Chengdu Guibao Science & Technology Co., Ltd.,

998이지 구조 실리콘 밀봉제 우수한 내후 특성을 내후형으로 하기

제품 상세 정보:
원래 장소: 중국
브랜드 이름: GUIBAO
인증: ISO, SIRIM
모델 번호: 998
결제 및 배송 조건:
최소 주문 수량: 2000 PC
가격: Negotiable
포장 세부 사항: 카트리지 (그물 300ml), 판지에 24 조각 및 소시지 (그물 590ml), 판지에 20 조각.
배달 시간: 4 작업 일
지불 조건: 전신환
공급 능력: 20000 pcs/4 작업 일
  • 상세 정보
  • 제품 설명

상세 정보

용법: 구조 색: 하얗고 검고 회색이고 명백합니다
판매 수명: 12개월 출현: 거품 입자의 획일한 풀 없는 매끄러운 풀
품질: 높은 것 특징: 우수한 비바람에 견디는 봉합
이름: 실리콘 비바람에 견디는 실란트
하이 라이트:

998 구조 실리콘 밀봉제

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구조 실리콘 밀봉제를 내후형으로 하기

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998 구조 실리콘 접착제

제품 설명

Weatherproofing 998 Construction Silicone Sealant Excellent weatherability​

 

One part, neutral cure silicone sealant with excellent weatherability, ideally suited for movement joints seal.

 

 

TYPICAL PROPERTIES

 

These values are not intended for preparing specifications.

Test Method Property Unit Standard Result
GB/T 13477 (ISO 7390) Slump mm

≤3

≤3

0

0

GB/T 13477 (ISO 8394) Extrusion rate ml/min ≥80

856

192

GB/T 13477(ASTM D 2377) Tack free time h ≤3 1.1
GB/T 13477 (ISO 7389) Extension recovery % ≥80 90
GB 16776 (ISO 10563) Weight loss % ≤10 5.6
GB/T 13477 (ISO 8339) Modulus at 23℃

MPa

 

>0.4 0.84
GB/T 13477 (ISO 11600) Movement capability % ±35 ±35
GB/T 13477 Adhesion at fixed stretch   No failure No failure
GB/T 13477 Adhesion after heat contract and cold extension   No failure No failure
GB/T 13477 Adhesion after UV-water exposure   No failure No failure

*GB: Chinese National Standard

ASTM: American Society for Testing and Materials

ISO: International Standardization Organization

 

FEATURES

 

Excellent weatherability, virtually unaffected by sunlight, rain, snow and ozone.

Neutral cure – suitable for use on metals, coated glass, aluminum panels, terracotta panels, concrete materials, galvanized steel and many other substrates.

Extension/compression movement capability of up to ±35 percent of the original joint width.

Excellent resistance to temperature extremes, stable and flexible over the temperature range from –50 ℃ to +150 ℃.

Excellent unprimed adhesion to a wide variety of building materials.

Easy of application-ready to use as supplied.

Good compatibility with other neutral silicone sealants.

 

BASIC USES

 

GB 998 Silicone Weatherproofing Sealant is designed for:

General weather sealing and glazing in glass curtain walls, aluminum curtain walls and terracotta curtain walls.

Sealing the joints of concretes, plastics, metals and etc.

 

COLOURS

 

GB 998 is available in black, gray, white and other customized colours.

 

SPECIFICATIONS

 

GB 998 is designed to meet or even exceed the requirements of:

Chinese specification GB/T 22083-2008 35HM.

Complies with ASTM C 920.

 

PACKAGING

 

GB 998 is available in disposable cartridges (net 300ml) ,24 pieces to a carton and sausages (net 590ml),20 pieces to a carton.

 

CURE TIME

 

As exposed to air, GB 998 begins to cure inward from surface. Its tack free time is about 70 minutes, the full and optimal adhesion forms in about 21 days.

 

SHELF LIFE

It has a shelf life of 12 months from the date of manufacture.

 

LIMITATIONS

 

GB 998 should not be applied:

As structural sealant.

To the materials that bleed oils , plasticizers or solvents, such as impregnated wood, oil-based caulks.

In totally confined spaces as sealant requires atmospheric moisture for cure.

To frost laden or damp surfaces.

For continuous water immersion.

When substrate surface temperature below 4℃ or over 50℃.

To copper, zinc or lead coated surfaces.

 

HOW TO USE

 

Surface Preparation

Clean all joints removing all foreign matter and contaminants such as oil, grease, dust, water, frost, old sealants, surface dirt, or glazing compounds and protective coatings.

 

Application Method

Install back-up materials or joint fillers, setting blocks, spacer shims, and tapes. Mask areas adjacent to joints to ensure neat sealant lines. Primer is generally not required for non-porous surfaces, but may be necessary for optimal seal performance of certain porous surfaces. So adhesion test is always recommended.

 

Apply GB 998 in a continuous operation using dispensing guns. Before a skin forms, tool the sealant with light pressure to spread the sealant against the backing materials and joint surfaces. Remove masking tape as soon as the bead is tooled.

 

TECHNICAL SERVICES

 

Complete technical information and literature, adhesion testing and compatibility testing are available from Guibao.

 

 

 

 

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