD CONTACT PRODUCT
- Medical supplies (external only)
- Aircraft parts
HK-38/531 TP 50
HK-38/731 TP 70
HIGH TEMPERATURE
UL WIRE GRADE
HK-3860HT B 60 - Wire, cable
- Tube, PROFILE
- Gasket, packing
HK-3865HT B 65
HK-3870HT B 70
HIGH VOLTAGE RESISTANT
GRADE
HRV-3/40 TP 40 - Cable connections
- Silicone rubber agar
- High voltage Cable Insulator
HRV-3/50 TP 50
HRV-3/60 TP 60
HRV-3/70 TP 70
CERAMIFIABLE HCR SILICONE
FOR SAFETY CABLES GRADE
HK-3623U(W)_HC2 W 60 - Non-combustible cables and wires
HK-3623U(W)_DCP W 64
HK-3723U(W)_HC2 W 72
HK-3723U(W)_DCP W 77
AUTOMOTIVE MUFFLER
HANGER GRADE
HK-38/9300MH TP 50 - High Performance Products
- Medical products
- FOOD CONTACT PRODUCT
- SHEET, GASKET
- Aerial parts
- Muffler hanger
KEYPAD APPLICATION
GRADE
HK-3960U(T) TL 60 - Keyboard for musical instruments
- Cellphone keypad
- O-ring, gasket, partition, SHEET
HK-3970U(T) TL 70
SELF- ADHESIVE GRADE HKT-600U TP 50±5 - Insulation tape
ROLL COVERING GRADE HK-385/60 B 60 - Industrial ROLL COVER
- Industrial packing, gasket, BUSHING
- O-Ring, SEAL
HK-385/70 B 70
HK-385/80 B 80
ROLL COVERING GRADE
(STEAM CURING METHOD)
HK-3470 B 70 - Industrial ROLLS
- LAMINATING ROLLS
- STAMPING ROLLS
- Industrial rubber products
HK-3480 B 82
HK-3490 B 90
SILICONE RUBBER BASE
FOR FATIGUE RESISTANCE APPLICATIONS
HK-LF1050U TL 50 - auto parts
- Key pad & Key Top
HK-LF1070U TL 70
FLUORO SILICONE RUBBER BASE HK-38S40U IV 40 - extrusion/molding
- High mechanical products
- Automotive parts
- O-ring, gasket, hose
HK-38S50U IV 50
HK-38S60U IV 64
HK-38S70U IV 73
Greeting Contact Directions Admin
  • Company name HKSB Co., Ltd.CEO Cho in sukTEL 041-555-7712FAX 041-565-7712E-MAIL hksb7712@naver.com
  • Address 92, Buldang 22-daero, Seobuk-gu, Cheonan-si, Chungcheongnam-do, Republic of KoreaBusiness Registration No. 646-86-01643
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