Introduction to Low Viscosity Hydroxypropyl Methyl Cellulose HPMC E5 for Coating Applications

하이드록시프로필 메틸셀룰로오스 (HPMC), 중국 이름은 하이드록시프로필 메틸셀룰로오스입니다., 반합성이다, 천연 셀룰로오스를 화학적으로 변형시켜 얻은 비이온성 셀룰로오스 에테르. 이 백색 분말은 물에 용해된 후 투명한 점성 용액을 형성할 수 있습니다.. 발림성이 우수합니다, 수분 보유, 안정성 및 필름 형성 특성. 건축 등 다양한 분야에서 없어서는 안될 다기능 첨가제입니다..

Characteristics and advantages of Low Viscosity Hydroxypropyl Methyl Cellulose HPMC E5 for Coating Applications

우수한 수용성: 찬물에 빠르게 용해되어 투명하고 안정적인 용액을 형성할 수 있습니다..

효율적인 농축 및 수분 보유 능력: 재료의 점도를 높이십시오., 효과적으로 물 증발을 감소, 업무 효율성을 향상시키고.

좋은 안정성: 산에 대한 안정성이 우수합니다., 알칼리, 그리고 소금, 광범위한 pH 값에 적합합니다..

필름 형성 및 보호 효과: 건조 후, 견고하고 투명한 피막을 형성하여 기재를 보호하고 수분 침투 및 증발을 방지합니다..

무독성, 무자극: 생체적합성이 좋아 의학, 식품 분야에 적합합니다..

조정 가능성: 치환도와 분자량을 변화시킴으로써, 다양한 애플리케이션 요구 사항을 충족하도록 성능을 조정할 수 있습니다..

Specifications of Low Viscosity Hydroxypropyl Methyl Cellulose HPMC E5 for Coating Applications

Specifications of Low Viscosity Hydroxypropyl Methyl Cellulose HPMC E5 for Coating Applications

제품개요

HPMC E5 is a low-viscosity grade of hydroxypropyl methyl cellulose. It dissolves easily in cold water and forms clear, 안정적인 솔루션. This makes it ideal for use in film coatings for tablets and capsules. The product meets pharmacopeial standards including USP-NF, Ph. 유로., 그리고 일본.

Key Physical Properties

점도: 4–6 mPa·s (에서 측정됨 2% 해결책, 20℃)
메톡실 함량: 19–24%
하이드록시프로폭실 함량: 4–12%
pH (2% 해결책): 4.0-8.0
수분 함량: 5% 이하
재 함량: 1.5% 이하

Performance in Coating Systems

HPMC E5 gives smooth, uniform films with good adhesion to tablet surfaces. It dries quickly during the coating process, which helps reduce production time. The polymer does not require organic solvents—water alone is enough for dissolution. This supports safer, more environmentally friendly manufacturing. Films made with HPMC E5 are flexible and resist cracking under normal handling conditions. They also allow controlled release of active ingredients when needed.

취급 및 보관

Store HPMC E5 in a cool, 직사광선을 피해 건조한 곳. Keep containers tightly closed to prevent moisture absorption. The material remains stable for up to 36 제대로 보관된 달. Avoid contact with strong oxidizing agents. Use standard industrial hygiene practices during handling.

Regulatory Compliance

This grade complies with current Good Manufacturing Practice (cGMP) 지침. It is suitable for use in pharmaceutical products approved by major regulatory agencies worldwide. Certificates of Analysis and Compliance are available upon request.

Applications of Low Viscosity Hydroxypropyl Methyl Cellulose HPMC E5 for Coating Applications

Applications of Low Viscosity Hydroxypropyl Methyl Cellulose HPMC E5 in Coating Systems

Enhanced Film Formation and Surface Smoothness

Low viscosity HPMC E5 works well in water-based coating systems. It helps form smooth, even films during drying. The polymer dissolves quickly in cold water, which makes mixing easy and fast. This leads to better surface uniformity and fewer defects like streaks or bubbles.

Improved Workability and Application Performance

Coatings with HPMC E5 show good flow and leveling. Painters find these products easier to apply with brushes, 롤러, 또는 분무기. The additive reduces splatter and drag, giving a cleaner finish. It also keeps pigments and fillers evenly suspended, so the mixture stays stable over time.

Strong Adhesion and Durability

HPMC E5 boosts adhesion to common surfaces such as drywall, 목재, 그리고 벽돌. It forms a flexible film that moves slightly with temperature changes. This flexibility helps prevent cracking or peeling under stress. The coating remains intact longer, even in humid or changing conditions.

Water Retention for Better Curing

In cement-based or plaster coatings, HPMC E5 holds water in the mix. This gives cement particles more time to hydrate fully. 결과적으로, the final layer gains better strength and bonds more tightly to the substrate. Reduced water loss also means fewer surface flaws like pinholes or dusting.

호환성 및 안정성

HPMC E5 mixes well with other common ingredients in coatings—such as thickeners, 분산제, 방부제. It does not react badly with most additives. The solution stays clear and consistent, even after long storage. This reliability helps manufacturers keep production smooth and reduce waste.

회사 프로필

우리는 경량 콘크리트 및 고급 엔지니어링 폼 솔루션 분야의 글로벌 리더입니다.. 연구에 대한 헌신으로 전 세계적으로 알려져 있습니다., 혁신, 및 응용 전문 지식, 우리는 2012년 초부터 엔지니어링 폼 솔루션을 제공해 왔습니다..

우리는 고품질의 콘크리트 혼화제 및 발포 콘크리트 관련 제품을 전 세계에 공급할 수 있습니다..

회사에는 전문 기술 부서와 품질 감독 부서가 있습니다., 시설이 잘 갖춰진 실험실, 첨단 테스트 장비와 애프터 서비스 센터를 갖추고 있습니다..

관심이 있으시면, 부담없이 문의해 주세요.

지불

티/티, 웨스턴 유니온, 페이팔, 신용카드 등.

선적

항공으로, 바다로, 급행으로, 고객의 요청에 따라.

5 FAQs of Low Viscosity Hydroxypropyl Methyl Cellulose HPMC E5 for Coating Applications

자주 묻는 질문: Low Viscosity HPMC E5 for Coating Applications

What is HPMC E5?

HPMC E5 is a type of hydroxypropyl methyl cellulose with very low viscosity. 찬물에 쉽게 녹고 투명한 제형을 형성합니다., 원활한 솔루션. This grade is often used in coating applications where light film formation and good flow are needed.

Why choose low viscosity HPMC for coatings?

Low viscosity HPMC spreads evenly on surfaces. It helps the coating mix stay stable and prevents ingredients from separating. The thin consistency also makes spraying or brushing easier without clogging tools.

How does HPMC E5 improve coating performance?

HPMC E5 acts as a binder and thickener. It holds solid particles together and sticks them to the surface. 또한 수분 손실도 느려집니다., giving more time for the coating to level out and dry smoothly. This reduces cracks and improves finish quality.

Is HPMC E5 safe for use in coatings?

예. HPMC E5 is non-toxic and widely approved for use in pharmaceuticals, 음식, 및 건설제품. It does not react with other common coating ingredients. 항상 제품 라벨의 안전 지침을 따르세요..

How should HPMC E5 be mixed into a coating formula?

Add HPMC E5 slowly to cold water while stirring. 다른 재료를 첨가하기 전에 완전히 수분을 공급하십시오. Avoid using hot water—it can cause clumping. Proper mixing ensures even distribution and full performance benefits in the final coating.